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- Current
- Review
- Answered
- Correct
- Incorrect
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Question 1 of 534
1. Question
Which of the following conditions is addressed by Rule 12-302? Select all that apply (2/5)
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Question 2 of 534
2. Question
For fixed equipment such as air conditioners, branch circuits in dwelling units may have a voltage to ground exceeding ____.
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Question 3 of 534
3. Question
When dealing with ____, reference note 7 refers to the usage of decorative lighting or an electric clock.
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Question 4 of 534
4. Question
A device that uses a voltage decrease or loss to interrupt power to the main circuit and then resets when the voltage returns to normal is known as ____.
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Question 5 of 534
5. Question
For protection on NMD cable in concealed installations, a cylindrical bushing sized for the hole through the material must extend a least of ____ beyond both sides of the member.
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Question 6 of 534
6. Question
For calculating the ampacity of a(n) ____ conductor that is run in free air, CEC Table 1 would be utilized.
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Question 7 of 534
7. Question
All electrical work and electrical equipment, including self-propelled marine vessels that are stationary for more than five months, are covered by the ____.
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Question 8 of 534
8. Question
For permanent outdoor lighting providing lamps in parking lots and used vehicle lots, the minimum height of conductors above grade is ____.
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Question 9 of 534
9. Question
For conductors without a ____, the minimum suggested low temperature handling and installation temperature is -10 °C.
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Question 10 of 534
10. Question
The ampacity of three ____ insulated conductors routed in a cable or raceway through a room with a temperature of 52°C is determined using Tables 4 and 5A.
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Question 11 of 534
11. Question
A ____ is a document from the inspection department that authorizes power to be supplied to a building and is sent to the supply authority.
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Question 12 of 534
12. Question
A luminaire weighing greater than ____ or exceeding 400 mm in any dimension must not be supported by the lampholder’s screwshell.
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Question 13 of 534
13. Question
A single dwelling with no basement and a floor area of ____ requires a minimum service ampacity of 100 A.
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Question 14 of 534
14. Question
At an outlet, the minimum length of free conductors to be left for splicing or connection is ____ cm.
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Question 15 of 534
15. Question
Table 2 shows the allowable ampacities for ____ copper conductors at a ambient temperature of 30 °C.
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Question 16 of 534
16. Question
When the term AWG is used alone in the CEC with no reference of wire type, it means the material is ____.
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Question 17 of 534
17. Question
When equipment wire type conductors of size No. 16 AWG are used in a ____ circuit, 12-122 rule must be followed.
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Question 18 of 534
18. Question
When dealing with ____, reference note 15 states that it is suited for indoor Christmas tree cord.
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Question 19 of 534
19. Question
Table 23 of the CEC lists the maximum number of ____ wires that can be accommodated within a 4″ square deep box.
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Question 20 of 534
20. Question
For ____ conductors in a raceway (of Table 2 or 4) the percentage of current-carrying capacity is 0.6.
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Question 21 of 534
21. Question
The largest size fuse that can be used to protect a ____ circuit with #18 AWG conductors that extend outside the equipment enclosure is 5A.
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Question 22 of 534
22. Question
Table 4 of the CEC provides information on the ____ of aluminum conductors.
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Question 23 of 534
23. Question
For an EVJT electric vehicle supply cable with AWG size ____, the maximum ampacity of three current carrying conductors is 80.
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Question 24 of 534
24. Question
If the power is turned off when disconnecting or fixing electrical equipment, ____ is impossible.
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Question 25 of 534
25. Question
____ that supply candelabra-base light holders, other than Christmas tree or other decorative types, must not be smaller than 18 AWG.
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Question 26 of 534
26. Question
Additional information regarding the rules can be found in the ____ Code’s Appendix section.
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Question 27 of 534
27. Question
When armoured cable is used for circuits in ____, it must be embedded to a depth of 50 mm.
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Question 28 of 534
28. Question
Except where conductors smaller than 14 AWG are authorized, all other conductors installed in ____ circuits must meet the requirements as outlined in rule 12-102.
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Question 29 of 534
29. Question
In reference to ____ resulting from various house service branch circuit loads, 120 volts should be used to complete the calculations.
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Question 30 of 534
30. Question
Which of the following is true about dwelling units according to CEC? Select all that apply (3/5)
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Question 31 of 534
31. Question
The disconnect for the furnace must be installed close to the furnace but between the entrance and the furnace when a ____ is required for a house furnace due to the branch circuit breakers inconvenient location.
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Question 32 of 534
32. Question
____ or ____ receptacles installed in childcare centers must be tamper resistant.
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Question 33 of 534
33. Question
When the voltage between conductors exceeds 300 volts, ____ should not be installed.
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Question 34 of 534
34. Question
The architectural designs includes ____ that provides specific information on the room finish materials.
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Question 35 of 534
35. Question
To calculate the ampacity of two ____ conductors that are run in a raceway, Table Two of CEC would be referenced.
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Question 36 of 534
36. Question
Which of the following statements are incorrect with regards to CEC definitions? Select all that apply (3/5)
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Question 37 of 534
37. Question
In a set of construction drawings for a commercial building, the drawing disciplines should be organised in the following order:
#1 – Mechanical
#2 – Electrical
#3 – Architectural
#4 – Structural
#5 – Landscape
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Question 38 of 534
38. Question
In a set of construction drawings for a commercial building, the ____ should be organised in the following order: Architectural, Structural, Mechanical, Electrical, Landscape.
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Question 39 of 534
39. Question
To calculate the ____ of an aluminum conductor with a single armoured cable run in free air, CEC Table 3 would be used.
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Question 40 of 534
40. Question
In the CEC, ____ is referred to a person who has knowledge of the components construction and dangers it poses due to its design.
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Question 41 of 534
41. Question
According to table ____, if cables installed near combustible material exceed 90 °C they could cause a fire hazard.
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Question 42 of 534
42. Question
A receptacle with only one female contact group, is referred to as a ____.
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Question 43 of 534
43. Question
When calculating conductor ____, the insulated conductors that have no parts exiting the box are not included in the calculation.
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Question 44 of 534
44. Question
In context to Section 12 of the CEC, the provisions of this section apply to some installations that are ____.
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Question 45 of 534
45. Question
According to the CEC, the term “exposed” refers to ____ that can be accidentally touched or approached too close to a safe distance.
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Question 46 of 534
46. Question
In wet locations the following armoured cables can be installed. Select all that apply (3/5)
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Question 47 of 534
47. Question
With no live parts exposed to unauthorized individuals, equipment on the load side of ____ current limiting devices can operate at peak voltages of not more than 42.4 V.
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Question 48 of 534
48. Question
Table 22 provides the conductors space in boxes for determining ____.
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Question 49 of 534
49. Question
With regards to CEC definitions, the term ____ refers to a substantially long load that is carried for an extended period of time.
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Question 50 of 534
50. Question
The ampacity of 25 ____ #3 AWG insulated conductors run in a cable or raceway through a 30°C room is determined using tables 2 and 5C.
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Question 51 of 534
51. Question
For storage battery rooms, the maximum ambient temperature is ____ degrees Fahrenheit.
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Question 52 of 534
52. Question
A cable tray is a raceway made of troughing construction that allows ____ to be quickly disconnected or installed.
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Question 53 of 534
53. Question
In context to CEC definitions, ____ is normally limited to the installation for which it was granted.
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Question 54 of 534
54. Question
Measured along the ____, 900 mm is the maximum installation distance between each individual counter receptacle.
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Question 55 of 534
55. Question
The ampacity of 25 ____ #8 AWG insulated conductors run in a cable or raceway through a 30°C room is determined using tables 4 and 5C.
