3A-2

ASME-approved shops undergo regular intensive inspections by inspectors employed by ASME. a. True b. False

A

Generally, in gate valves, the parts most severely worn are the discs and seats. a. True b. False

A

Occupational health and safety legislation provides standards for the protection of workers' health and safety. a. True b. False

A

Transformers are used for: 1) Stepping up AC voltage 2) Stepping down AC voltage 3) Transforming AC voltage to DC voltage 4) Rectifying DC voltage to AC voltage a. 1, 2 b. 1, 2, 3 c. 1, 2, 4 d. 1, 3, 4 e. 1, 2, 3, 4

A

A microprocessor is an integrated circuit that fits on a single chip. It contains: 1) Arithmetic unit 2) Control circuitry 3) Time clock 4) Memory registers 5) Historic data a. 1, 2 b. 1, 3 c. 1, 2, 4 d. 2, 3, 4, 5

C

Fire protection of large outdoor fuel tanks requires that several foam chambers with foam-makers be installed at equally spaced positions slightly below the _______ of the tanks. a. bottom b. middle c. top rim d. center

C

Fixed ______ sprays are designed specifically to provide optimum control, extinguishment, or exposure protection for special fire protection problems a. foam b. gas c. water d. purple K

C

As soon as you notice a fire, your first reaction should be to: a. Fight it b. Contain it c. Get help d. Secure expensive equipment e. Sound an alarm

E

What are some examples of Class A hazards? a. Working under a suspended load. b. Working in an excavation that is improperly shored or cut back. c. Working in a confined space without proper protective equipment, or using proper procedures. d. Working without a fall-arresting device when required. e. All of the above

E

What is the most common frequency of AC generators in North America? a. 40 hertz b. 120 hertz c. 110 hertz d. 55 hertz e. 60 hertz

E

A continuous air supply is provided to the differential pressure transmitter so that the level of liquid in the tank can be converted into a constant proportional air signal. a. True b. False

A

A lagging current means: a. Voltage peaks before the current b. The current is less than the voltage c. The current peak precedes the voltage peak d. Voltage and current are in phase e. The residual current is less than the voltage

A

A second stator ground fault will cause extensive damage by: 1) Shorting out parts of the field winding 2) Causing high unit vibrations 3) Causing rotor heating from unbalanced currents 4) Arc damage at the points of the fault 5) No real damage at all 6) Cause the generator to produce single phase power a. 1, 2, 3, b. 1, 2, 3, 4, 5 c. 1, 2, 3, 4, 5, 6 d. 4, 5, 6

A

ASME Boiler and Pressure Vessel Code Section I applies to the Boiler proper and the boiler "external piping". Super heaters, economizers and other pressure parts connected directly to the boiler. a. True b. False

A

According to Ohm's Law __________________________. a. if you raise E, I will go up b. if you raise E, I will go down c. if you raise R, I will go up d. if you lower R, I will go down e. if you raise I, R will go up

A

All incidents must be reported, so that circumstances surrounding the event will be communicated, and similar incidents can be prevented. a. True b. False

A

An operator must isolate all equipment, such as pumps, before maintenance is started. All switches must be locked open, at the source of the power. a. True b. False

A

An orifice plate is the most common form of restriction that is used in flow measurement. a. True b. False

A

As a worker, the Occupational Health and Safety Act requires you to work safely and ___________ with your employer by following the health and safety rules for the job. a. co-operate b. coordinate c. initiate d. amend

A

As employers and workers, you share the responsibility of ensuring a safe, healthy and productive workplace. a. True b. False

A

Auto-transformers _______________________________. a. can use less copper b. use more copper c. have large ratios of transformation d. use two windings for primary and secondary circuits e. have a lower ratios of transformation

A

Balance valves have nearly the same pressure on the top and bottom of the valve plug. This greatly reduces the mechanical effort required to move the valve or to hold it in a steady position. a. True b. False

A

Bellows type elements are generally used to measure pressures below 350 kPa. a. True b. False

A

Blanking or blinding means the absolute closure of adjacent piping, by fastening across its bore a solid plate or cap that completely covers the bore and that is capable of withstanding the maximum pressure of the adjacent piping. a. True b. False

A

CSA B51 establishes that every boiler, pressure vessel, safety valve, relief valve, safety relief valve and rupture disc shall be stamped with an ASME Code Symbol Stamp. a. True b. False

A

Describe A, B & C Phases in a three phase generator. a. These are an indication of the AC current, expressed in amps, being produced by the three-phase generator. b. This is a meter that measures and records the amount of power produced by the generator. c. This gives an indication of the DC voltage that is being supplied to the generators field windings. d. This is a measurement of the reactive power being generated by the AC generation system.

A

Describe Diaphragm Valve applications. A. Flow control service when handling corrosive and toxic fluids. B. Used extensively in raw water treatment plants, in sulfuric acid applications. C. A stream lined valve for installation in small places. D. Generally in services where bubble-tight or drip-tight closure is mandatory. E. Mostly used for boiler feed water ingestion. a. A, B, D b. A, B, C, D c. A, B, E d. B, C, D, E

A

Describe the purpose of the AC kilovars meter. a. This is a measurement of the reactive power being generated by the AC generation system. b. This gives an indication of the DC voltage that is being supplied to the generators field windings. c. This is an indication of the AC voltage, expressed in volts, which is being produced by the three-phase generator. d. This is a measurement of the reactive power being generated by the AC generation system.

A

Describe the purpose of the power factor meter. a. This is a meter to check the power factor of the generating system. b. This is a meter that measures and records the amount of power produced by the generator. c. This gives an indication of the DC voltage that is being supplied to the generators field windings. d. This is a measurement of the reactive power being generated by the AC generation system.

A

Emergency preparedness means having plans in place in the event of an emergency. a. True b. False

A

Emergency response and contingency planning is utilized to minimize the effects of an emergency situation. a. True b. False

A

Entry into a Confined Space, which contains an inert atmosphere, requires a Safe Work Plan approved by the Division Manager. a. True b. False

A

Examples of Class C hazards are: 1) A carpenter handling rough lumber without gloves 2) A strong rancid odor from cutting oil, circulating in the bed of a large lathe 3) Working without protective equipment 4) Working without a fall-arresting device when required a. 1, 2, b. 1, 2, 3, 4 c. 1, 4 d. 1, 3, 4

A

Excitation of the shunt field is controlled by? a. A regulating rheostat b. A mechanical governor c. A converter d. A long shunt e. A short shunt

A

Expansion loops are common on pipe racks with long runs of pipe. a. True b. False

A

Fixed water spray systems are most commonly used to protect equipment from exposure fires in flammable liquid and gas tankage, piping, and equipment. a. True b. False

A

Float-operated level measurement devices are what? a. Direct type b. Indirect type c. Pressure sensing type d. Pneumatic type e. Temperature sensing type

A

Foam-Water Sprinkler Systems is used in areas where flammable and combustible liquids are processed, stored, or handled; a water discharge may be ineffective for controlling or extinguishing fires. a. True b. False

A

Globe valves are used for: A. Throttling B. Controlling fluid flow C. Positive isolation D. Quick opening E. Abrasive fluids a. A, B b. A, B, C c. A, B, C, D d. A, B, C, D, E

A

Globe valves have the largest pressure drop or head loss of the valve types a. True b. False

A

High performance butterfly valves have an eccentric shaft mounting allowing the disc to swing clear of the seal to minimize wear and torque. a. True b. False

A

Hydrant spacing is usually determined by the fire flow demand established on the basis of the type, size, occupancy, and exposure of structures. a. True b. False

A

If a conductor is moved relative to a magnetic field so as to "cut" the magnetic flux then an ________ will be induced in the conductor. a. emf b. current c. reluctance d. back emf e. inductance

A

If the current in the conductor is reversed, or if the direction of the main field is reversed, then the force on the conductor will be reversed. a. True b. False

A

If the resistance of a circuit is decreased to 1/4 of its original value, what circuit change can be made to maintain the original circuit current? a. The voltage would be 1/4 of original. b. The voltage would be 4 times original. c. The voltage would be 1/2 of original. d. The voltage would remains constant. e. The voltage would be doubled.

