Rig Technician Exam – Red Seal

The most significant cause of ____ vibration is caused by angular misalignment.

A ____ cycle engine completes a full engine cycle in one revolution of the crankshaft.

When your body is exposed to an electrical current of 100 to 200 mA, it usually results in ____.

A bull head tee fitting has a ____ outlet larger than the ____ outlet.

A/an ____ engine will require less maintenance than a/an ____ engine of the same horse power output.

A/an ____ should be connected in parallel to the device being tested.

In context to engine oil, the temperature at which oil ceases to flow from a test tube at a 45 degree angle, is known as the ____.

On a diesel engine, the conventional ____ is designed to deliver a low-pressure and high-volume.

In most circumstances, the ____ must be shutdown prior to checking the oil level for an accurate oil level reading.

When using ____ meters in a DC circuit, polarities must be acknowledged.

The ____ around the cylinder head of a reciprocating engine improve the normal cooling action by increasing the area of the cylinder and thus provide for greater heat transfer.

A belt ____ gauge should be utilized when replacing drive belts on a cooling system to verify the required belt tension has been achieved.

When two grounding rod electrodes are installed to ground a drilling rig, they must be positioned at least ____ apart.

When utilizing a/n ____, be sure to choose one that is tall enough so the top step is not being used to stand upon.

#2D diesel fuel is considered as a ____ fuel.

When it comes to ____ engine oil classifications, the oil used in a diesel engine is commonly classified as CI.

The most common cause of ____, is the operation of a universal joint which is perfectly aligned, with a zero-degree working angle.

Cavitation is the erosion of a substance caused by the reoccurring collapse of ____.

When boosting a vehicle with a low-charge battery, the final connection should be made upon ____.

A weighted disc is utilized with the flow control valve to prevent it from ____ due to gravity circulation.

When a hydraulic component is ____, there is no hydraulic pressure within the equipment that may cause a discharge of energy.

The start motor with the higher torque output due to its displacement between the main and start winding currents, is the single phase ____ motor.

The presence of ____ smoke indicates that a diesel engine is burning oil.

A screen type diesel fuel filter would be installed in the ____.

Stress due to overheating, can cause the head of an engine to ____.

____ is the result of air in the hydraulic oil when talking about a hydraulic system.

A compressor’s intercooler reduces the amount of ____ required to compress a gas.

____ safety valves are available in sizes up to 63.5 mm.

When cleaning dry air filter elements, the dry cleaning approach is considered ____.

Which of the following can be used to decrease ignition delay in a diesel vehicle? Select all that apply (3/5)

If ____ is/are present in a compressed air system, the intake is susceptible to freezing.

When replacing belts on a drive system, worn ____ should also be replaced at the same time.

A cooling system pressure that is too high can cause ____.

Direct current is an electric current that travels in ____.

Oil ____ may occur if engine oil levels are higher than recommended.

A Class 150 iron fitting is rated for 300 psi when installed for process lines carrying fluids at ____.

The Canadian Electrical Code applies to all ____ installed on a drilling rig.

In the context of engines, the acronym “TDC” stands for ____.

Running mates are two pistons in an engine that reach ____ at the same time.

A clip-on ____ should be used by closing the jaws around one wire.

#1D diesel fuel is classified as a ____ rated fuel.

____ assemblies used on a drilling rig require precise balancing regardless of there rotational speed.

Which of the following are necessary for combustion to take place ? Select all that apply (3/5).

____ occurs in a water tube boiler when hot combustion products pass across the tubes, heating the water in the tubes.

Water contamination in oil might be indicated by a(n) ____ discolouration.

The goal of a ____ technique is to eliminate the discharge of energy to prevent equipment movement.

A(n) ____ pressure switch should be mounted in a level, vertical position.

A dial indicator can be used to check for sprocket runout on a ____ system.

A labyrinth sealed air compressor is designed to operate without a(n) ____.

The self-discharge rate of a charged lead-acid car battery is around 0.2 % of its charge per day when the battery temperature is between ____.

On a drilling rig, A Class I, ____ site, requires that a light switch must be installed in explosion proof equipment areas.

Which of the following are the basic types of positive clutches used on a drilling rig? Select all that apply (2/5).

After the startup of a(n) ____, the most prevalent problems are experienced due to improper cleaning and flushing.

A/an ____ cell within a lead-acid car battery theoretically produce up to 2.1 volts.

Typically, the final stage of a fuel filter would filter particles in the range of ____ micron.

When it comes to the cooling system of an engine, a hot engine could be an indicator of a faulty ____.

It is recommended procedure that a diesel engine be stored with ____ engine oil when it is shut down for an extended duration of time.

When the surface charge from an automotive battery is removed, the open circuit voltage of a fully charged ____ battery is roughly 12.6 volts.

A Class I, ____ area is defined as an area 3 metres above the drilling rig floor.

The ____ is the factor that is fatal in an electrical shock.

At -10 °C, a fully depleted ____ automotive battery will freeze.

When it comes to drivelines, yokes are the devices used to make connections to ____ joints.

A ____ gasket is always installed with a raised face flange.

In a diesel fuel injection system, the ____ is most frequently installed.