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Question 56 of 534
56. Question
The ampacity of 25 Aluminum #8 AWG insulated conductors run in a cable or raceway through a 30°C room is determined using tables 4 and ____.
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Question 57 of 534
57. Question
To bond lighting fixtures to ground, the armour of ____ is not an acceptable method.
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Question 58 of 534
58. Question
____ uses connectors that can be loosened or tightened with a tool to connect to a power source.
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Question 59 of 534
59. Question
In a single family dwelling, the ____ must be connected at only one point, the consumer service.
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Question 60 of 534
60. Question
The inspection department requires ____ and specifications for large light and power installations.
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Question 61 of 534
61. Question
The use of a ____ is allowed in combustible construction.
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Question 62 of 534
62. Question
Voltages between 25001 V and 46000 V necessitate a ____ working space with safe footing.
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Question 63 of 534
63. Question
A set of conductors run by a ____ from its mains to a consumer’s service is known as a supply service.
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Question 64 of 534
64. Question
A ____ is defined as one or more rooms used as a housekeeping unit including cooking, eating, living, and sleeping facilities for one or more people.
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Question 65 of 534
65. Question
In context to CEC definitions, a place like a car wash should be considered as a ____.
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Question 66 of 534
66. Question
A solid 600 Volt jacketed No. 12 R90 EP will have an area of ____.
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Question 67 of 534
67. Question
The circuit must be turned disconnected and de-energized, when performing maintenance on equipment where ____ exist.
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Question 68 of 534
68. Question
____ refers to conduit that can be bent easily without the use of tools.
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Question 69 of 534
69. Question
To meet code requirements a distance of at least 900 mm is required for appropriate ____ to be installed between bare live parts and non-electrical equipment.
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Question 70 of 534
70. Question
With regards to CEC definitions, a supply authority is responsible for ____.
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Question 71 of 534
71. Question
The ____ of the inner edge curve bend on armoured cables bent during installation must be at least six times the cable’s exterior diameter.
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Question 72 of 534
72. Question
A device or equipment whereby the circuit conductors can be disconnected from their supply source is referred as ____.
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Question 73 of 534
73. Question
A building’s reflected ceiling drawing is used as a(n) ____.
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Question 74 of 534
74. Question
In a ____, the main service calculation includes 75% of the basement area based on inside dimensions.
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Question 75 of 534
75. Question
To secure electrical equipment to ____, a metal brace can be used
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Question 76 of 534
76. Question
According to the CEC, ____ refers to electrical equipment that has no live parts exposed to a person on the operational side.
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Question 77 of 534
77. Question
Which of the following statements are incorrect about the CEC rules regarding field-installed caution markings? Select all that apply (4/5)
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Question 78 of 534
78. Question
In closets, luminaries or lampholders of the ____ design or bare lamp design should not be installed.
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Question 79 of 534
79. Question
983 ml is the capacity of a _____ box.
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Question 80 of 534
80. Question
For system grounding conductors ____ and ____ materials are acceptable to be installed.
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Question 81 of 534
81. Question
Type SIS cord is required for ____.
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Question 82 of 534
82. Question
____shows elevation of structural members.
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Question 83 of 534
83. Question
As defined by the ____, a supply authority and a service (consumers) do not possess the same meaning.
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Question 84 of 534
84. Question
As defined by the CEC, a ____ location is one in which liquids may drip, splash, or flow on or against electrical equipment.
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Question 85 of 534
85. Question
Under ____ in height a tamper resistance receptacle is not required for an inaccessible stationary appliance.
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Question 86 of 534
86. Question
In the context of conductors, identified as defined by the CEC means it has a ____ or ____ covering and cannot be ____ in colour.
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Question 87 of 534
87. Question
____ is the term used to describe a low impedance path or conductor grounding that limits the above ground voltage increase.
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Question 88 of 534
88. Question
____ equipment wire is acceptable to install in only in dry locations.
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Question 89 of 534
89. Question
4.5 m is the required conductor spacing interval required for ____.
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Question 90 of 534
90. Question
When an ohmmeter is used on a live circuit, it will _____.
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Question 91 of 534
91. Question
For door and window alarm contacts, _____ switches are used.
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Question 92 of 534
92. Question
Torque must be applied to a bolted termination according to the ____.
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Question 93 of 534
93. Question
A ____ operates a line voltage circuit using a low voltage circuit.
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Question 94 of 534
94. Question
A sliding contact can change the ____ of a variable resistor.
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Question 95 of 534
95. Question
When using non-metallic sheathed cable in three-way and four-way switching circuits, the ____ must be either black or red.
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Question 96 of 534
96. Question
The cross-sectional area of a wire which is one tenth of an inch in diameter is ____.
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Question 97 of 534
97. Question
A load is normally connected ____ with switches.
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Question 98 of 534
98. Question
The sequence of ____ is represented in a schematic drawing.
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Question 99 of 534
99. Question
In a ____ switching circuit, only one traveler is activated at a time.
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Question 100 of 534
100. Question
If two ____ are wired in series with a buzzer, the buzzer will not work when only one is pressed.
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Question 101 of 534
101. Question
The Meggar meter uses extremely ____ to the circuit under test.
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Question 102 of 534
102. Question
Three-quarters of a wrap around a terminating screw is required when utilizing an ____ conductor.
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Question 103 of 534
103. Question
For cutting 1/2 inch electrical metallic tubing, the carbon steel blade’s pitch should be ____.
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Question 104 of 534
104. Question
If a dwelling unit has more than one ____, they should be connected so that the activation of one alarm will trigger all of them.
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Question 105 of 534
105. Question
Which of the following are not the standard to measure conductor size ? Select all that apply (4/5)
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Question 106 of 534
106. Question
____ is achieved, when a rubber barrier that prevents the solenoid rod from striking metal is installed on the doorbell.
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Question 107 of 534
107. Question
Which of the following information is required on an electrical warning tag? Select all that apply (3/5).
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Question 108 of 534
108. Question
On a ____, a set of contacts is always portrayed as de-energized.
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Question 109 of 534
109. Question
In low voltage switching systems, the control and ____ circuit wiring can be rated and sized independently.
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Question 110 of 534
110. Question
If a resistor is coloured red, blue, black, silver, the total resistance value will be ____.
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Question 111 of 534
111. Question
Which of the following are types of fixed resistors? Select all that apply (2/5)
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Question 112 of 534
112. Question
For ____, letters are a widely used method of coding and identification.
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Question 113 of 534
113. Question
A #8 AWG copper wire has a conductor area of ____.
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Question 114 of 534
114. Question
When a(n) ____ is used to measure a devices current flow, it must be connected with the device in series.
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Question 115 of 534
115. Question
In a(n) ____ switching system, the control circuit operates the relay coil.
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Question 116 of 534
116. Question
The smallest AWG size is 40 and the largest is ____.
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Question 117 of 534
117. Question
Composition resistors are typically built with a ____ based alloy.
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Question 118 of 534
118. Question
If two buzzers and a/an ____ pushbutton are wired in parallel, the pushbutton will cause a short circuit when pressed.
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Question 119 of 534
119. Question
There are two different types of ____.
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Question 120 of 534
120. Question
In ____ construction buildings, NMD90 cables and conductors are most commonly installed.
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Question 121 of 534
121. Question
A resistors ____ is related to its ohmic range.
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Question 122 of 534
122. Question
Soft drawn ____ conductors are the most common type of insulated conductor.
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Question 123 of 534
123. Question
The magnetic field collapses when a ____ in a relay is de-energized.