A

Impedance is_____________________________. a. the combined effect of reactance and resistance b. the lesser of capacitive reactance and inductive reactance c. measured in ohms d. current divided by voltage e. the combined effect of inductance and conductance

A

In a direct-operating valve, the solenoid plunger is used in place of a valve stem and hand-wheel. The plunger is connected directly to the disc of a globe valve. As the solenoid coil is energized or de-energized, the plunger rises or falls, opening or closing the valve. a. True b. False

A

In a purely capacitive AC circuit the current _________________. a. leads the voltage by 90 degrees b. is out of phase by 45 degrees c. can lead or lag voltage d. lags voltage by 90 degrees e. is in phase with voltage

A

In a shunt motor torque is proportional to _________________. a. the armature current b. the armature voltage c. the square of the armature current d. the length of the armature e. the diameter of the armature

A

In a shunt motor, if the field becomes disconnected during operation the motor will _______________. a. over speed b. under speed c. slow down d. stop e. not change

A

In a variable frequency driver, in general, the percentage drop in frequency is proportional to the percentage drop in motor speed. For example, an induction motor rotates at 1725 r/min when supplied with ac power at 60 Hz, will operate at 1581 r/min. a. True b. False

A

In order to accomplish this warm up in 20 minutes, the condensate rate /h would be: a. 308.67 kg/h b. 125 kg/h c. 254 kg/h d. 132 kg/h

A

In order to determine the correct size of the trap for an application, it is necessary to calculate the condensate load to be removed by the trap, per hour. a. True b. False

A

In some systems where the temperature from one condensate stream is ___________ than ______________, a small ____________________ is used to ________ the cooler condensate. a. much cooler, another stream, steam heat exchanger, heat up b. hotter, water, steam injection, change c. colder, steam, temperature gauge, measure d. smaller, the other, time count, blend

A

Increasing the number of corrugations in a bellows type element ________. a. increases the travel of the bellows b. decreases the travel of the bellows c. reduces the pressure that bellows can be exposed to d. increases the pressure that bellows can be exposed to e. does not change the operation of the bellow

A

It is very important when commissioning a piping system to be aware of the piping expansion. A very close watch must be kept on piping anchors and expansion joints. a. True b. False

A

It should be the duty of the safety committee to ensure that all new employees are instructed on safety rules. a. True b. False

A

Line impedance starters __________________________. a. use resistors or inductors in series with each phase in order to reduce the starting current b. open relays for starting c. reverse the polarity d. increase the conductance for starting e. increase the line frequency

A

Loop alarms are devices that signal the existence of an abnormal condition by means of an audible or visible discrete change, or both, intended to attract attention a. True b. False

A

Maximum temperature of fluids handled must be below the temperature limit for the diaphragm material. a. True b. False

A

Modern transformers are very efficient devices with large industrial transformers often better than 95% efficient. a. True b. False

A

Nonferrous metals are those containing very little or no iron, such as red brass, admiralty brass, aluminum brass, copper silicon and copper nickel alloys. a. True b. False

A

PLCs retrieve information from a process, and based upon the information at a particular point in time, generate a control signal. a. True b. False

A

PVC pipe is commonly used for ________________. a. potable water applications b. underground fuel gas distribution c. gravity and pressurized drainage systems d. instrument air tubing e. small bore hydrocarbon piping

A

Plastic materials are limited to 1000 kPa and 60°C, for water service. For other services, pressure and temperature limits shall be based on the hazards involved, but in no application shall they exceed 1000 kPa and 60°C. a. True b. False

A

Pneumatic or hydraulic piston actuators are used when the force required in moving a valve or a damper is higher than that which can be provided by a diaphragm actuator. a. True b. False

A

Process parameters such as temperature, pressure, and flow require continuous measurements in real time. If review of the measurements is desired, provision must be made to capture the parameters with respect to time. a. True b. False

A

Ratio control is often associated with process operations when it is necessary to continuously mix two or more streams together in order to maintain steady composition of the resulting mixture. a. True b. False

A

Regarding a mixing valve, when the plug is fully down then the bottom inlet is open. When the plug is fully raised, the side inlet flow is shut off. a. True b. False

A

Reset on integral time can be varied by manipulating the integral adjustment valve. a. True b. False

A

Rotary type positive displacement meters are independent of temperature, pressure and specific gravity. a. True b. False

A

Series motor speed, a DC motor only takes the amount of current it requires to handle the load it is driving. Hence, the current is very low, and as the speed is inversely proportional to the field flux, the speed can become dangerously high. For this reason the series motor must never be operated without a load. a. True b. False

A

Smart transmitters transmit process information in either a digital or the 4 - 20 milliamp analog format. They can be re-zeroed and rearranged remotely, using a hand-held calibrator. a. True b. False

A

Some of the characteristics of the series direct current motor include: 1) A small current at no-load conditions 2) The danger of overspeed as the load is removed 3) The load current equals the excitation current 4) Its speed is directly proportional to field flux a. 1, 2, 3 b. 2, 3, 4 c. 1, 3, 4 d. 1, 2, 4 e. 1, 2, 3, 4

A

Standpipe systems are used in buildings over ________ in height, since that is the practical limit for firefighters to couple hose together from the pumper truck at street level up the stairways to the fire floor. a. 3 stories (14 metres) b. 2 stories (12 metres) c. 15 stories ( 75 metres) d. 10 stories (50 metres)

A

Standpipes for risers of less than 30 m are usually NPS 102 mm pipe, over 30 m, the pipe is usually NPS 152 mm. Where a building has a high level fire zone; that is, floors more than 85 m above street level, then the riser to these higher floors is usually NPS 203 mm. a. True b. False

A

Synchronous motors _____________________________. a. require DC power supply to the rotor b. require DC power supply to the stator c. require a high slip to control speed d. require a starting motor e. are self-starting

A

Synchronous motors are started by ____________________. a. the amortisseur winding b. the shunt winding c. the capacitor d. the delta winding e. the waye winding

A

The Wheatstone bridge accurately measures? a. Resistances b. Voltage c. Watts d. Current e. Inductance

A

The Workplace Hazardous Material Information System (WHMIS) is a nationwide system to provide information on hazardous materials used in the workplace. a. True b. False

A

The armature of a DC generator is wrapped with field windings. a. True b. False

A

The autotransformer is used to step down voltage, the entire winding acts as the primary and part of the winding acts as the secondary. The action of the autotransformer is similar to the two winding transformer. a. True b. False

A

The best method of synchronizing an alternator to a system is ____________________. a. by using the synchroscope b. by using the dark lamp c. by using one dark, and two bright rotating brushes d. by using the phase indicator e. by using all dark rotating brushes

A

The butterfly valve is often used as a final control element in ____ or large ______ piping systems. a. air, water b. gas, bore c. water, diameter d. oil, fluid

A

The change in length of the pipe due to the change from out-of-service temperature to in-service temperature may be calculated by considering the coefficient of linear expansion of the pipe material and the length of the pipe. a. True b. False

A

The coefficient of expansion of aluminum is higher than copper. a. True b. False

A

The control loop is made up of four basic functional blocks: 1) Process 2) Process Variable 3) Measurement 4) Automatic controller 5) The final control element a. 1, 3, 4, 5 b. 3, 4 c. 1, 2, 3 d. 1, 2, 3, 4, 5

A

The controller uses an operational amplifier to perform a mathematical summation, in order to compare the input signal (process variable) with a setpoint that is established by operations personnel. If the process is not at the set value, the mathematical functions present in the controller will produce an output signal that will correct the process. a. True b. False

A

The conventional disc globe valve is fairly ________ and popular in low-pressure service where severe __________ is not required. a. cheap, throttling b. small, space c. expensive, temperature d. reasonable, costs

A

The difference between feedback and feedforward control is apparent. Feedback control works to eliminate errors, whereas feedforward control operates to prevent errors from occurring in the first place. a. True b. False

