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Question 1 of 135
1. Question
The valence shell is part of the outermost shell of a(n) ____.
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Question 2 of 135
2. Question
How would you express 0.0055 as a percentage?
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Question 3 of 135
3. Question
Matter is any object that ____ and has ____.
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Question 4 of 135
4. Question
Which of the following is NOT a state of matter?
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Question 5 of 135
5. Question
An atom’s valence shell is located in the ____.
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Question 6 of 135
6. Question
0.0055 expressed as a percentage is what?
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Question 7 of 135
7. Question
Matter is anything that occupies which of the following? Select all that apply (2/5)
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Question 8 of 135
8. Question
What are some examples of matter? Select all that apply (2/5)
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Question 9 of 135
9. Question
The ‘notes’ section of blueprints can convey what sort of information?
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Question 10 of 135
10. Question
Looking at a process line to find the piping class & line class number; what type of drawing would be your first choice?
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Question 11 of 135
11. Question
What can you find in the notes section of a blueprint drawing?
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Question 12 of 135
12. Question
When preheating pipe for welding and for post weld heat treatment which of the following would be an appropriate gas to use?
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Question 13 of 135
13. Question
The fusible plug installed on an acetylene cylinder is designed to ____ at approximately 100 °C (212 °F).
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Question 14 of 135
14. Question
A bourdon tube is a component of which device for the correct operation of the regulator gauge indicator needle?
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Question 15 of 135
15. Question
____ is an alternative fuel gas you would use for preheat and post weld heat treatment.
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Question 16 of 135
16. Question
In the event of exposure to elevated temperatures such as a fire, a(n) ____ will melt on a acetylene cylinder.
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Question 17 of 135
17. Question
In a(n) ____ you would you find a bourdon tube installed for operation of the indicator needle.
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Question 18 of 135
18. Question
Muriatic or Hydrochloric acid is the choice solder flux for the following metal.
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Question 19 of 135
19. Question
Under plumbing regulations, yellow is the only acceptable solvent color for which product?
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Question 20 of 135
20. Question
____ % of torque is applied to the nut for a tension ‘preload’.
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Question 21 of 135
21. Question
Muriatic or hydrochloric solder flux is used with which type of metal?
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Question 22 of 135
22. Question
Plumbing regulations state that ____ must be yellow in colour.
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Question 23 of 135
23. Question
Plumbing regulations require acrylonitrile butadiene styrene plastic solvent cement to be which color?
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Question 24 of 135
24. Question
Ten percent of the torque applied to a nut on a stud, transfers in ____ on the nut.
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Question 25 of 135
25. Question
Preload tension on the nut occurs when ____ of torque is applied on the nut.
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Question 26 of 135
26. Question
It is important to follow ____ steps to correctly don a full body safety harness.
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Question 27 of 135
27. Question
Under CSA Standard Z94.3-15: Eye and Face Protectors; Welding helmets are grouped in which class?
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Question 28 of 135
28. Question
When donning a ____ in a safe and proper manner, there are five steps to be followed.
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Question 29 of 135
29. Question
There are ____ steps to putting on a full body harness in a safe and proper manner.
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Question 30 of 135
30. Question
With regards to PPE, CSA Class 3 includes ____.
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Question 31 of 135
31. Question
Welding helmets fall under Class ____ of CSA eye protection.
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Question 32 of 135
32. Question
Requiring employees wear safety glasses would be an example of using ____, to control a hazard.
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Question 33 of 135
33. Question
Wearing safety eyewear is an example of which type of hazard controls?
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Question 34 of 135
34. Question
Which of the following gases will have the highest BTU/Cubic foot rating?
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Question 35 of 135
35. Question
Butane gas will have the ____ compared with manufactured gas, natural gas and propane gas.
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Question 36 of 135
36. Question
A gas range burner top is a residential appliance that would most likely not have a ____.
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Question 37 of 135
37. Question
Which of the following scenarios would most likely be due to a undersized gas line?
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Question 38 of 135
38. Question
With regards to a pilot the term “____” is used to describe a condition where the main burner ignition does not occur within 4 seconds.
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Question 39 of 135
39. Question
It is recommended procedure 3 to 4 minutes after lighting the pilot in a open circuit test to ____.
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Question 40 of 135
40. Question
Comparing the operation of a thermocouple to a thermopile, a thermopile creates a ____.
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Question 41 of 135
41. Question
A(n) ____ is a device that can be used to measure low gas pressures.
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Question 42 of 135
42. Question
Propane tends to release energy approximately 2.5 times greater then which other gas?
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Question 43 of 135
43. Question
If a pilot flame is hissing what should be done?
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Question 44 of 135
44. Question
Which of these are properties of butane gas? Select all the apply (3/5)
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Question 45 of 135
45. Question
What is a difference between an acetylene gas flame compared to other gas flames like natural gas, butane gas and propane gas?