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Question 124 of 534
124. Question
____ are required in residential units, according to provincial building codes.
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Question 125 of 534
125. Question
____ are determined using Table D7 from the CEC.
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Question 126 of 534
126. Question
A pure ____ conductor has a low tensile strength.
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Question 127 of 534
127. Question
For a(n) ____ switching system, a SPDT switch is installed.
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Question 128 of 534
128. Question
The cost of manufacturing a roller ball contact switch for an alarm system is higher than that of ____.
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Question 129 of 534
129. Question
A ____ is used to cut inside threads.
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Question 130 of 534
130. Question
A resistor is coloured green, yellow, gold, silver, the resistance value will be ____.
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Question 131 of 534
131. Question
Two different types of resistors are: Select all that apply (2/5)
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Question 132 of 534
132. Question
There are two different categories of ____.
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Question 133 of 534
133. Question
A ____ can be used only one time.
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Question 134 of 534
134. Question
When several padlock lockouts are used, circuits under repair can be ____ once all locks have been removed.
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Question 135 of 534
135. Question
A ____ should be used by closing the jaws around one conductor.
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Question 136 of 534
136. Question
Steel cores are commonly found in ____ installed for overhead high voltage distribution.
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Question 137 of 534
137. Question
The voltage for a residential ____ is typically 24 volts.
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Question 138 of 534
138. Question
Conductors colored ____, cannot be used as a switch leg.
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Question 139 of 534
139. Question
There are three connection points on a ____ potentiometer.
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Question 140 of 534
140. Question
When performing an electrical equipment lock out, only one ____ can be used for each lock.
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Question 141 of 534
141. Question
____ have a resistance surface made of composition or film.
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Question 142 of 534
142. Question
An ohmmeter will get damaged or destroyed if it is connected to a(n) ____.
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Question 143 of 534
143. Question
It’s important to look at the relay to physically locate a(n) ____.
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Question 144 of 534
144. Question
There are two ____ on a standard doorbell.
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Question 145 of 534
145. Question
There are six terminals on a ____ switch.
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Question 146 of 534
146. Question
A(n) ____ is a signal that alerts a number of additional locations from one location.
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Question 147 of 534
147. Question
In an alarm system, ____ are activated by acoustic shock waves.
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Question 148 of 534
148. Question
Which of the following are categories of machine taps? Select all that apply (3/5)
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Question 149 of 534
149. Question
Which of the following types of switches are required to control a light from three separate locations? Select all that apply (2/5)
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Question 150 of 534
150. Question
____, are popular to install on doors, because they are cheap and affordable
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Question 151 of 534
151. Question
Which of the following groups do intrusion-detection devices belong to? Select all that apply (2/5)
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Question 152 of 534
152. Question
Which of the following is true about a rotary switch? Select all that apply (2/5)
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Question 153 of 534
153. Question
On a ____ container, the WHMIS label should have red color
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Question 154 of 534
154. Question
Which of the following uses electromagnet to function? Select all that apply (4/5)
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Question 155 of 534
155. Question
In high-power applications, ____ are commonly installed.
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Question 156 of 534
156. Question
A single pole switch is the simplest way to switch a(n) ____.
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Question 157 of 534
157. Question
To control greater voltages, a(n) ____ switching system utilizes low voltage switches and relays.
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Question 158 of 534
158. Question
The ionization detector is extremely sensitive to flaming fires that ____.
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Question 159 of 534
159. Question
The switch is in the open state when an ohmmeter is placed across two points on a single pole switch and indicates ____.
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Question 160 of 534
160. Question
Which of the following describes a residential smoke alarm? Select all that apply (2/5)
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Question 161 of 534
161. Question
A supplier’s ____ label has a slashed-marked border that can be easily seen.
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Question 162 of 534
162. Question
A composition resistors ____ is determined by its physical size.
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Question 163 of 534
163. Question
Which of the following switches cannot be replaced by a 3-way switch? Select all that apply (4/5)
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Question 164 of 534
164. Question
When the needle on a meter ____, it signifies that the meter is connected with the reverse polarity.
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Question 165 of 534
165. Question
With the relay turned off, a set of ____ in an electromagnetic relay will be in the open position.
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Question 166 of 534
166. Question
If a ____ is required for an existing residential dwelling, it should be connected in parallel with the existing chime
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Question 167 of 534
167. Question
A 00 conductor is another name for a ____ conductor.
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Question 168 of 534
168. Question
Prior to drilling, an indentation is created with a ____.
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Question 169 of 534
169. Question
A conductor with a diameter of 8.62 mm has a cross-sectional area of ____.
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Question 170 of 534
170. Question
Audible is classified as a ____ in a home security system.
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Question 171 of 534
171. Question
Continuity exists through the normally closed contacts when the ____ is not activated.
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Question 172 of 534
172. Question
Difficulties in breathing may be caused when exposed to a current in the range of ____.
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Question 173 of 534
173. Question
It takes about ____ of current to cause respiratory paralysis.
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Question 174 of 534
174. Question
Working on ____ is permitted with the use of approved protective equipment.
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Question 175 of 534
175. Question
For proper operation, a ____ and a buzzer should be connected in series.
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Question 176 of 534
176. Question
Changes in heat are detected using ____.
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Question 177 of 534
177. Question
____ are required to be installed in residential units, according to the provincial building code.
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Question 178 of 534
178. Question
A ____ returns to its initial position prior to being actuated.
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Question 179 of 534
179. Question
Exothermic welding is the method of ____ and fusing conductors with one another.
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Question 180 of 534
180. Question
On a conventional door chime, there are ____ terminals.
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Question 181 of 534
181. Question
When installing more ____, the solenoids impedance should be taken into account to ensure effective operation.
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Question 182 of 534
182. Question
Which of the following are categories of resistors? Select all that apply (4/5)
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Question 183 of 534
183. Question
The ____ is located in the vacuum tube of an alarm system.
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Question 184 of 534
184. Question
Generally, a(n) ____ is classified as a Class 2 circuit.
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Question 185 of 534
185. Question
The main distinction between potentiometers and rheostats is that potentiometers have ____ terminals, whereas rheostats only have two.
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Question 186 of 534
186. Question
On a ____, a pulse actuated relay only requires a temporary power source.
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Question 187 of 534
187. Question
One of the drawbacks of aluminum conductors is as they are ____ they travel away from the point of applied pressure.
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Question 188 of 534
188. Question
Selective call signals refer to a ____ used in a residence.
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Question 189 of 534
189. Question
Which of the following is correct about stranded wires? Select all that apply (4/5)
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Question 190 of 534
190. Question
For effective operation, a minimum of ____ conductors will be required to be installed in a three-way switch.
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Question 191 of 534
191. Question
A(n) ____ switching system requires only a small control circuit wire.
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Question 192 of 534
192. Question
In a low voltage ____, separation of the low voltage section from the higher voltage section is provided by a metal barrier.
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Question 193 of 534
193. Question
A(n) ____ is a remote or automatic control device installed with one or more contact sets to provide load control.
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Question 194 of 534
194. Question
Two parallel connected buzzers, should be installed in series with a single N.C. push button designed to ____.
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Question 195 of 534
195. Question
A conductor with a diameter of 7.25 mm has a cross-sectional area of ____.
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Question 196 of 534
196. Question
A resistor colored Yellow-Violet-Orange-Gold will have resistance value of ____ with a tolerance of +/- 5%.
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Question 197 of 534
197. Question
On the meter face, most ____ have their numbers displayed from right to left.
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Question 198 of 534
198. Question
The cross-sectional area of a #5 AWG conductor is ____.
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Question 199 of 534
199. Question
What is the cross sectional area of a conductor that has a diameter of 0.75 of an inch?