A

The difference between feedback and feedforward in a controller is; Feedback control works to eliminate errors, where feedforward control operates to prevent errors from occurring in the first place. a. True b. False

A

The displacement between the centers of adjacent poles in an armature is ____________. a. one pole pitch b. 360 electrical degrees c. 180 mechanical degrees d. 90 electrical degrees e. 120 electrical degrees

A

The environment determines whether to use aluminum or stainless steel cladding. If metal cladding is used in a chemical installation where there are caustic lines, the insulation is covered or wrapped with stainless steel. This is done to prevent damage to the covering in the event of a leak or spill. a. True b. False

A

The first dry chemical fire-extinguishing agent to be formulated was based on sodium bicarbonate. a. True b. False

A

The gate valve, consists of a gate-like ______, actuated by a screwed stem and hand wheel, which moves up and down at _________ ________ to the flow. a. disc, right angles b. stopper, close proximity c. metal, slow speed d. device, more distance

A

The magneto motive force in a magnetic circuit has its equivalent in an electric circuit which is the _______. a. voltage b. magnetic flux c. electric current d. reluctance e. inductance

A

The main function of a power distribution system is to provide electrical power, for whatever need, in a safe and dependable manner. a. True b. False

A

The major advantage of plastic pipe is its resistance to corrosive materials and its ease of installation. a. True b. False

A

The majority of final control elements are, and will continue to be ____________________. a. control valves b. microprocessors c. hand held computers d. globe valves

A

The manner in which the terminal voltage varies with a varying load current is called the ___________. a. percentage voltage regulation b. external characteristic c. internal characteristic d. no-load characteristic e. full-load characteristic

A

The measurement and control components of the system are distributed at locations throughout the process area and perform two functions at each location: 1) The measurement of analog and/or digital inputs 2) Control globe valves 3) View information transmitted from the processing area on an output device such as a video monitor 4) Generation of output signals to actuators that can change process conditions. a. 1, 4 b. 1, 2, 4 c. 3, 4 d. 1, 2, 3, 4

A

The most common type of rotor used in induction motors is the squirrel cage rotor. a. True b. False

A

The most undesirable feature of the orifice plate is the high permanent pressure loss that is created due to the turbulence in the flow across the orifice plate. a. True b. False

A

The operator interface unit allows operating personnel and process control engineers to alter the setpoint at which the process is controlled. a. True b. False

A

The optical pyrometer operates on the principle that the color of a hot object is a measure of its temperature. a. True b. False

A

The permit is handed back to the issuer at the end of the shift or when the work is completed. a. True b. False

A

The power source must maintain a potential difference _____________________. a. between two points b. across the emf c. across the short circuit d. within the load e. between the prime mover and generator

A

The proper design of the trap and condensate return system is critical in preventing water hammer in a condensate system. a. True b. False

A

The smart transmitter is really a digital device, containing an on-board ___________ complete with memory. a. microprocessor b. calibrator c. video d. process variable

A

The stator of the induction motor is identical to that of the three-phase alternator. a. True b. False

A

The three methods of welded pipe manufacture are: the electric fusion method, the electric resistance method, or the double submerged-arc method. a. True b. False

A

The two most common reasons to active an ESD's are: 1. Shutdown and isolate rotating equipment 2. Shutdown and depressure a. True b. False

A

The two most common types of trenching used are ________ cut with shoring and __________ cut with proper slopes on the side to protect the workers in the trench. a. straight, open b. stager, slope c. shore, slope d. bridge, open

A

The type of work permit required is determined by the nature of the work and the _________ that must be eliminated or controlled. a. hazards b. environment c. conditions d. Safety factor

A

There are two broad classifications of plastic piping materials. They are Thermoplastics and Thermosets. Thermoplastics will soften when heated, allowing for shaping and forming. Thermosets will not soften when heated. They will start to decompose if heated too high. a. True b. False

A

There are two types of fire hydrants in general use today the ___________ and the ____________. a. dry barrel, wet barrel b. long barrel, short barrel c. red color, lime green color d. stubby mount, flush mount

A

There is always a risk of an emergency, no matter how complete the ____________. a. safety program b. emergency procedures c. fire detection d. process design

A

To take an alternator off the line in a system involving two or more alternators, the driving torque of the prime mover of the alternator to be removed should be reduced until it is supplying no current to the busbars. a. True b. False

A

Unsafe Acts These are acts committed by persons that may endanger the worker or his fellow-workers. a. True b. False

A

Unsafe Conditions These are conditions in the workplace that may endanger the worker or his fellow-workers. Many unsafe conditions are the result of unsafe acts. a. True b. False

A

Variables effecting material selection are: A. The process fluid and its temperature. B. The pressure range that the system will operate in. C. The ambient temperature. D. If the process fluid is very corrosive. a. A, B, D b. A, B, C, D c. A, B d. B, C, D

A

What are the advantages of electrical valve operators? 1) Can be set up for operation from several different locations; remotely operated. 2) Remote indicating devices can be installed to show the position of the valve at any operating station. 3) Valve operating speeds (to close the valve) from two seconds for some units, to four minutes can be reached. 4) Valves can be operated without personnel having to climb ladders or enter dangerous locations. a. 1, 2, 3, 4 b. 2, 3, 4 c. 3, 4 d. 4

A

What checks will be made to ensure a line is completely drained of condensate? - A. Make sure that the line is completely blocked in at both ends - B. Slowly open each low point drain on the steam line. Be sure the drain lines are free and clear of any blockage - C. Open downstream flange - D. Check that each trap is in service - E. Ensure all condensate has been drained from the pressurized side of the steam supply valve a. A, B, D, E b. A, B, C, D, E c. A, B, E d. A, B

A

What is the role of Communications officer? a. Is responsible for activating all communication systems and maintaining a communications log. It could be a senior secretary or administrative assistant. b. This is an individual who is normally on site and familiar with the operations at the facility. It might be the shop supervisor or operations foreman. c. Is responsible for carrying out the response actions at the emergency, under the direction of the OSC. d. Is responsible for ensuring security of the site and safety of personnel.

A

What is the yoke in a DC machine is usually made of? a. Steel b. Copper c. Aluminum d. Insulation e. Semi-conducting materials

A

When diaphragms are used as sensing devices to measure level the low-pressure side is filled with a sealing fluid. a. True b. False

A

When high starting torque is desired a _____________ DC motor is best. a. Series b. Shunt c. Compound d. Three phase e. Manual start

A

When lockout of energy isolating devices is required, the devices must be secured in the safe position using locks in accordance with procedures that are made available to all workers who are required to work on the machinery or equipment. a. True b. False

A

When you are synchronizing an electrical generator and the synchronizing lamps are dark, you _________. a. should have higher voltage ratings than the line system b. have lower voltage rating c. have two or more lamps connected in parallel d. should have colored glass e. should have higher current ratings than the line system

A

Where a large starting torque is of prime importance the DC motor to use would be the _________________. a. Series b. Long-shunt c. Short-shunt d. Compound e. Cumulative compound

A

Which best describes a spring-loaded diaphragm actuator? a. It a diaphragm and a diaphragm plate connected to an actuator stem. b. The adjusting spring allows external setting or adjustment of the initial spring compression. c. Has no springs and are often used in applications requiring a valve positioner. d. Are employed in small size systems where on and off operation is required.

A

With regards to low carbon steel, graphitization is the breaking down of part of the material into iron and graphite, and failure of the material will occur along lines where there is a concentration of graphite. a. True b. False

A

Fluid friction loss and pressure drop are inherent losses that are responsible for a major portion of the total energy loss in many fluid-handling systems. a. True b. False

A!!!!!!!!!!!!!!!!

A WHMIS label on a controlled product is designed to _____ employers and workers to the hazards of the product and the precautions to be taken with it. a. train b. alert c. assist d. help

B

A conductor's resistance to current flow is dependent on the following factors. a. Weight, length, diameter and temperature. b. Type of material, length, diameter and temperature. c. Weight, type of material, length and diameter. d. Weight, type of material, length, diameter and temperature. e. Weight, type of material, length and temperature.

