SOPEEC - Standarization of Power Engineers Examination Committee

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Sample Questions - Fifth Class

(NOTE: these questions are intended as representations of the style of questions that may appear on examinations, they are not intended as study material and, as such, may not be in line with any current examination syllabus)

1.	A Fifth Class Power Engineer is qualified to operate steam boilers at a maximum pressure of:
	A.	100 p.s.i. (700 Kpa),	D.	1000 p.s.i. (7000 Kpa),
	B.	150 p.s.i. (1050 Kpa),	E.	any of the above.
	C.	250 p.s.i. (1750 Kpa),

	Answer: E

2.	If an employer makes application on behalf of an employee and certifies that he cannot obtain the services of a holder of a certificate of competency to cover for holidays, emergency or sick relief purposes, or to allow the employee to operate for the purposes of training, a ____________________ certificate of competency may be issued on the behalf of the employee.
	A.	Permanent,	D.	Temporary,
	B.	Daily,	E.	any of the above.
	C.	Monthy,

	Answer: D (This is an Alberta question).

3.	____________________ are the building blocks of all matter
	A.	Atoms,	D.	Protons,
	B.	Organics,	E.	Electrons.
	C.	Neutrons,

	Answer: A

4.	Calculate the cost to paint a sphere which is 12 m in diameter with one coat of paint. A litre of paint covers 8m² and costs $4.50.
	A.	$513.00,	D.	$805.82,
	B.	$256.50,	E.	$81.65.
	C.	$128.25,

	Answer: B

5.	Artificial respiration of a victim of electrical shock must be continued without interruption until the patient begins to breathe or until:
	A.	The doctor pronounces him/her dead,
	B.	A family member says it is okay to stop,
	C.	The victim dies,
	D.	You turn blue,
	E.	The plant manager tells you that you might as well give up.

	Answer: A

6.	The colour of the background for a class 'C' fire extinguisher identification is:
	A.	Red,	D.	Pink,
	B.	Blue,	E.	Green.
	C.	Yellow,

	Answer: B

7.	The probable cause of a fluorescent lamp constantly blinking is:
	A.	Alternating current,	D.	Incorrect or defective starter,
	B.	High ballast rating,	E.	High circuit voltage.
	C.	Incorrect lamp,

	Answer: D

8.	Faucets are similar in construction to ____________________valves.
	A.	Globe,	D.	Needle,
	B.	Gate,	E.	Angle.
	C.	Check,

	Answer: A

9.	The purpose of shaft sealing on a pump is to:
	A.	Keep air in the pump,	D.	Reduce the pressure on the wear rings,
	B.	Keep the packing gland cool,	E.	Maintain balanced thrust.
	C.	Minimize the fluids from leaking along the shaft of the pump,

	Answer: C

10.	The butterfly valve:
	A.	Can be used to give fine control of flow,
	B.	Is constructed so the flow of fluid passing through will change
	C.	Can open in either direction,
	D.	Has the disc parallel to the flow when it is in the open position,
	E.	Has the seat parallel to the flow.

	Answer: D

11.	The part of the boiler that has water on one side and the fire or hot gases on the other is called the:
	A.	Superheater,	D.	Uptake,
	B.	Water column,	E.	Heating surface.
	C.	Baffle,

	Answer: E

12.	Besides acting as a stay, the reason tubes in a firetube boiler are beaded over against the tubesheet is to:
	A.	Allow the flue gases to flow more freely,	D.	Keep the tubesheet in place,
	B.	Prevent the flue gases mixing with the steam,	E.	Increase heat transfer.
	C.	Prevent the tube ends from being overheated and burned,

	Answer: C

13.	A fitting which is used to show the water level in the boiler is the:
	A.	Condensate column,	D.	Steam glass,
	B.	Water gauge glass,	E.	Water column.
	C.	Boiler glass,

	Answer: B

14.	For a pump that is located above the source of supply, the pump should:
	A.	be a positive displacement pump,	D.	be equipped with a foot valve,
	B.	have more than one impeller,	E.	have a dischage check valve.
	C.	have a volute casing,

	Answer: D

15.	The burning of fuel in a furnace in order to produce heat is referred to as:
	A.	Mixing,	D.	Endothermic,
	B.	Combustion,	E.	Firing.
	C.	Burning,

	Answer: B

16.	The coal with the highest percentage of fixed carbon is:
	A.	Lignite,	D.	Sub-bituminous,
	B.	Anthracite,	E.	Bituminous.
	C.	Nova Scotia,

	Answer: B

17.	What type of signal does a controlling device react to?
	A.	Alarm,	D.	Hand,
	B.	Energy,	E.	Sensory.
	C.	Loud,

	Answer: B

18.	When the burner of a boiler remains in operation and the amount of fuel and air flowing to the burner varies as the steam pressure varies this type of control is named a:
	A.	Modulating control,	D.	Three element control,
	B.	Single element control,	E.	Proportional control.
	C.	Two element control,

	Answer: A

19.	The three main groups into which water impurities may be classed are:
	A.	Suspected matter, dissolved solids, dissolved gases,
	B.	Suspended matter, inert gases, dissolved oxygen,
	C.	Suspended matter, dissolved gases, dissolved oxygen,
	D.	Suspended matter, dissolved gases, dissolved CO2,
	E.	Suspended matter, dissolved solids, dissolved gases.