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Question 200 of 534
200. Question
Two terminals will show continuity in a ____.
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Question 201 of 534
201. Question
The ____ of a conductor is a reference to its cross sectional area.
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Question 202 of 534
202. Question
A ____ is a tool that is used for cutting outside threads
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Question 203 of 534
203. Question
Single pole throw switch is represented in a ladder diagram by ____.
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Question 204 of 534
204. Question
____ conductors can be used as live conductor in some electrical circuits.
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Question 205 of 534
205. Question
____ batteries possess higher current capabilities compared to a lead-acid batteries.
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Question 206 of 534
206. Question
Induction is the process of creating a voltage through the use of relative motion between a magnetic field and a ____.
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Question 207 of 534
207. Question
The ____ outside a magnet, travel from north to south.
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Question 208 of 534
208. Question
The main difference between the ____ and ____ cells of a battery is that the secondary cells can be recharged.
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Question 209 of 534
209. Question
____ is the property of a magnetizable substance, determining the degree in which it concentrates the magnetic lines of force in the region occupied by it in a magnetic field.
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Question 210 of 534
210. Question
Permeability is the ability of a material to ____.
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Question 211 of 534
211. Question
High retentivity refers to a material’s ability to ____.
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Question 212 of 534
212. Question
After the removal of the magnetizing force, if a material possesses a high retentivity, it will be able to ____.
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Question 213 of 534
213. Question
The equation (V no load – V load) is used to determine the ____ due to the batteries resistance.
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Question 214 of 534
214. Question
Which of the following factors does affect the magnetic field strength? Select all that apply (3/6)
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Question 215 of 534
215. Question
Which of the following factors does not affect the magnetic field strength? Select all that apply (3/6)
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Question 216 of 534
216. Question
The electrolyte becomes diluted, as a ____ is discharged.
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Question 217 of 534
217. Question
Faraday’s law states that when the magnetic flux linking a circuit changes, an____ in the circuit proportional to the rate of change of the flux in that circuit.
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Question 218 of 534
218. Question
Which of the following are a generators electrical components? Select all that apply (3/5)
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Question 219 of 534
219. Question
In the event that a fully charged battery is connected in parallel to a partially charged battery, the batteries will ____.
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Question 220 of 534
220. Question
Which of the following will affect an electromagnets magnetic field strength? Select all that apply (4/5)
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Question 221 of 534
221. Question
By forcing a flow of current in the direction opposite to its discharged current, a secondary cell can be ____.
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Question 222 of 534
222. Question
The difference between the battery cells open circuit voltage and its ____ under load is a result of the batteries internal resistance.
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Question 223 of 534
223. Question
A housing case containing an electrolyte with series connected cells is referred to as a ____.
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Question 224 of 534
224. Question
Which of the following are the characteristics of magnetic poles? Select all that apply (2/5)
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Question 225 of 534
225. Question
____ refers to the lines of force that surround a magnetic material.
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Question 226 of 534
226. Question
____ is represented by letter L.
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Question 227 of 534
227. Question
Ones thumb points in the direction of the ____ when using the Left Hand Rule for Generators.
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Question 228 of 534
228. Question
Rotating a wire loop in a stationary magnetic field is a description of a ____.
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Question 229 of 534
229. Question
The conductors electrical polarity repeatedly changes as it travels back and forth through a ____ at a constant rate and at right angles to the magnetic field
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Question 230 of 534
230. Question
Which of the following is true about nickel cadmium battery cell? Select all that apply (4/5)
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Question 231 of 534
231. Question
To decrease the hysteresis losses, magnetic circuits are constructed of ____.
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Question 232 of 534
232. Question
Which of the following determines the induced emf magnitude? Select all that apply (3/5)
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Question 233 of 534
233. Question
In the event that two ____ are carrying the same direction current are brought near one another, they will aid each other.
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Question 234 of 534
234. Question
The area of the plate exposed to the electrolyte, determines the ____ of a battery cell.
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Question 235 of 534
235. Question
Whether two ____ will attract or repel each other, is determined by the magnetic field direction.
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Question 236 of 534
236. Question
When a material cannot be ____ any further it is known as saturation.
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Question 237 of 534
237. Question
Which of the following can be found in the atoms nucleus? Select all that apply (2/5)
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Question 238 of 534
238. Question
Electron flow in an electrical circuit is the flow of current from a ____.
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Question 239 of 534
239. Question
If one inch is equal to 25.4 mm, than 457.2 cm will be equal to ____ feet.
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Question 240 of 534
240. Question
In the equation, y/0.9 = 31/0.3, the value of y is equal to ____.
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Question 241 of 534
241. Question
A proton is a subatomic particle that is found in the ____ of an atom and has an atomic number.
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Question 242 of 534
242. Question
A 100 volt power source is feeding three resistors in parallel. The total current will ____ if one resistor is disconnected.
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Question 243 of 534
243. Question
If 325 is subtracted from 32.85, the resultant value will be ____.
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Question 244 of 534
244. Question
If a bundle of 60 pieces of wood weighs 2400 pounds, than the bundle of 75 pieces with same material will weigh ____ pounds.
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Question 245 of 534
245. Question
If 4/5 is divided by 9/10, the result will be ____.
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Question 246 of 534
246. Question
The utility company charges its consumers for the amount of ____ consumed withing the billing cycle.
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Question 247 of 534
247. Question
A positive ion is formed when a neutral atom loses a(n) ____.
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Question 248 of 534
248. Question
Which of the following is correct about the relationship of current, voltage, and resistance in a DC circuit? Select all that apply (2/5)
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Question 249 of 534
249. Question
In a series circuit, the total current is ____ throughout the circuit.
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Question 250 of 534
250. Question
One watt can be described as one ____ per second.
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Question 251 of 534
251. Question
A ____ refers to an electron that is no longer attached to the atom
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Question 252 of 534
252. Question
R1 is the first resistor in series, followed by R2 (middle resistor), and lastly R3. R3’s voltage drop would ____ if the middle resistor’s resistance value is increased.
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Question 253 of 534
253. Question
When two equal loads are connected across the two voltages of an ____, the neutral current drops to zero.
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Question 254 of 534
254. Question
____ horsepower is equal to 746 watts.
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Question 255 of 534
255. Question
Which of the following materials possess the characteristics to make them good electrical insulators? Select all that apply (3/5)
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Question 256 of 534
256. Question
____ is/are dealt with first when solving an equation within a set of brackets.
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Question 257 of 534
257. Question
To manufacture semiconductors, which of the follow raw materials are used? Select all that apply (2/5)
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Question 258 of 534
258. Question
In an electrical circuit, if the voltage is 16 and current is 3.2 than the resistance in the circuit using formula V=IR should be ____.
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Question 259 of 534
259. Question
A first-period apprentice’s hourly pay is $12.75 per hour, which is 40 percent of a journeyperson’s rate. As a result, the journeyperson’s hourly rate must be ____.
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Question 260 of 534
260. Question
In an electrical circuit, the difference in electron distribution between two points is known as ____.
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Question 261 of 534
261. Question
A(n) ____ has a substantially higher resistance than a high quality conductor.
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Question 262 of 534
262. Question
Your wholesaler account balance is $7535.67. If you send a cheque for $2250.50, your new account balance will be ____.
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Question 263 of 534
263. Question
An electromotive force can be created using a ____.
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Question 264 of 534
264. Question
____ make up the vast majority among all known elements.
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Question 265 of 534
265. Question
The nucleus is the core of a(n) ____.
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Question 266 of 534
266. Question
In a circuit with three resistors connected ____, increasing the ohmic value of one of the resistors decreases the overall current in the circuit.