B

A dual supply system is one in which two independent power lines are used to __________ the same load. a. make b. supply c. balance d. carry

B

A simple electric circuit consists of _________________. a. source, load, resistance b. conductor, load, source c. current, resistance, conductor d. voltage, current, conductor e. voltage, inductance, conductance

B

A smoke detector will detect most fires much more ______ than a heat detector. a. slowly b. rapidly c. accurately d. inaccurately

B

An __________ is any cut, cavity, trench or depression in the earth's surface where rock or soils are removed. a. confined b. excavation c. hot work d. trench

B

An absolute pressure gauge uses a/an _____ to sense the pressure. a. diaphragm b. bellows c. bourdon tube d. spiral Bourdon tube e. orifice plate

B

An automatic shutdown is controlled by either the: 1) Central computer system 2) Operator 3) Programmable logic controller 4) Project engineering a. 1, 2 b. 1, 3 c. 1, 3, 4 d. 1, 2, 3, 4

B

As the flux of a shunt motor remains constant its torque is ________________________. a. inversely proportional to armature current b. proportional to armature current c. increased d. decreased e. unchanged

B

Bimetal thermometers consist of two thin metal strips bonded together. The metal strips welded together must have a small difference in their coefficient of expansion. a. True b. False

B

Cartridge fuses are used on circuits with voltage ratings up to ____ volts, the standard voltage ratings of these fuses being ____ and ____ volts. a. 110, 50, 110 b. 600, 250, 600 c. 24, 5, 24 d. 110, 220, 110

B

Combination locks __________ be used for lockout. a. can be b. must not c. on occasion d. sometimes

B

Consider all circuits to be alive unless one is certain that they are _____ and cannot, by some human error, be made _____. a. isolated, connected b. dead, live c. not, open d. 220 V, 110 V

B

Control valves are responsible for providing process changes by manipulating fluid flow in a pipeline. They are called a "Primary Control Element" (PCE), as they are the final devices that the controller uses to affect corrective action to the process. a. True b. False

B

Deluge systems are intended to deliver _____ quantities of water over a ______ area in a relatively short period of time. a. small, large b. large, large c. small, small d. large, small

B

Describe Kilowatt hours meter. a. This is an indication of the AC kilowatts that the generator is producing. b. This is a meter that measures and records the amount of power produced by the generator. c. This gives an indication of the DC voltage that is being supplied to the generators field windings. d. This is a measurement of the reactive power being generated by the AC generation system.

B

Describe exciter field current meter. a. This is a meter that measures and records the amount of power produced by the generator. b. This gives an indication of the DC current that is being supplied to the generators field windings. c. This is a measurement of the reactive power being generated by the AC generation system. d. This is a measurement of the reactive power being generated by the AC generation system.

B

Describe the diverter valve operation. a. Moving the valve stem varies the proportion of liquid or gas entering each of the inlets. There is a continuous flow from the outlet regardless of the valve plug position. b. The inlet pressure acts equally on both valve plugs, reducing the force needed to move the valve stem. An unbalanced force will be produced if one discharge line has a higher pressure than the other discharge line. c. When the plug is fully down, the bottom inlet is shut off. When the plug is fully raised, the side inlet flow is shut off. Any intermediate position proportions the two inlet flows to meet the operating needs. d. The valve may maintain a constant level of fluid in a vessel, but if the inlet flow is too high when the level is maximum, the excess input can be diverted to another vessel.

B

Describe the purpose of the voltage adjust. a. This is to adjust the generator output voltage. b. This is to adjust the generator excitation voltage. c. This is to adjust the generator output phase voltage. d. This is to adjust the generator output current.

B

Diaphragm valves have three basic parts: the valve ___, the valve ___ assembly, and the flexible disc or ___. a. actuator, stem, body b. body, bonnet, diaphragm c. body, seat, packing d. inlet, outlet, seat

B

Double Bourdon tube gauge is used to measure vacuum only. a. True b. False

B

Dry chemical fire extinguishing agents: a. Alter the vapor phase concentration of the fuel oxidizing agent. b. Stop the chemical chain reaction sequence associated with fire. c. Cool the fuel/oxidizing agent mixture below the ignition temperature of the fuel. d. Place a barrier, or effective separation, between the fuel and the oxidizing agent (usually air).

B

Entry and exit steps should be cut into the wall of the trench or a ladder provided so that at least one meter protrudes above the top of the trench on the downwind bank. a. True b. False

B

Excess power results in an _____ _____ condition with a possible overvoltage from reduced load demands. a. under frequency b. over frequency c. surge like d. over excitation

B

Filled thermal elements ____________. a. always contains a liquid b. may be filled with a liquid or gas c. are always filled with mercury d. are always completely filled with a gas e. may be used with the bi-metal strips

B

Fire detection provisions are not needed so that automatic or manual fire suppression can be initiated. a. True b. False

B

Foam systems are used where flammable liquid fire protection is required for permanently installed hazards, such as fuel storage tanks or dip tanks containing flammable or combustible liquids, ___________ and distributing devices are installed internally in the tank. a. spray b. air-foam-generating c. extinguishment d. snuffing

B

For purposes of control theory, a process can be defined as an action in which material and/or ________ is modified to a different form. a. fluids b. energy c. gas d. oil

B

Free valence electrons flow from _______ when connected to an electrical supply. a. positive to negative b. negative to positive c. positive to proton d. negative to proton e. positive to neutron

B

Gamma rays will penetrate steel up to: a. 10 cm thick b. 15 cm thick c. 20 cm thick d. 25 cm thick e. 30 cm thick

B

Gears provide a mechanical advantage permitting _____ _____ to operate the valve, where ____ might otherwise be needed. a. small people, large b. one person, two c. large valves, small valves d. motors, manual

B

High-pressure single-ported globe bodies, or plug type, are often used in production of _____ and __________. a. steam, boiler feed water b. oil, gas c. acid, caustic d. butane, propane

B

If a group of traps drain into a common return header, a check valve should be installed between the trap and the supply header. a. True b. False

B

If a lift is used, then the most common type of trap used is the Thermostatic trap. a. True b. False

B

If an ac voltage is applied to a circuit it will produce an ac current flow. If the voltage and the current reach their maximum values at the same time they are said to be ________. a. out of phase b. in phase c. AC current d. DC current

B

In a closed-loop control configuration, a measurement is made of the controlled variable, and this is compared with the desired ______ or ____ . a. output, signal b. value, setpoint c. PV, SP d. Product, material

B

In a series generator, the load current and generated voltage increase in inverse ratio to the load resistance until __________. a. the machine reaches maximum speed b. the magnetic saturation of the poles is reached c. the generator stops d. the generator reaches its maximum operating temperature e. the generator reaches its minimum operating temperature

B

In a single-phase transformer, it can be assumed that all the flux produced by the primary cuts every turn of both the primary and secondary winding, thereby inducing the same voltage in every turn. If the number of secondary turns is less than the number of primary turns, then the voltage induced in the secondary will be larger than that induced in the primary a. True b. False

B

In case of a fire the third step in the proper procedure for fighting the fire is to: a. Evacuate the building or plant b. Fight the fire c. Sound the alarm d. Call for help e. Pressurize the extinguisher

B

In large industrial settings, workers on shift will be trained in specific __________ to follow in the event of an emergency, including fire. a. positions b. assignments c. levels d. times

B

In most cases, it is desired a water spray be used to extinguish burning gases, such as LPG (Liquefied Petroleum Gas). a. True b. False

B

In the case of the single-phase alternator, the coil windings are connected in three different groups, one for each phase. a. True b. False

B

In the formula for work, W = EIT, the W equals ________. a. Watts b. Watt seconds c. Watt hours d. Watt joules e. Watt minutes

B

In the outside screw and yoke valve, the stem threads are outside of the valve, and therefore, are subject to extreme temperature changes with resulting galling. a. True b. False

B

In valve selection an examination of the fluid to be handled is made to determine its _______ and _______. a. mass, viscosity b. properties, characteristics c. texture, corrosiveness d. color, odor