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Question 46 of 135
46. Question
Typically what would you be supplying when the manifold pressure for a natural gas supply is 3.5 inches w.c.?
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Question 47 of 135
47. Question
An individual can inhale up to 450 ppm of ____ for a duration of one hour without any negative effects.
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Question 48 of 135
48. Question
Two dissimilar metal wires connected in series would make what kind of sensor?
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Question 49 of 135
49. Question
Friction in a gas pipe would cause the gas to ____ as it travels throughout the piping system.
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Question 50 of 135
50. Question
Contaminants in the air are burned off prior to entry in a ____ pilot.
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Question 51 of 135
51. Question
____ is when the pilot flame is extinguished due to the main burner ignition.
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Question 52 of 135
52. Question
The thermopiles minimum output (mV) needed for the main burners gas valve to open is known as the ____.
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Question 53 of 135
53. Question
What is the venturi effect?
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Question 54 of 135
54. Question
What type of meniscus measures pressure by calculating the difference between the levels on either side?
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Question 55 of 135
55. Question
If a pilot burner is operating efficiently the flame should be ____ in colour.
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Question 56 of 135
56. Question
In what piece of equipment would a blue flame be considered optimal?
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Question 57 of 135
57. Question
Which metal best fits the description of having a high resistance under reducing conditions to sulfuric and hydrochloric acid while also being resistant to seawater?
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Question 58 of 135
58. Question
What is the name of the substance used as a synthetic resin thickener?
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Question 59 of 135
59. Question
What size pipe of Kimax glass pipe would have a pressure rating of 100 psi?
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Question 60 of 135
60. Question
A 90 degree 4 inch short radius elbow fitting would be ____.
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Question 61 of 135
61. Question
A 90 degree 4 inch long radius elbow fitting would be ____.
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Question 62 of 135
62. Question
If the bend radius of a 90 degree short radius welded elbow is 6 “, what size is the pipe?
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Question 63 of 135
63. Question
If the bend radius of a 90 degree long radius welded elbow is 6 “, what size is the pipe?
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Question 64 of 135
64. Question
The linear thickness of loose lined pipe would directly affect this:
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Question 65 of 135
65. Question
The ____ used with fibreglass is typically inert or inorganic materials.
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Question 66 of 135
66. Question
What substance would be referred to as a hardener?
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Question 67 of 135
67. Question
300 Series stainless steel will expand 60% more then which other type of steel?
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Question 68 of 135
68. Question
What term would you use to describe a crystalline structure?
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Question 69 of 135
69. Question
The addition of the following alloying element with grey cast would make the iron much harder but more brittle?
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Question 70 of 135
70. Question
Which type of pipe is coloured grey according to the APFA coding?
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Question 71 of 135
71. Question
If the bend radius of a 90 degree long radius welded elbow is 4.5″, what size is the pipe in inches?
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Question 72 of 135
72. Question
During the ____ process for metals, the heat must be gradually decreased to the atmospheric temperature to minimize the internal stresses of the metal.
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Question 73 of 135
73. Question
The D, div-1 substances in WHMIS classifications are:
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Question 74 of 135
74. Question
The ____ pipe bend is referred to as the throat.
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Question 75 of 135
75. Question
The Pipe Fabrication Institute specifies cold bending requires the material to be bent at or below 56 °C less than the ____.
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Question 76 of 135
76. Question
On a hydraulic circuit some threaded connections use separate devices for a hydraulic seal, what does it rely on the screw thread for?
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Question 77 of 135
77. Question
A resistor of 6 ohms is connected to a 36 volt supply. Calculate the current flowing through the resistor.
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Question 78 of 135
78. Question
In which situations would a boom truck be your best option?
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Question 79 of 135
79. Question
What does it indicate when a electric crane has a rating of F?
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Question 80 of 135
80. Question
What is the volt supply of a circuit with a resistor of 10 ohms and a current in the circuit of 4.5 amperes?
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Question 81 of 135
81. Question
What are some advantages of a wall-hung direct vent boiler? Select all that apply (3/5)
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Question 82 of 135
82. Question
A ____ consists of a tube closed at one end and mounted in the process stream
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Question 83 of 135
83. Question
____ are cylindrical fittings used to protect temperature sensors installed in industrial processes.
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Question 84 of 135
84. Question
What is a thermowell?
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Question 85 of 135
85. Question
One disadvantage of a(n) ____ heating system is that the last heating unit receives cooler water.
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Question 86 of 135
86. Question
One of the operational differences between a rotary pump and a reciprocating pump, is a rotary pump has a ____.
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Question 87 of 135
87. Question
Backflow problems in boilers can be caused by:
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Question 88 of 135
88. Question
A rotary screw pump would be the preferred choice to be installed in which of the following operating environments? Select all that apply (3/5)
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Question 89 of 135
89. Question
The ____ pump would typically be installed in a heavy oil pipeline, hydraulic elevator, or machinery lubrication.