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Question 267 of 534
267. Question
Which of the following are incorrect when comparing an Edison three-wire circuit delivering the same power as a two-wire circuit?Select all that apply (3/5)
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Question 268 of 534
268. Question
The value 128 is ____ percent of 640.
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Question 269 of 534
269. Question
The system is considered imbalanced, when current is present in the neutral conductor of an ____ distribution system.
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Question 270 of 534
270. Question
The symbol used to represent ____ is I.
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Question 271 of 534
271. Question
A conductor could be which of the following materials? Select all that apply (3/5)
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Question 272 of 534
272. Question
An insulator could be which of the following materials? Select all that apply (3/5)
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Question 273 of 534
273. Question
When the ____ switch installed in a series circuit is in the open position the voltage across the switch and the applied voltage are the same.
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Question 274 of 534
274. Question
Installing an additional ____ in a purely inductive parallel AC circuit, the circuits total current will increase.
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Question 275 of 534
275. Question
In any series RLC circuit, an increase in circuit ____ will always result in a decrease in impedance.
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Question 276 of 534
276. Question
If a capacitor is installed in parallel with a motor, the ____ of the motor will remain the same.
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Question 277 of 534
277. Question
Which of the following is true about autotransformers? Select all that apply (3/5)
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Question 278 of 534
278. Question
If the wye-delta bank secondary connections are connected in ____, the connected loads must be connected in wye only.
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Question 279 of 534
279. Question
In the context of transformer tap labels, the acronym RCBN stands for ____.
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Question 280 of 534
280. Question
Which of the following is true about autotransformers? Select all that apply (4/5)
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Question 281 of 534
281. Question
The coil of a single-phase transformer connected to a source of ____ is referred to as the primary winding.
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Question 282 of 534
282. Question
A ____ measures the maximum apparent power draw and quantity of energy consumed.
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Question 283 of 534
283. Question
Due to exciting current in the primary windings, the ____ of a transformer will be greater than the transformers calculated primary current.
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Question 284 of 534
284. Question
____ are considered as hazardous waste.
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Question 285 of 534
285. Question
____ is the operating principle of a transformer.
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Question 286 of 534
286. Question
The ____ transformer connection has the disadvantage that with a balanced load the primary neutral current holds a third harmonic.
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Question 287 of 534
287. Question
The input voltage on a ____ is lower than the output voltage.
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Question 288 of 534
288. Question
In a four-wire Delta system, the highest voltage to ground is between Line A and the ____.
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Question 289 of 534
289. Question
In a delta system equation I Line = I Phase × (square root of 3) is used, where the square root of 3 has a value of ____.
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Question 290 of 534
290. Question
____ transformers are installed in current limiting applications.
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Question 291 of 534
291. Question
No electrical connection exists between the primary and the secondary windings of a(n) ____.
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Question 292 of 534
292. Question
Which of the following are the methods used to decrease the temperature of a transformer? Select all that apply (2/5)
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Question 293 of 534
293. Question
A ____ mutual transformer can be connected as an autotransformer.
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Question 294 of 534
294. Question
On a transformer the high voltage terminals marked with a capital ____.
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Question 295 of 534
295. Question
On a transformer the low voltage terminals marked with a capital ____.
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Question 296 of 534
296. Question
A ____ was created to allow three-phase three-wire panels and single-phase three-wire panels to operate on the same service.
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Question 297 of 534
297. Question
The SI unit of ____ is the joule.
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Question 298 of 534
298. Question
The ____ of current transformers should not be fused.
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Question 299 of 534
299. Question
Due to the design of a transformer they experience the following two types of losses. Select all that apply (2/5)
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Question 300 of 534
300. Question
To create a three-wire output on a delta-delta transformer you can connect the secondaries in which of the following two methods? Select all that apply (2/5)
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Question 301 of 534
301. Question
Transformer core losses include which of the following two components? Select all that apply (2/5)
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Question 302 of 534
302. Question
Dielectric material is used for insulation in____.
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Question 303 of 534
303. Question
The “rate of doing work” is it definition for ____.
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Question 304 of 534
304. Question
Farad is unit of measurement for____.
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Question 305 of 534
305. Question
Reactance is the opposition to current flow in a circuit due to the ____ and ____ properties.
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Question 306 of 534
306. Question
After ____ time constant(s) has elapsed the voltage across a DC capacitor will change by 63%.
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Question 307 of 534
307. Question
If you have a right angle triangle and the value of the adjacent is 10 and the hypotenuse is 15.62 then is the value of the opposite is ____.
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Question 308 of 534
308. Question
If the current in a 120 volt, 60 hz circuit is increased then the capacitance in the circuit has ____.
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Question 309 of 534
309. Question
____ is calculated by multiplying the reactive current and reactive voltage together.
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Question 310 of 534
310. Question
The square root of 35² – 23² equals ____.
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Question 311 of 534
311. Question
A four-way reversing valve installed in a cooling system is used to control the ____ refrigerant flow.
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Question 312 of 534
312. Question
The low water cut out “LWCO” must shut off the fuel supply, in the event the ____ in the boiler of a hot water heating system is low.
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Question 313 of 534
313. Question
In a gas furnace the ____ is installed in the burner box sides and/or the top.
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Question 314 of 534
314. Question
If the room temperature is increasing to an uncomfortably high temperature prior to the fan shutting off, it it likely that the heating thermostats ____ is not generating heat.
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Question 315 of 534
315. Question
A cold junction voltage is created when the ____ of a thermocouple is heated.
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Question 316 of 534
316. Question
A ____ operational purpose is to shut off the gas to the pilot and main burner.
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Question 317 of 534
317. Question
In regards to automatic control systems which of the following are applications they may be used in? Select all that apply (4/5)
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Question 318 of 534
318. Question
The “fan on” temperature setting should be set in a manner that the fan starts after the burner is on and the ____ is properly heated.
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Question 319 of 534
319. Question
The ____ controls the two-speed fan motor, in a combined heating/cooling system.
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Question 320 of 534
320. Question
Which of the following statements are correct about powerpiles (thermopiles)? Select all that apply (3/5)
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Question 321 of 534
321. Question
In a/an HVAC system, the operational purpose of ____ is to control the devices operation.
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Question 322 of 534
322. Question
Heat is transferred from hot to cold in a ____ installed in a forced air furnace.
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Question 323 of 534
323. Question
In a high limit switch, which of the following temperature sensing devices can be installed? Select all that apply (3/5)
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Question 324 of 534
324. Question
Which of the following methods control the water flow in each zone of a multi-zone hot water heating system? Select all that apply (3/5)
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Question 325 of 534
325. Question
The ideal relative humidity for health and comfort is somewhere between ____.
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Question 326 of 534
326. Question
40% at 22°C to 23°C is the ____ that most occupants within a building will find comfortable.
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Question 327 of 534
327. Question
The gas valves amperage draw is matched by the ____ installed in the domestic furnaces thermostat.
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Question 328 of 534
328. Question
The principal exhaust fan and the furnace blower are required to be interlocked in the event it is determined that a single dwelling requires ____.
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Question 329 of 534
329. Question
An aquastat is installed in a single zone hot water heating systems boiler to control the ____.
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Question 330 of 534
330. Question
People can feel cold even if the temperature is 20°C if the ____.
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Question 331 of 534
331. Question
A ____ contains the clean air that the blower circulates.
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Question 332 of 534
332. Question
To transfer the heat from the circulating air to the combustion chamber a ____ is installed.
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Question 333 of 534
333. Question
A control board failure is indicated if the ____ is/are continuously on in a mid-efficient furnace.