B

Incidents can be divided into two categories: _____________ and ___________. a. critical, serious b. near miss event, accidents c. class A, class B d. minor, major

B

Inductive reactance opposes ______________. a. resistance b. current flow c. capacitance d. voltage e. conductance

B

Insulating blankets are used in various applications. They are difficult to install and remove for maintenance. They are very convenient for use with expansion joints, valves, steam traps and other odd shaped vessels, and they can be used in high temperature applications. a. True b. False

B

Iron and constantan can be used in a thermocouple to measure any temperature range. a. True b. False

B

Line impedance starters; this method of starting is relatively more expensive but gives a lower starting torque than other methods. a. True b. False

B

List 4 DCS input devices: A. Keyboard B. Calculator C. Mouse D. Track ball E. Pen F. Touch screen a. A, D, E, F b. A, C, D, F c. A, B, D, F d. A, C, D, E

B

List plug valve gland types: A. Single gland B. Double gland C. Button gland D. Bolted gland E. Piston gland F. Screwed gland a. A, C, D, F b. A, D, F c. A, B, D, F d. A, C, D, E

B

List the three main elements of SCADA: 1) Remote terminal unit (RTU) 2) Controller 3) Transmitter 4) Master terminal unit (MTU) 5) Modem a. 1, 2, 3 b. 1, 4, 5 c. 1, 2, 4 d. 2, 3, 4

B

List the three main elements of an Analog Instrumentation Loop. 1) Process setpoint 2) Transmitter 3) Controller 4) Instrument air 5) Final control element a. 1, 2, 3, 4, 5 b. 2, 3, 5 c. 1, 3, 4, d. 1, 2, 3, 4, 5

B

List the trap selection criteria for the application? 1) Condensate capacity, under start-up 2) Condensate capacity, under normal operating 3) Condensate temperature the trap will have to handle 4) Steam header temperature 5) Pressure differential across the trap 6) The location of the trap a. 1, 3, 4, 5, 6 b. 1, 2, 3, 4, 5, 6 c. 1, 2, 3, 5, 6 d. 1, 2, 3, 4 e. 5, 6

B

Modern alternators consist of a rotor on which the AC voltage producing windings are placed and a rotating stator on which a DC excitation winding is placed. a. True b. False

B

Most common three examples of on-off control are: 1) Temperature controlled exhaust fan in a compressor building 2) Boiler feedwater to a boiler 3) A thermostat controlled forced air furnace 4) Boiler fuel gas flow 5) The compressed air supply to a storage tank a. 1, 2, 5 b. 1, 3, 5 c. 3, 4, 5 d. 4, 5, 6

B

Name 3 types of gate design __________ __________ ____________. a. flexible, full, split b. solid, flexible, split c. solid, flexible, hinged d. solid, movable, split

B

One of the main advantages of the synchronous motor is that it can be run at lagging power factor unlike other motors, which run at a leading power factor. a. True b. False

B

One-watt hour equals? a. 3600 kJ b. 3.6 kJ c. 60 J d. 36 MJ e. 36 J

B

PLCs are limited to controlling a single process and can control only one process at a time. a. True b. False

B

Permits are used for ___________ and co-coordinating work to establish and maintain safe working conditions. a. completing b. controlling c. maintaining d. overseeing

B

Pick the answer best describing the electric fusion method of pipe manufacturing: a. Flat plate having the proper width and thickness and having been heated in an electric furnace to the proper welding temperature is shaped by forming rolls into a tube-like form. b. Flat plate is formed cold into a tube shape by rollers and then it passes between welding electrodes which make contact with the pipe on either side of the joint. c. Flat plate is formed into a tube shape and placed in an automatic welder with the inside backed by a water-cooled copper shoe. Two electrodes are used which are not in actual contact with the pipe. The welding current passes from one electrode through a powdered flux and across the pipe joint to the other electrode. A welding rod placed just above the pipe joint is thereby melted and deposited in the groove of the pipe joint. d. Flat plate rolled into a tube shape with heat and then welded free hand tungsten weld.

B

Piping insulation is normally fabricated in half-cylindrical sections for fitting over the pipe. It is held together by __________ or _______, and then ________ with ______ _____, ___________ or galvanized steel. a. glue, tape, covered, fabric, sheeting b. metal wire, bands, covered, sheet metal, aluminum c. gravity, weight, pasted, plaster, sheeting d. friction, tightness, closed, paint, tar

B

Pneumatic systems can operate on: 1) Compressed air 2) Hydraulic fluid 3) Nitrogen 4) Water 5) Methane a. 1, 2, 3, 4, 5 b. 1, 3, 5 c. 1, 5 d. 1, 2, 5

B

Programmable logic controllers (PLCs) were originally designed to control processes that required a ____________ to be followed. a. normal tracking device b. sequence of events c. event happening d. list

B

Referred to as __________ dry chemical, it is based upon mixtures of ammonium phosphates or ammonium phosphates and sulphates. a. mixture b. mulit-purpose c. new d. Red B

B

Relay systems may cause circuit breakers to open due to changes in ________, ________ or ________. a. voltage, amperage, resistance b. frequency, voltage, current c. power factor, impedance, resistance d. resistance, conductance, reluctance

B

Salient pole rotors _________________________. a. are used on high speed alternators b. are used on alternators not exceeding 1800 rpm c. require no maintenance d. are used on only single phase generators e. are used on only three phase generators

B

Several different methods are available for controlling pipeline expansion. Two of the most common are ___________ _____ and __________ _____. a. underground trenching, solid anchors b. expansion bends, expansion joints c. different metals, temperature gradients d. different procedure, operating parameters

B

Sprinkler systems consist of a pressure or gravity tank to maintain the correct water pressure, control valves for each section, and lengths of piping fitted with _________ _________(two words). a. sprinkler feet b. sprinkler heads c. spindle heads d. header ends

B

Square root extractors are used to convert squared signals from _______ flowmeters to ______ flow signals. a. digital, analog b. differential, linear c. normal, normal d. steam, boiler feedwater

B

Star-delta starting _____________________________. a. is used for any type of starting b. is used on motors designed to run as delta connected machines c. is used only for synchronous motors d. can be used for only DC machines e. can be used for AC or DC generators

B

Synchronous motors _____________________________. a. can be run at very high speeds b. can be run as an alternator or a motor c. are very expensive compared to other motors d. do not require brushes or slip rings e. are low speed machines

B

T-ported plug valves have ports in the plug in the shape of a cross. a. True b. False

B

The Act is the legislation passed by the ________ government. a. federal b. provincial c. municipal d. county

B

The Auto-Select loop control allows the automatic selection between one or more measured or controlled variables to produce a _______ output that is used as a controlled variable. a. double b. single c. triple d. strong

B

The assembled armature core_____________. a. is wrapped with field windings b. has axial slots around its periphery c. contacts the brushes d. is constructed of hard-drawn copper bars e. is connected with the rotor

B

The behavior of the separately excited generator with regard to its load characteristic is that as load increases, its delivery voltage _______________. a. steeply rises b. remains constant c. slightly falls d. slightly fluctuates e. slightly above normal

B

The coefficient of thermal conductivity of a material is a measure of the amount of heat that will be transmitted through this material. Therefore, the higher the value of thermal conductivity for a material, the better will be its insulating ability. a. True b. False

B

The composition disc valve, is an improvement over the ball type disc for many services, and is most suitable for throttling purposes. a. True b. False

B

The difference between the set point and the actual value of the process variable is known as offset. Offset is an inherent characteristic of all reset only controllers. a. True b. False

B

The faceplate displays ____ ___ when a particular process loop is addressed on the graphic display. a. disappear b. pop up c. go dim d. change shape

B

The function of the Occupational Health and Safety Committee is to initiate and assist in the __________ of health and safety expectations and safe systems of work. a. enforcement b. development c. initiation d. amendments

B

The fuse link is so sized that the heat created by the normal flow of voltage through it is not sufficient to fuse or melt the metal. a. True b. False