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Question 90 of 135
90. Question
What does a variable displacement pump use to pump fluids?
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Question 91 of 135
91. Question
What can changing the driver installed in a pump do for the performance of the pump?
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Question 92 of 135
92. Question
How does a circulation pump operate?
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Question 93 of 135
93. Question
What information for the boiler do you need to get from the manufacturer’s recommendations?
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Question 94 of 135
94. Question
What should be installed on the highest point of a hot water heating system?
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Question 95 of 135
95. Question
What information can be found on the label for a boiler? Select all that apply (3/5)
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Question 96 of 135
96. Question
Variable displacement pumps include which of the following designs? Select all that apply (4/5)
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Question 97 of 135
97. Question
A mixed, axial, peripheral and radial flow pump are all examples what?
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Question 98 of 135
98. Question
What would be the most probable cause of a pressure relief valve lifting in a boiler?
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Question 99 of 135
99. Question
Tubing can be categorized with which of the following variables? Select all that apply (3/5)
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Question 100 of 135
100. Question
Material type, outside diameter and wall thickness are all factors used for the categorization of ____.
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Question 101 of 135
101. Question
According to ASME what is required of pressure equipment to meet their code?
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Question 102 of 135
102. Question
The type of heat exchanger material installed is one of the methods of classification for ____.
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Question 103 of 135
103. Question
What would you call a pump that operates above 12 ft of head pressure?
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Question 104 of 135
104. Question
The main purpose of a ____ valve is to prevent unauthorized personnel from inadvertently altering the settings.
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Question 105 of 135
105. Question
What type of valve is used to prevent unauthorized individuals from manipulating the settings.
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Question 106 of 135
106. Question
What occurs when hard water is heated above 148 °C?
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Question 107 of 135
107. Question
What does an anchor do on a piping system?
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Question 108 of 135
108. Question
Where would it be required to use a Class III snow melt system? Select all that apply (4/5)
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Question 109 of 135
109. Question
When would you most likely use a gimbal expansion joint in a piping system?
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Question 110 of 135
110. Question
Finned tube heating units are also referred to as which of the following? Select all that apply (3/5)
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Question 111 of 135
111. Question
A finvector, wall fin and finned convector are all names for what?
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Question 112 of 135
112. Question
What is the cause of a piping system expanding after being put into service?
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Question 113 of 135
113. Question
What would be a potential problem when using a scissor loop expansion control assembly on a piping system?
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Question 114 of 135
114. Question
Which of the following are examples of heat exchangers? Select all that apply (3/5)
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Question 115 of 135
115. Question
What is the volume of a sealed drum that has a mass of 92 kg and requires a minimum of an additional 4610 kg to sink when floating in water?
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Question 116 of 135
116. Question
The expansion control system of a hairpin loop will produce ____ at the anchor points when compared to other systems like a expansion joint or bellows joint.
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Question 117 of 135
117. Question
Which of the following operating temperatures should be considered during the installation of single sleeve expansion joints? Select all that apply (3/5)
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Question 118 of 135
118. Question
The lowest operating temperature, the highest operating temperature and the installation temperature should all be considered when referring to pipe movement in:
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Question 119 of 135
119. Question
On hydronic systems relief valves are installed to perform which of the following operational functions? Select all that apply (3/5)
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Question 120 of 135
120. Question
What type of valve can compensate for an increased pump head and provide a bypass for excess water on a hydronic system?
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Question 121 of 135
121. Question
A quick closing valve can be the cause of ____.
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Question 122 of 135
122. Question
What type of circulating pump body is recommended to be installed in heating systems where the water has a high composition of oxygen present.
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Question 123 of 135
123. Question
Baseboard heating systems include which of the following components? Select all that apply (3/5)
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Question 124 of 135
124. Question
A bracket, damper, and element are all components in what type of heating system?
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Question 125 of 135
125. Question
What type of surface is the best absorber of radiant energy?
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Question 126 of 135
126. Question
Water expands 7.5% when it changes from a ____.
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Question 127 of 135
127. Question
In a piping system operating under vacuum conditions, ____ will still transfer heat energy through the system.
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Question 128 of 135
128. Question
335 kJ/kg is the latent heat of fusion of ____.
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Question 129 of 135
129. Question
335 kJ/Kg is the latent heat of solidification for ____.
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Question 130 of 135
130. Question
Comparing similar sized globe and gate valves. the pressure loss in a globe valve can be ____ times greater.
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Question 131 of 135
131. Question
In the context of heat loss calculations the acronym IDT represents “____”.
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Question 132 of 135
132. Question
A temperature of 100 °C is what in Fahrenheit?
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Question 133 of 135
133. Question
If a surface contact exceeds 60 °C on a baseboard heater, what does CSA rules require to be added on?
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Question 134 of 135
134. Question
Sideways deflection is a common movement on what kind of a well supported run of pipe?
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Question 135 of 135
135. Question
Heat energy always travels from a ____ object to a ____ object.
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