____ of trunnions on a universal joint are typically created by the driveline operating under very strong loads.

Mechanical energy is transferred to hydraulic energy through the ____ installed in a hydraulic system.

____ is transferred to hydraulic energy through the hydraulic motor installed in a hydraulic system.

When an air-cooled engine with the same horsepower rating is compared to a liquid cooled engine, the liquid-cooled engine will ____.

On a drilling rig, which of the following are basic types of clutches used? Select all that apply (2/5)

____ with a high viscosity index, will exhibit minor variations in viscosity as the temperature varies.

____ is an example of a naturally occurring electrostatic discharge.

____ threads are also referred as dryseal threads when used in a hydraulic system.

It is recommended on the startup of a large air compressor to unload it prior to starting to decrease the ____ and damage to the compressor.

An engine cooling system utilizes a(n) adjustable and sometimes automated ____ to regulate the airflow.

Swage threaded pipe fittings contain ____ male ends when referring to threaded pipe fittings.

Prior to shutting down a diesel engine that has been operating at full load for an extended period of time, it is recommended procedure to allow the diesel engine to ____.

____ is required PPE to protect employees from the high decibel noise levels of compressed air exhaust.

In a hydraulic system, which of the following are operational purposes of hydraulic oil? Select all that apply (3/5)

The drilling rigs draw works will most commonly utilize an air operated ____ brake system.

____ have a lower starting torque than torque converters.

The air density will ____ as the temperature ____.

On a typical driveline, which of the following components are the major wear items? Select all that apply (2/5)

In ____ weather conditions, NGLI #2 grease is one of the most commonly used lubricants for a drilling rig.

An union is a pipe fitting that allows you to make or break a ____ without requiring the rotation of the pipe

Mechanical energy is converted to hydraulic energy through the ____ installed in a hydraulic system.

Mechanical energy is converted to ____ through the hydraulic pump installed in a hydraulic system.

One of the fundamental differences between a diesel engine and a gasoline engine, is a diesel engine draws ____ into the cylinder.

The viscosity of a liquid is a measurement of its ____.

A slow charger is suggested for charging an automobile type ____ battery to 100 percent charge.

Hydraulic energy is converted to linear motion through the ____ installed in a hydraulic system.

Hydraulic energy is converted to ____ through the hydraulic cylinder installed in a hydraulic system.

The cooling system installed in a heavy-duty diesel engine dissipates about ____ of the heat produced from combustion.

In hydraulic systems, the term “National Pipe Thread Fuel” is represented with the following abbreviation ____.

It is recommended procedure that the Eaton brake be ____ while the blocks are travelling up the derrick.

The watertube boiler is well suited for installations where there is large ____ fluctuations over an extended duration of time.

When installing a ____ on a boiler system, it should be set to operate at a pressure lower than the maximum allowable working pressure (MAWP).

The low water cut-off installed on an automatically fired hot water heating boiler cuts off the ____ to the boiler when it is energized.

On a diesel fuel system without a hand transfer pump installed, it is recommended procedure that the fuel filter be filled with fuel prior to installation when changing a(n) ____ type fuel filter.

The boiling point of a liquid ____ as the liquids pressure ____.

The ____ connection of a plug is indicated by a green terminal.

Which of the following methods are used to categorize steel tubing fittings? Select all that apply (2/5)

On a drilling rig, the hydraulic systems normal operating pressures is in the range of ____ psi.

In the context of compressed air systems, the acronym FRL stands for ____.

Leaks can be a significant source of wasted energy in an industrial compressed air system, sometimes wasting ____ of a compressor’s output

Cold cranking amps the battery amperage delivered at -18 °C for ____ seconds while maintaining a 1.2 volt terminal voltage per battery cell.

If the ____ of a diesel truck are worn, it will emit blue smoke.

In the content of lubricant types and grades, the National Lubrication Grease Institute is represented with the following acronym.

The spin-on style of fuel filter is ____.

The internal ____ of hydraulic hoses is used to size them.

When lead-acid cells are connected in ____, the batteries power is increased.

The purpose of a low air pressure cut-off switch is to cut the ____ supply when there is insufficient combustion air.

The substance that passes through the tubes is the primary distinction between a ____ and a watertube boiler.

A swollen and soft ____ is the probable result of the belt being exposed to too much grease and oil.

____ inhibitors are added to engine lubricants to prevent oxygen being absorbed by the oil.

A trunnion is the bearing surface of a driveline ____ joint.

____ scales are used in ohmmeters.

The component of a three-phase induction motor which ____, is the rotor.

The fuel line downstream of a diesel storage tank to the ____ is referred to as the low-pressure suction line.

SI stands for ____ in gasoline engines.

When the needle on a meter ____, it signifies the meter is linked to the reverse polarity.

The term ____ refers to rate of oil viscosity change as the temperature changes.

Fittings, pipes, and valves containing water, oil, and/or gas are marked by the abbreviation ____.

Which of the following may cause oil whirl on a bearing? Select all that apply (4/5)

The primary fuel filter is installed on a diesel fuel supply system to the stationary engine, to remove ____ from the fuel?