B

The greatest instantaneous value of AC is ________________. a. multitude b. amplitude c. two times the effective value d. root-mean square e. magnitude

B

The measuring instrument used with a Wheatstone bridge circuit is a ______________. a. Megger b. Galvanometer c. Ohm-meter d. Ammeter e. Voltmeter

B

The mixing valve is designed with two ______ and one __________ for blending two fluids. a. flanges, drain b. inlets, discharge c. stems, gate d. glands, body

B

The most frequently used materials for power piping systems are: 1) Inconel 800 H 2) Alloy steels 3) Low carbon steels 4) Galvanized steel 5) Austenitic stainless steels a. 1, 2, 3, 4, 5 b. 2, 3, 5 c. 2, 3, 4, 5 d. 4, 5 e. 1, 3, 5

B

The most positive method to test a trap to ensure it is working is to touch the body of the trap. a. True b. False

B

The percent of the process variable range that causes _____ change in controller output is often called the proportional band. a. 25% b. 100% c. 20% d. 75%

B

The plug turns with the help of a _______ or is ______ operated. a. motor, manual b. wrench, gear c. piston, automatically d. wheel, gear

B

The plug type globe valve is the best of the three types for ________ and ______ service. a. cost, maintenance b. throttling, hard c. size, hot d. strength, wide

B

The pressure differential across an orifice plate is measured by a low-pressure connection before the plate and a high-pressure connection after the plate. a. True b. False

B

The single seated balance valve, has a _______ _______ moving inside a removable cage, which holds down a seating ring. a. large hole b. valve plug c. tapered stem d. round disc

B

The synchronous motor is _________________________. a. self starting b. not self starting c. used to create a lagging power factor d. a split phase type motor e. used to decrease the power factor

B

The term "digital" describes computer systems that use the binary number system of _____ and _____. a. zeros, tens b. ones, zeros c. tens, one hundreds d. disc, hard drives

B

The use of expansion bends for high pressure service is preferred _________________. a. because it is cost efficient b. because of the no maintenance involved and little likelihood of leaks developing advantage c. because expansion bends require a large amount of extra space d. because more expansion allowed e. there are no moving parts

B

The vena contracta is the point where the __________________. a. velocity is the lowest b. fluid has the smallest cross sectional area c. pressure begins to decrease d. high pressure connection is made e. low pressure connection is made

B

There are two possible methods of connecting up three-phase generator windings. These are known as the _____ and the ______ connections. a. advanced, simple b. star, delta c. temporary, permanent d. tight, loose

B

Thermowells are _____. a. made of soft materials b. used to protect the bulb from erosion, corrosion and impact c. used in pipes only d. not used with thermocouples e. used in conjunction with a capillary tube

B

Three phase systems often use banks of _______ ________ transformer to replace three-phase transformers. a. double phase b. single phase c. step down d. step up

B

To have a single trap for two units is permitted, as long as the trap capacity is not exceeded. a. True b. False

B

Transmitters convert a process physical quantity such as level, pressure, flow, or temperature into a representative pneumatic analog signal, usually ________. a. 0 - 25 kpa b. 20 - 100 kPa c. 4 - 20 mA d. 1 - 100 %

B

Trend displays are the DCS equivalents of ______ ______ . a. message boards b. chart recorders c. answering machines d. controllers e. transmitters

B

Two general ways in which a sprinkler system may be pressurized is by: 1) Air 2) Ammonia 3) Hydrogen 4) Water 5) Oxygen a. 1, 2 b. 1, 4 c. 3, 5 d. 2, 3 e. 1, 5

B

Valve sizes are selected in accordance with the _______ needed and permissible fluid-friction _______. a. size, characteristics b. capacity, losses c. service, numbers d. agency, advantage

B

Venturi tubes will handle about 20% more flow than an orifice plate with the same pipe size and the same differential pressure. a. True b. False

B

Ways to detect freezing in a hydrant include: a. Open the hydrant fully and listen for water. b. Lowering a weight on a stout string into the hydrant. It may strike ice or come up wet, showing water in the barrel. c. Pressure the hydrant with gas. d. Feel the temperature of the metal.

B

What factors determine the resistance of a conductor? a. Weight, length, diameter and temperature. b. Type of material, length, diameter and temperature. c. Weight, type of material, length and diameter. d. Weight, type of material, length, diameter and temperature. e. Weight, length, temperature and diameter.

B

What is ABS pipe commonly used for? a. Pure water services and laboratory drainage systems b. Potable water systems and pressurized liquid lines for salt water, or crude oil c. Water and chemical waste lines d. Raw sewage systems only e. Hydrocarbon service

B

What is the role of the on site commander (OSC)? a. Is responsible for activating all communication systems and maintaining a communications log. It could be a senior secretary or administrative assistant. b. This is an individual who is normally on site and familiar with the operations at the facility. It might be the shop supervisor or operations foreman. c. Is responsible for carrying out the response actions at the emergency, under the direction of the OSC. d. Is responsible for ensuring security of the site and safety of personnel.

B

When a ___________ generator loses excitation, the rotor accelerates and it operates as an induction generator, running above __________ speed. a. three phase, rated b. synchronous, synchronous c. AC, governor d. DC, generator

B

When using a venturi tube for flow measurement the high-pressure connection is placed at the throat of the venturi tube. a. True b. False

B

Where approximate constant speed is to be maintained between no-load and full-load the DC motor to use would be the______________. a. Series b. Shunt c. Compound d. Separately-excited e. Self-excited

B

Where the open cut method is used, walls shall be a minimum of ___ degrees in hard or compact soil and ____ degrees in loose or spoiled material. a. 10, 50 b. 30, 45 c. 25, 40 d. 15, 55

B

Which of the following extinguishers would ordinarily be used to combat a Class "C" fire? 1) Carbon dioxide 2) Foam 3) Dry chemical 4) Water a. 1, 2 b. 1, 3 c. 2, 3 d. 1, 4 e. 3, 4

B

Which of the following is a Class C fire? A fire in ______________. a. a lumber pile b. generator coils c. a coal pile d. a fuel tank e. a paint can

B

_______ is often the first indicator of fire, so a system of automatic detectors should be used. a. Heat b. Smoke c. Flames d. Smell

B

B31.3 Power Piping sets boiler piping rules for: materials, design, fabrication, construction, and testing. a. True b. False

B - The correct code is B31.1

B-31.1 Process Piping sets the rules for Pressure or Process Piping in the rest of the plant that is not covered in B-31.1 a. True b. False

B - The correct code is B31.3

Find the warm-up load in kg/h in warming up 50 m of 203.2 mm, Schedule 40 steel pipe to a working pressure of 1737 kPa in a warm-up time of 20 minutes. Initial temperature of the pipe is 20°C. Table 1 lists the dimensions and the mass per meter of different sizes of steel pipe with varying wall thickness. a. 500 kg b. 102.89 kg c. 58 kg d. 1002.89 kg

B????