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Question 334 of 534
334. Question
Which of the following are correct about HVAC units? Select all that apply (4/5)
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Question 335 of 534
335. Question
In a forced air furnace, the ____ is installed to drive the blower assembly.
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Question 336 of 534
336. Question
Which of the following is true about relay coil? Select all that apply (2/5)
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Question 337 of 534
337. Question
____ consist of two dissimilar metal wires installed in series.
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Question 338 of 534
338. Question
In a furnace installation, the ____ is installed to transfer the air through the heat exchanger and burners.
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Question 339 of 534
339. Question
The information at the ____ of the schematic diagram drawing will illustrate the potential difference that exists between the two vertical lines.
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Question 340 of 534
340. Question
Which of the following are primary components of the HVAC rooftop unit heating section? Select all that apply (2/5)
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Question 341 of 534
341. Question
When troubleshooting an HVAC rooftop unit, the first step is to ____.
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Question 342 of 534
342. Question
If a furnace reaches ____, the potential operating issue could be an obstructed cold air return or malfunctioning fan blower.
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Question 343 of 534
343. Question
The following contacts on the electronic control board can be used to supply a humidifier with 120 volts of power? Select all that apply (3/5)
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Question 344 of 534
344. Question
The ____ for a forced-air heating system is commonly installed between the cold-air return plenum and the blower fan.
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Question 345 of 534
345. Question
In a cooling system, the ____ transfers heat to the outdoor air.
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Question 346 of 534
346. Question
The high limit device will safely shut down a domestic forced air furnace if the ____ operating temperature rises to high.
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Question 347 of 534
347. Question
In an HVAC rooftop unit the correct sequence of operation for a direct spark ignition is?
#1 – Ignition is stopped once the flame rod senses the flame.
#2 – Energize the spark ignition circuit.
#3 – Ignite the main flame.
#4 – Open primary gas valve.
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Question 348 of 534
348. Question
Which of the following components are commonly installed with a heat pump? Select all that apply (3/5)
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Question 349 of 534
349. Question
To prevent evaporator ice build-up, the ____ installed in a heating/cooling system, while operating in cooling mode, should be operated on high speed.
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Question 350 of 534
350. Question
On a domestic furnace, energizing the ____ will provide continuous operation to the blower fan.
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Question 351 of 534
351. Question
In a furnace with air conditioning installed, the blower fan speed is always set for ____.
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Question 352 of 534
352. Question
The fan control switch in a furnace is installed ____ with the fan motor.
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Question 353 of 534
353. Question
When the two ____ in a strip type sensing device deflect due to a temperature increase the metallic strip that expands faster becomes the outside and longer curvature.
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Question 354 of 534
354. Question
The ____ compresses the refrigerant vapour in an air cooling system.
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Question 355 of 534
355. Question
In a 120 Volt heating system, the main gas valve and high limit thermostat are installed ____.
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Question 356 of 534
356. Question
Which of the following are the disadvantages of a hot water heating system? Select all that apply (3/5)
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Question 357 of 534
357. Question
A ____ type temperature sensing device has a rigid metallic bulb installed to one end of a thin tube and a flexible diaphragm attached to the other end.
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Question 358 of 534
358. Question
In a thermostat the ____ contacts are sealed in a glass tube to maintain cleanliness.
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Question 359 of 534
359. Question
Which of the following colour codes are correct for a combined heat/cool thermostat? Select all that apply (4/8)
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Question 360 of 534
360. Question
To decrease the temperature of the room air, a standard ____ operates by evaporating a liquid refrigerant in the evaporator heat exchanger.
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Question 361 of 534
361. Question
A mid-efficiency furnace has which of the following combustion air components? Select all that apply (4/5)
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Question 362 of 534
362. Question
Which of the following devices are installed in a domestic furnace’s low voltage circuit? Select all that apply (3/5)
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Question 363 of 534
363. Question
With regards to building air quality, which of the following variables should be considered? Select all that apply (3/5)
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Question 364 of 534
364. Question
Due to clearly illustrating the sequential order of operations, a(n) ____ is often used for troubleshooting furnaces.
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Question 365 of 534
365. Question
A heating/cooling system has which of the following safety devices installed? Select all that apply (3/5)
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Question 366 of 534
366. Question
In a 120 Volt heating system which of the following are installed in series? Select all that apply (2/5)
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Question 367 of 534
367. Question
Near the top of the heat exchanger in the plenum, the ____ is installed in a furnace.
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Question 368 of 534
368. Question
If one of the zones in a ____ hot water heating system isn’t operating properly, than it is recommended to check the zones thermostat or zone valve.
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Question 369 of 534
369. Question
The ____ installed in a rooftop HVAC unit proves the presence of a flame.
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Question 370 of 534
370. Question
The SI unit of ____ is the joule.
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Question 371 of 534
371. Question
In a furnace the set point of a ____ is between 82°C to 93°C (180°F to 200°F).
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Question 372 of 534
372. Question
A mid-efficiency furnace has which of the following sequences of operation?
#1 – Thermostat opens
#2 – The blower is de-energized
#3 – The temperature of the building increases
#4 – The gas valve shuts
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Question 373 of 534
373. Question
A system lockout is indicated on a mid-efficiency furnace when the ____ shows two flashes due to failure to detect or sustain flame.
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Question 374 of 534
374. Question
An HVAC rooftop unit has the following three sections. Select all that apply (3/5)
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Question 375 of 534
375. Question
To control the amount of refrigerant flow to the evaporator from the receiver a(n) ____ is installed in a cooling system.
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Question 376 of 534
376. Question
An intermittent ignition is used in a/an ____ unit that uses a high-voltage spark and pilot flame.
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Question 377 of 534
377. Question
A ____ type sensing device includes a small fluid filled metallic bellow.
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Question 378 of 534
378. Question
The flame is detected by the light emitted, when a/an ____ is installed as a flame detection device..
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Question 379 of 534
379. Question
The Canadian Electrical Code limits a ____ transformer to 100 Volt Amps.
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Question 380 of 534
380. Question
The following are classifications of electrical drawings. Select all that apply (4/5)
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Question 381 of 534
381. Question
For current limiting applications, ____ are installed in circuits.
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Question 382 of 534
382. Question
To protect a circuit from short circuits or overloads you should install a ____ type circuit breaker.
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Question 383 of 534
383. Question
If the contactors contact spring tension is set incorrectly which of the following could occur? Select all that apply (3/5)
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Question 384 of 534
384. Question
To properly size a motor starter, the following variables should be known. Select all that apply (4/5)
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Question 385 of 534
385. Question
In a single ____, installed in a motor magnetic starter control circuit, the stop buttons are connected in series with each other and normally closed.
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Question 386 of 534
386. Question
In a transformer, the core losses will stay essentially constant when the ____.
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Question 387 of 534
387. Question
The motors overload heater ____ is derived from the motors current and name plate service factor.
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Question 388 of 534
388. Question
A contactor has the following three primary components. Select all that apply (3/5)
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Question 389 of 534
389. Question
Contact material for contactors and relays include which of the following three primary materials? Select all that apply (3/5)
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Question 390 of 534
390. Question
On a schematic for the control of a ____, there are seven different sections.
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Question 391 of 534
391. Question
On a schematic diagram the switches or contacts are illustrated with the ____.
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Question 392 of 534
392. Question
On contactors or relays, ____ contacts would be installed over silver contacts in applications where higher currents and voltages are anticipated.
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Question 393 of 534
393. Question
In the context of electrical diagrams, the wiring diagram most effectively illustrates ____.
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Question 394 of 534
394. Question
In a NEMA style motor starter a(n) ____ connected between terminals L2 and 3 will measure the operating coils resistance.