	Answer: E

20.	On high pressure boilers, the try lever test should not be done unless the boiler pressure is at least __________ percent of the normal operating pressure:
	A.	25,	D.	85,
	B.	50,	E.	Any of the above.
	C.	75,

	Answer: C

21.	An altitude pointer indicates:
	A.	The altitude of the height of land that the heating plant is built on,
	B.	The altitude of the height of water in the system above the boiler,
	C.	The altitude of the boiler in the building,
	D.	Atmospheric pressure,
	E.	Barometric conditions.

	Answer: A

22.	In residences and apartments, odours can be removed from the kitchen and bathrooms by:
	A.	A propeller fan,	D.	Odour eaters,
	B.	A turbo fan,	E.	A forced draft fan.
	C.	Filters,

	Answer: A

23.	Ventilation is required:
	A.	To provide fresh air for the occupants of the building,
	B.	To remove stale air, smoke and used air containing odours,
	C.	To prevent condensation on the walls and windows,
	D.	To ensure continuous air flow,
	E.	All of the above.

	Answer: E

24.	In a compression refrigeration system, the compressor draws:
	A.	Low temperature liquid,
	B.	Low pressure liquid,
	C.	Low pressure, high temperature vapour,
	D.	High pressure, high temperature vapour,
	E.	Low pressure, low temperature vapour.

	Answer: E

25.	Which of the following statements about central air conditioning systems is false?
	A.	They are used in large buildings,
	B.	All the major equipment is located in a central mechanical room,
	C.	Air is conditioned in the mechanical room and then distributed via duct system,
	D.	It is able to utilize large central equipment with high efficiency and low cost,
	E.	The unitary system is able to control noise and vibration better than the central system.

	Answer: E

26.	The most widely used refrigerant control which normally consists of a bellows or diaphram chamber connected to a temperature sensing bulb by means of a capillary tube is a/an?
	A.	Thermostatic expansion valve,
	B.	Automatic expansion valve,
	C.	Manual expansion valve,
	D.	Hydraulic valve,
	E.	Float valve.

	Answer: A

27.	Safety controls do not normally serve which function?
	A.	They stop operation when the temperature gets too high,
	B.	They stop operation when the pressure gets too high,
	C.	They stop operation when the temperature gets too low,
	D.	They stop operation when the temperature gets too low,
	E.	They stop operation when factors are within the operating range.

	Answer: E

28.	When lubricating equipment, the operator should check for:
		1. Unusual machine noises,
		2. Unusual consumption of lubricant,
		3. Excessive heat in the bearings,
		4. Excessive leakage of lubricant,

	A.	1, 2,	D.	1, 3, 4,
	B.	2, 3, 4,	E.	1, 2, 3, 4.
	C.	1, 2, 3,

	Answer: E

29.	Relative to dry-pipe fire system, an automatic air supply shall be connected so that proper pressure can be maintained in each system, is a statement in the:
	A.	National Fire Protection Association Code,
	B.	Industrial Accident Prevention Association,
	C.	Canadian Standards Association,
	D.	Occupational Health and Safety,
	E.	Fire Marshals Association.

	Answer: A

30.	The electrical pressure that causes current flow through a circuit is the:
	A.	Emf,	D.	Watt,
	B.	Ampere,	E.	Var.
	C.	Ohm,

	Answer: A

31.	Electrical overloads may be due to:
		1. Applying too heavy a load to an electric motor,
		2. Lightning strikes,
		3. A short circuit,
		4. Using too many devices on the same circuit,

	A.	1, 2, 3, and 4,	D.	2, and 4,
	B.	1, and 4,	E.	1, 3, and 4.
	C.	1, 2, and 4,

	Answer: A

32.	The symbols CSA, ULC, and UC placed on electrical motors and appliances are:
	A.	Advertising gimmicks,
	B.	Decals intended to give the equipment a more authentic appearance,
	C.	Only placed on electrical equipment which has passed all performance tests designed by government,
	D..	The initials of the manufacturer,
	E.	Code information for reference.

	Answer: C

Updated Jun 05, 2007