A V-shaped insert type valve would be used as a control valve as flow characteristics are usually more _____. a. straight b. flatter c. linear d. mixed

C

A safe rule to follow is to bury the top of the pipe not less than _____ below the lowest frost line for the locality. a. 0.5 m b. 1.0 m c. 0.3 m d. 2.0 m

C

A steam line 200 m long is installed in a plant at an ambient temperature of 15°C. When in service the line will carry steam at 400°C. How much will the line increase in length when put into service? a. 2.0 m b. 0.5 m c. 0.924 m d. 1.55 m

C

A typical controller station allows the operator to: 1) View and change the setpoint 2) View feed forward settings 3) View the process variable 4) Switch from Auto to manual 5) View process history a. 1, 2, 3, 4 b. 1, 2, 3, 4, 5 c. 1, 3, 5 d. 1, 2

C

A valve that the handwheel and stem rise as the handwheel is turned is called a ____________. a. hand lever b. outside screw threads c. rising stem d. inside screw threads e. disk rising on stem

C

A way of overcoming armature reaction is by________________________. a. placing the brushes at the air gaps b. feeding AC current into the brushes c. inserting interpoles between the main poles d. reversing the brushes of the armature conductors e. correcting the positions of the poles

C

According to Ohm's Law _________________________. a. if you raise I, R will go up b. if you raise E, I will go down c. if you raise R, I will go down d. if you lower R, I will go up e. if you raise E, I will go down

C

Alternators __________________________. a. have AC excitation on the rotor b. DC excitation voltage on the stator c. have a rotating armature on which a DC excitation winding is placed d. slip rings on the stator e. split ring on the rotor

C

An accident is defined as a/an: a. Unhappy ending b. Shocking event c. Unexpected occurrence d. Sudden stoppage of events e. Irreversible dilemma

C

An electrical source could be in the form of a: 1) Battery 2) Magnet 3) Flux 4) Generator a. 1, 2, 4 b. 2, 3 c. 1, 4 d. 2, 3, 4 e. 1, 2, 3, 4

C

An emergency shutdown could be activated __________ or __________. a. locally, remotely b. fast, slow c. automatically, manually d. full, partial

C

Aqueous Film Forming Foam (_____) was developed at the U.S. Naval Research Laboratory primarily to provide very rapid fire extinguishment, or knockdown capabilities. a. ARC b. PFC c. AFFF d. DFFG

C

As it is heated, a _______ _____ deforms in the direction of the contact point. a. smoke detector b. gas detector c. bimetal strip d. flame detector

C

Before commencing work, a ________ must verify that all energy sources have been effectively locked out. a. operator b. supervisor c. worker d. manager

C

DC motors are restricted to a starting current of about _______ percent of full load current. a. 50 b. 100 c. 150 d. 200 e. 250

C

Describe AC Kilovars: a. This is a meter that measures and records the amount of power produced by the generator. b. This gives an indication of the DC current that is being supplied to the generators field windings. c. This is a measurement of the reactive power being generated by the AC generation system. d. This is an indication of the AC kilowatts the generator is producing.

C

Describe exciter field voltage meter. a. This is an indication of the AC kilowatts that the generator is producing. b. This is a meter that measures and records the amount of power produced by the generator. c. This gives an indication of the DC voltage that is being supplied to the generators field windings. d. This is a measurement of the reactive power being generated by the AC generation system.

C

Describe the double seated balance valve. a. It has a valve plug that moves inside a removable cage, which holds down a seating ring. b. A valve body with cage-style trim, balanced plug and soft seat. It is single-ported as only one seat ring is used. c. It can pass up to twice as much fluid as a single port valve. It generally divides the flow in half through two control ports. d. Downstream pressure acts on both the top and bottom of the valve plug, thereby equalizing most of the forces.

C

Describe the purpose of the AC volt meter. a. This is a meter that measures and records the amount of power produced by the generator. b. This gives an indication of the DC voltage that is being supplied to the generators field windings. c. This is an indication of the AC voltage, expressed in volts, which is being produced by the three-phase generator. d. This is a measurement of the reactive power being generated by the AC generation system.

C

Describe the purpose of the voltmeter selector. a. This is to adjust the generator output voltage. b. This is to adjust the generator excitation voltage. c. This is used to check and verify the voltage on each phase of the generator. d. This is to adjust the generator output phase voltage.

C

Describe three tasks done on a yearly trap inspection. - A. The trap body and operating parts should be examined for corrosion, erosion, mechanical wear, etc - B. All internal parts should be cleaned and worn valves, seats, levers etc., should be replaced, as should cracked buckets, floats or bellows - C. Check trap housing temperature - D. All gasket seating surfaces should be thoroughly cleaned and new gaskets used on reassembly a. A, B, C, D b. A, B c. A, B, D d. D

C

Emergency Shutdown (ESD) devices are operated by ___________________. a. air & hydraulics b. hydraulics, electricity and air c. air, hydraulics, electricity or combinations of all three

C

Flow rate is often measured with a _________________. a. pedometer b. ultrasonic meter c. orifice plate d. velocity meter

C

For an AC circuit to be purely resistive, we must have: 1) No inductance 2) Current and voltage in phase 3) No capacitance 4) No lagging or leading current a. 1, 2, 3 b. 2, 3, 4 c. 1, 2, 3, 4 d. 1, 3, 4 e. 1, 2, 4

C

For average conditions, hydrants normally are placed about ______ from buildings a. 15 m b. 25 m c. 12.2 m d. 10 m

C

For paralleling alternators, the incoming alternator must be the same ___________ as the system voltage. a. manufacturer b. conductance c. voltage d. amperage

C

Formulations based upon potassium bicarbonate (Purple K) are found to be about _______ as effective as those based on sodium bicarbonate. a. half b. the same c. twice d. five times

C

From a graphic display, an operator may have the ability to: 1) Start or stop a boiler 2) Change the setpoint of the boiler master or drum level 3) Communicate with outside operators 4) Place any loop in manual or automatic mode 5) Change chart paper a. 1, 2, 5 b. 2, 3, 4 c. 1, 2, 4 d. 3, 4, 5 e. 2, 3, 5

C

Generator over voltage may occur during: 1) Load rejection 2) High generator speed 3) Low frequency 4) Excitation control failure a. 1, 2, 3 b. 1, 2, 3, 4 c. 1, 4 d. 4

C

Hazards are identified and indirect causes of the incident are examined. Some of the unsafe conditions that have the potential to cause an injury are: Name four: 1) Inadequate guards or barriers 2) Inadequate or improper protective equipment 3) Defective tools, equipment, or materials 4) Poor work practices 5) Inadequate training 6) Poor attitude 7) Poor housekeeping and a disorderly workplace a. 1, 2, 3, 4 b. 1, 5, 6, 7 c. 1, 2, 3, 7 d. 1, 2, 3, 4, 5, 7 e. 1, 2, 3, 4, 5, 6, 7

C

Heat detectors are generally located on or near: a. The floor b. The walls c. The ceiling d. The roof top

C

Identification of potential emergencies involves a ___________ exercise using a comprehensive understanding of facility processes. a. mental b. HAZOP c. risk assessment d. safety meeting

C

If a dead generator is accidentally energized, while on turning gear, it will start and behave as an ____ ____. a. AC generator b. DC generator c. induction motor d. prime mover

C

If the resistance in a circuit was kept constant and the applied voltage was increased, there would be ______. a. a corresponding decrease in current b. no change in current c. a corresponding increase in current d. no change in resistance e. a corresponding decrease in resistance

C

In a balance plug design, downstream __________ acts on both the top and bottom of the valve plug, there by __________ most of the forces. a. flow, parting b. temperature, maintaining c. pressure, equalizing d. fluid, creating

C

In a magnetic circuit, the magnetic flux is the equivalent of electric _____________ in an electric circuit. a. voltage b. reluctance c. current d. resistance e. inductance

C

In newer systems the panel boards and consoles of an older analog system are eliminated and the communications are over a shared cable. The shared cable arrangement is called a ________ _____. a. communication wire b. contact lead c. data highway d. pneumatic tubing

C

In on-off control, the controller signal to the final control element is either ____ positive or ______ negative. a. 0 %, 100 % b. 0 %, 50 % c. 100 %, 100 % d. 100 %, 24 %

C

Integral control, often called reset, responds to both the _______ and ______ duration of the deviation. a. offset, span b. speed, magnitude c. amount, time d. error, reset

C

Interpoles are connected in series with the ___________: a. field coils b. load c. armature d. field poles e. stator

C

It is the responsibility of the ______ to acknowledge the alarm, and decide on the appropriate course of action. a. process engineer b. supervisor c. operator d. security

C

Ladder logic is used extensively when __________ PLC's. a. operating b. manipulating c. programming d. reading

C

Large control rooms almost invariably contain a number of video ________ consoles attached to a large distributed control system data highway. a. game b. display c. operator d. digital