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Question 395 of 534
395. Question
The ____ are effectively constant from full-load to no-load in a transformer.
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Question 396 of 534
396. Question
An IEC reversing starter, terminals L2 and 14 should be connected to a ____ to provide indication if the motor is operating in the reverse direction.
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Question 397 of 534
397. Question
A ____ provides a method to confidently disconnect the motor from all ungrounded circuit conductors.
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Question 398 of 534
398. Question
To obtain electrical interlocking on the ____, two NC contacts are used.
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Question 399 of 534
399. Question
With regards to relay’s which of the following are correct? Select all that apply (4/5)
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Question 400 of 534
400. Question
A ten-horsepower motor is installed to control a magnetic motor starter, if after operating in an overload condition for an extended period of time the starter ____, it could be due incorrectly sized heaters.
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Question 401 of 534
401. Question
The primary operating purpose of shading coils installed on a(n) ____ is to minimize chatter of the armature and contact.
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Question 402 of 534
402. Question
A(n) ____ is installed on a motor magnetic starter to enable a momentary overload period without shutdown.
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Question 403 of 534
403. Question
If the motor fails to start after the motor starter ____ travels inwards, it is possible that the overload heater has failed.
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Question 404 of 534
404. Question
In a magnetic motor starter, the ____ protects the motor from operating above its rated current.
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Question 405 of 534
405. Question
The transformers ____ can be determined by performing an open circuit test.
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Question 406 of 534
406. Question
The ____ contacts with a reverse coil are installed in series on a reversing motor magnetic starter.
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Question 407 of 534
407. Question
Laminating the core and armature of an AC relay installed in a magnetic circuit decreases ____.
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Question 408 of 534
408. Question
The voltage output by the secondary winding of a transformer will be ____ volts if the primary voltage is 35 volts, the secondary winding has 4500 turns, and the primary winding has 355 turns.
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Question 409 of 534
409. Question
Which of the following are relay contacts rated for? Select all that apply (3/5)
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Question 410 of 534
410. Question
Which of the following are approved motor disconnects? Select all that apply (3/5)
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Question 411 of 534
411. Question
In the block diagram only one ____ is carried between the pieces of equipment.
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Question 412 of 534
412. Question
A ____ installed for motor overload protection should be sized according to the full load motor current.
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Question 413 of 534
413. Question
A reversing magnetic starter installs a(n) ____ to prevent burn out of the operating coil.
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Question 414 of 534
414. Question
____ by the power circuit contacts installed in a magnetic starter circuit.
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Question 415 of 534
415. Question
To decrease armature chatter, ____ are installed in contactors.
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Question 416 of 534
416. Question
Which of the following is true about solid state relays? Select all that apply (4/5)
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Question 417 of 534
417. Question
With reference to solid-state overload relays, which of the following is incorrect? Select all that apply (3/5)
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Question 418 of 534
418. Question
A ____ condition will occur in a three-phase motor when a power circuit fuse blows.
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Question 419 of 534
419. Question
An overload protection device must be installed in each underground conductor of a(n) ____ motor magnetic starter.
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Question 420 of 534
420. Question
In most contactor designs the moving contacts are typically spring mounted for the purpose of: Select all that apply (2/5)
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Question 421 of 534
421. Question
In a motor magnetic starter, overheating protection is provided to the motor by installing a(n) ____.
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Question 422 of 534
422. Question
A(n) ____ condition in a motor will occur if an ungrounded conductor makes direct contact with the grounded conductor.
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Question 423 of 534
423. Question
A(n) ____ is intended to provide the motor starting control circuit with a low voltage release.
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Question 424 of 534
424. Question
A potential cause for an “infinity” reading while performing a continuity test between ____ while the armature of a motor magnetic starter is pushed in, is that the overload heater may have failed.
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Question 425 of 534
425. Question
A ladder diagram can also be referred to as a(n) ____.
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Question 426 of 534
426. Question
The temperature above the ambient temperature that the motor can operate at is represented by the motors ____ rating.
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Question 427 of 534
427. Question
In a parallel AC RLC circuit when PT = QT, the overall power factor will be ____.
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Question 428 of 534
428. Question
A ____ power factor is undesirable because to generate similar power a larger sized wire is required.
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Question 429 of 534
429. Question
By using the equation PT / ST, the ____ of an AC resistive circuit can be calculated
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Question 430 of 534
430. Question
Capacitors are devices which store ____ in the form of electrical field charge accumulated on their plates.
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Question 431 of 534
431. Question
In a parallel RLC circuit, the total ____ is equal to the applied voltage divided by the total current.
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Question 432 of 534
432. Question
In an AC circuit, the ____ is measured in vars.
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Question 433 of 534
433. Question
Inductance can store energy in the form of an ____.
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Question 434 of 534
434. Question
In a circuit that has current flowing in it, the electromotive force maintains what?
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Question 435 of 534
435. Question
Types of material selected for a conductor will change the conductor’s ____.
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Question 436 of 534
436. Question
Which of the following symbols represents multiplication?
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Question 437 of 534
437. Question
Voltage remains constant across all loads in a ____.
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Question 438 of 534
438. Question
Electrons are measured in____.
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Question 439 of 534
439. Question
1/4 is equal to ____.
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Question 440 of 534
440. Question
Which symbol represents subtraction in mathematical equation?
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Question 441 of 534
441. Question
28 is result of adding ____.
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Question 442 of 534
442. Question
The letter A represents what in an electrical circuit?
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Question 443 of 534
443. Question
A rectangle has two sides that measure 15 and another 2 sides that measure 38. What is the total measurement of the perimeter?
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Question 444 of 534
444. Question
Raw material such as Nichrome II is desired in the manufacturing of ____, because it has a low temperature coefficient.
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Question 445 of 534
445. Question
In an Edison three-wire circuit the ground potential is the same as____.
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Question 446 of 534
446. Question
Which of these is an example of exponential notation?
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Question 447 of 534
447. Question
120 Volt series circuit has a single pole switch in the open position, the voltage drop across the switch will be ____.
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Question 448 of 534
448. Question
One foot of 6 inch pipe weighs 8 lb 3 oz. The total weight of the pipe will be ____ if there is 9.5 feet.
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Question 449 of 534
449. Question
KV/mm is the unit of measurement for____.
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Question 450 of 534
450. Question
120 Volt is applied to a circuit, the voltage drop across the third resistor will be ____ if four resistors of equals value are connected in series.
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Question 451 of 534
451. Question
2.89 metres is equal to _____.
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Question 452 of 534
452. Question
52 inches equals ____ m. (Assume 1 inch equals 25.4 mm)
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Question 453 of 534
453. Question
60.96 cm equals ____ feet. (Assume 1 inch equals 25.4 mm)
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Question 454 of 534
454. Question
1/2 minus 1/4 equals ____.
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Question 455 of 534
455. Question
A ____ is an outer shell electron that is associated with an atom belonging to a conductor.
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Question 456 of 534
456. Question
In the nucleus of an atom, ____ exist and have an atomic number.
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Question 457 of 534
457. Question
A positive ion is created when a(n) ____.
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Question 458 of 534
458. Question
For an electrical project you are working on requires you to install two lights ($347.58), 10 outlets ($151.99), two 15 amp breakers ($55.39) and one 3 way switch ($24.13) what is the total cost of material?
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Question 459 of 534
459. Question
Types of material selected for a conductor will change the conductors ____.
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Question 460 of 534
460. Question
1,000,000 ohms is the same as ____
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Question 461 of 534
461. Question
After completion of an electrical project you have received $11,354 but have to pay your employee $3,127.58 how much will you have left over?
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Question 462 of 534
462. Question
A ceiling needs lights put in it. The ceiling measures 40 feet X 15.5 feet and the customer wants the single row of lights. If he wants his lights to be 5 feet apart how many lights will you put in?
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Question 463 of 534
463. Question
The maximum current rating of the battery is referred to as the ____.
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Question 464 of 534
464. Question
A characteristic of ____ is that un-similar (opposite) poles will attract one another.
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Question 465 of 534
465. Question
Which of the following is NOT true of a batterys internal resistance: Select all that apply (4/5)
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Question 466 of 534
466. Question
Increasing or decreasing the cross-sectional area of a bar magnet will affect the ____.
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Question 467 of 534
467. Question
The ____ will increase if a section of a bar magnets cross-sectional area is decreased.
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Question 468 of 534
468. Question
The flux density will ____ if a section of a bar magnets cross-sectional area is increased.
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Question 469 of 534
469. Question
The flux density will ____ if a section of a bar magnets cross-sectional area is decreased.
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Question 470 of 534
470. Question
Self induction is the process of a(n) ____.
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Question 471 of 534
471. Question
Relative motion must take place between a conductor and a magnetic field for a(n) ____ to be generated.
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Question 472 of 534
472. Question
1.44 and 1.53 is the hydrometer reading range for a fully charged ____.
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Question 473 of 534
473. Question
A generator creates electrical energy out of ____.
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Question 474 of 534
474. Question
The left hand conductor rule can determine?
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Question 475 of 534
475. Question
If the flux density of a coil has increased there has been a corresponding increase in the coil ____.
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Question 476 of 534
476. Question
A conductors induced voltage will decrease if there is a decrease in the speed of the conductor cutting the ____.
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Question 477 of 534
477. Question
If an AC alternator RPMs decrease the voltage output of the generator will ____.
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Question 478 of 534
478. Question
The commutator in a DC generator is also referred to as a(n) ____.
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Question 479 of 534
479. Question
When using the left hand rule for generators, the first finger points in the direction of ____ going from North to South
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Question 480 of 534
480. Question
What is an advantage of installing a low voltage switching system?
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Question 481 of 534
481. Question
If a 24 volt doorbell circuit is getting a low voltage measurement on the buzzer when there are multiple buzzers installed in the circuit, the problem could be ____.
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Question 482 of 534
482. Question
A(n) ____ meter should be hooked up in series in an electrical circuit.
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Question 483 of 534
483. Question
____ conductors are available three different hardness grades.
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Question 484 of 534
484. Question
Overhead distribution applications often install ____ drawn copper conductors.
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Question 485 of 534
485. Question
Comparing a supervised alarm system to an unsupervised alarm system, ____ in the supervised alarm system can cause an alarm.
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Question 486 of 534
486. Question
To return the plunger back to its original position within a relay, a ____ is used.
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Question 487 of 534
487. Question
Heat blankets can be used for ____.
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Question 488 of 534
488. Question
A conductor has a cross sectional area 21.65 mm², what is the diameter conductor?
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Question 489 of 534
489. Question
Contacts in a wiring diagram are always illustrated in the ____.
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Question 490 of 534
490. Question
____ in an electrical circuit is a component used to hold the coil.
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Question 491 of 534
491. Question
The low capital cost is an advantage of an____ smoke detector.
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Question 492 of 534
492. Question
The multiplier is illustrated by the ____ colour band on a resistor.
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Question 493 of 534
493. Question
A wattmeter is an electrical device that is used to measure ____directly.
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Question 494 of 534
494. Question
11 yards equals ____ cm. (Assume 1 inch equals 25.4 mm)
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Question 495 of 534
495. Question
152.4 cm equals ____ feet. (Assume 1 inch equals 25.4 mm)
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Question 496 of 534
496. Question
Current in a series circuit with four resistors will ____.
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Question 497 of 534
497. Question
4836 mm equals ____ m.
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Question 498 of 534
498. Question
4.84 m equals ____ cm.
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Question 499 of 534
499. Question
484 mm equals ____ cm.
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Question 500 of 534
500. Question
12 yards equals ____ cm. (Assume 1 inch equals 25.4 mm)
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Question 501 of 534
501. Question
120 cm equals ____ inches. (Assume 1 inch equals 25.4 mm)
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Question 502 of 534
502. Question
16 inches equals ____ cm. (Assume 1 inch equals 25.4 mm)
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Question 503 of 534
503. Question
182.88 cm equals ____ feet. (Assume 1 inch equals 25.4 mm)
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Question 504 of 534
504. Question
213.36 cm equals ____ feet. (Assume 1 inch equals 25.4 mm)
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Question 505 of 534
505. Question
396.24 cm equals ____ feet. (Assume 1 inch equals 25.4 mm)
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Question 506 of 534
506. Question
3 feet equals ____ cm. (Assume 1 inch equals 25.4 mm)
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Question 507 of 534
507. Question
The voltage across a series circuit single pole switch in the on “closed” position will be ___ volts.
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Question 508 of 534
508. Question
In mathematical operations, subtraction is represented by the ____ symbol.
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Question 509 of 534
509. Question
In mathematical operations, division is represented by the ____ symbol.
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Question 510 of 534
510. Question
In mathematical operations, addition is represented by the ____ symbol.
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Question 511 of 534
511. Question
In mathematical operations, multiplication is represented by the ____ symbol.
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Question 512 of 534
512. Question
In mathematical operations, equals is represented by the ____ symbol.
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Question 513 of 534
513. Question
The sum of 1/2 + 1/4 equals ____.
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Question 514 of 534
514. Question
Busbars is the term used to describe ____ conductor.
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Question 515 of 534
515. Question
Which of the following affect the amount of voltage generated in a generator. Select all that apply (3/5)
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Question 516 of 534
516. Question
Mechanical energy is converted into ____ in a generator.
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Question 517 of 534
517. Question
Electrolyte and dissimilar metal plates is the raw components of a ____.
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Question 518 of 534
518. Question
____ states that the magnitude of the induced emf is directly proportional to the rate at which the conductor cuts the magnetic lines of force.
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Question 519 of 534
519. Question
Eddy current losses in a relay can be decreased by ____.
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Question 520 of 534
520. Question
The strength of a magnetic field will decrease in a coil with an iron core if the ____.
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Question 521 of 534
521. Question
100,000,000 lines force must be cut a second to produce ____ in a conductor.
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Question 522 of 534
522. Question
To produce one volt, 100 million lines of force must be cut ____.
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Question 523 of 534
523. Question
Alnico 5 is one of the more common types of permanent magnets produced, what are the other two?
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Question 524 of 534
524. Question
Which of the following are types of permanent magnets manufactured: Select all that apply (3/5)
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Question 525 of 534
525. Question
Magnetic reluctance could be defined as ____.
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Question 526 of 534
526. Question
Increasing the current of a coil will ____ the strength of the magnetic field.
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Question 527 of 534
527. Question
____ is a characteristic of a magnetic pole in a magnet.
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Question 528 of 534
528. Question
Which of the following will follow the path of least reluctance?
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Question 529 of 534
529. Question
The load current and voltage difference between no-load and load condition is information needed to calculate a batteries ____.
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Question 530 of 534
530. Question
To calculate the batteries internal resistance the following is required: Select all that apply (2/5)
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Question 531 of 534
531. Question
The second finger points in the direction of current flow in ____.
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Question 532 of 534
532. Question
The ____ is the generator component that provides a path for the magnetic lines of force.
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Question 533 of 534
533. Question
A Henry is the unit of measurement for ____.
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Question 534 of 534
534. Question
____ is the state reached when an increase in applied external magnetic field cannot increase the magnetization of the material further.
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