C

List advantages of diaphragm valves: 1) The diaphragm is separated from the fluid and no packing material is required as in conventional valves. 2) Maintenance costs are much lower than conventional valves. 3) The bonnet assembly can be removed for cleaning or lubricating without shutting off the fluid in the line. 4) A positive tight seal is always maintained. 5) Diaphragm valves can be used in all services. a. 1, 2 b. 2, 3 c. 1, 3 d. 3, 4 e. 2, 5

C

List four action available via an RTU: 1) Adjust tuning values 2) Download configurations 3) Upload a historical data 4) See the weather channel 5) Change RTU parameters 6) Manipulate the process a. 1, 2, 3, 4 b. 1, 3, 4, 6 c. 2, 3, 5, 6 d. 2, 3, 4, 5

C

List sequence of events for equipment isolation: A. Consider all circuits to be alive unless one is certain that they are dead and cannot, by some human error, be made live. B. Place tags that show equipment is out of service for maintenance when opening an electrical circuit. The tag should bear the name of the person who put it there and should only be removed by this person and the switch reclosed by that person. An operator should isolate all equipment, such as pumps, before maintenance is started. C. All switches must be locked open, at the source of the power. D. Test the equipment, after isolation, by attempting to start it at the start/stops station. The circuit may be open but charged capacitors can injure a person. Always open switches completely before removing fuses. E. If it is necessary to change a fuse in a live circuit, use approved fuse pullers that can withstand the line voltage. F. When removing fuses of live circuits, break contact with the line side first. Make contact with the line side first when inserting a new fuse. G. Switches should be opened in a firm, positive manner to prevent arcing. a. A, B, C, D, E, F, G b. F, G, E, A, B, C, D c. A, G, C, D, B, E, F d. A, G, C, B, E, D, F

C

List the four main elements of a RTU: 1) Microprocessor 2) Memory 3) Master terminal unit 4) Input/output terminals 5) Data highway 6) Power supply a. 1, 2, 3, 4 b. 1, 3, 4, 5 c. 1, 2, 4, 5 d. 2, 3, 4, 5

C

List the three subcategories of butterfly valves. 1) Swing-through 2) Large 3) Small 4) Lined 5) High performance a. 1, 2, 3 b. 3, 4, 5 c. 1, 4, 5 d. 2, 3, 4 e. 1, 3, 5

C

List the two ways butterfly valves are installed into a piping system: 1) Welded 2) Unions 3) Flanged 4) Wafer 5) Glues a. 1, 2 b. 2, 3 c. 3, 4 d. 4, 5 e. 1, 5

C

List three purposes of insulation. 1) Retains the heat in the hot lines 2) Protects the metal surfaces from rust 3) Prevents the temperature inside the power plant building from becoming uncomfortably high 4) Insulating of hot pipelines will prevent injury to personnel due to contact with the bare surfaces of the pipe. a. 2, 3, 4 b. 1, 2, 3 c. 1, 3, 4 d. 1, 2, 4

C

Neutral axis refers to? a. A position of the stator causing maximum sparking. b. A position of the stator causing minimum sparking. c. A position of the brushes causing minimum sparking. d. A position of the brushes causing maximum sparking. e. A position of the rotor causing minimum sparking.

C

Over excitation most often occurs: 1) During start up / shutdown 2) Operating at reduced frequency 3) Complete load rejection 4) A failure in the excitation system a. 1, 2 b. 1, 2, 3 c. 1, 2, 3, 4 d. 4

C

Programmed algorithms are called function blocks and include proportional, integral, and ______ functionality. a. alarming b. controlling c. derivative d. shutdown

C

Safety committees should be established with representatives from? a. The Department of Labour b. Worker's Compensation Board c. Management and plant workers d. The Department of Labor and the National Safety Council e. The Boilers Safety Branch

C

The Electric current flow depends on the number of charges ___________________. a. between two points b. per second c. in motion d. as a potential e. per mechanical power output

C

The Occupational Health and Safety Act (OH&S Act), is the basis of health and safety law in ________. a. Canada b. British Columbia c. Alberta d. The world

C

The control relay is an ___________ or electromechanical device. a. electric b. electrostatic c. electromagnetic d. electrospasmotic

C

The diverting valve is a three-way valve, with _____ inlet and _____ outlets, a. two, one b. small, large c. one, two d. one, three

C

The eccentric plug valve, is specially designed for ___________________. a. tight spaces, as the body is very small b. applications when 4 or more systems must be connected c. severe rotary applications, as it features tight shut off with globe style seating d. large oil and gas facilities

C

The free valence electrons of a conductor, when connected to the poles of a battery will move towards _____. a. both poles at the same time b. the negative pole c. the positive pole d. either or both poles, quite randomly e. the cathode

C

The most common type of industrial electrical generation is the _____________. a. single phase b. two phase c. three phase d. DC generators e. AC motors

C

The most satisfactory method of thawing a hydrant is by means of a __________. a. Vacuum truck b. Propane torch c. Steam hose d. Methanol

C

The operator interface unit allows the operator to monitor process conditions and manipulate set points of the process operation. The operator interface unit is located in a central control room. From this location the operator can: 1) View information transmitted from the processing area on an output device such as a video monitor 2) Start the process 3) Change control conditions from input devices such as a keyboard, mouse or touch screen. 4) Light boilers and Heaters a. 1 b. 1, 2 c. 1, 3 d. 1, 4

C

The orifice plate has the advantage over other types of metering restrictions because it __________. a. produces less permanent pressure drop b. will handle 60% more flow c. is easy to install and replace d. more efficient than the other types e. is permanently attached to the piping

C

The permit issuer must be sure that the work situation identified on the permit is as described, and the permit issuer ______ the work or operation with the worker before work starts. a. instruct b. inform c. review d. direct

C

The separately excited generator has a _______________ load characteristic. a. rising b. level c. falling d. series e. parallel

C

The three principle components of the operator station are: 1) Video monitor 2) Coffee pot 3) Keyboard 4) Recording charts 5) Mouse/trackball a. 1, 2, 3 b. 2, 3, 4 c. 1, 3, 5 d. 3, 4, 5 e. 2, 3, 5

C

The torque produced by the armature conductors in a generator: 1) Increases with load 2) Decreases with load 3) Opposes the driving torque 4) Is load torque a. 1, 2, 3 b. 2, 3, 4 c. 1, 3, 4 d. 1, 2, 4 e. 1, 2, 3, 4

C

The valve trim refers to the valve _____ and ______. a. wheel, stem b. bonnet, packing c. disc, seat d. inlet, outlet

C

Time lag fuses have two parts, a _______ cutout part and a _____ link. a. timer, reset b. metal. Powder c. thermal, fuse d. voltage, amp

C

Transformers are cooled by: 1) Spraying water over the coils 2) Placing the core in an oil filled tank 3) Forced cooling by fans 4) Using pyrene as a coolant a. 1, 2, 3 b. 1, 3, 4 c. 2, 3 d. 2, 3, 4 e. 1, 2, 3, 4

C

Under normal operation, both incoming breakers, are ______ and the tiebreaker is ______. a. closed, closed b. open, closed c. closed, open d. open, open

C

What is the period of a 60 Hz wave? a. 0.02 sec b. 0.018 sec c. 0.016 sec d. 0.01 sec

C

What is the role of the response operation supervisor? a. Is responsible for activating all communication systems and maintaining a communications log. It could be a senior secretary or administrative assistant. b. This is an individual who is normally on site and familiar with the operations at the facility. It might be the shop supervisor or operations foreman. c. Is responsible for carrying out the response actions at the emergency, under the direction of the OSC. d. Is responsible for ensuring security of the site and safety of personnel.

C

What practical unit is used to represent resistance? a. Watt b. Amp c. Ohm d. Microhms e. Henry

C

What type of insulation will most likely be used for HP steam piping? a. Fiberglass b. Cloth c. Calcium silicate d. Refractory fiber

C

When a current carrying conductor forming a loop is placed inside an external magnetic field, then the external field will cause the loop to______________. a. vibrate b. generate an AC current c. produce a torque d. generate a DC current e. generate a DC voltage

C

When a current carrying conductor is placed in a magnetic field, the field produced by the conductor __________ the magnetic field between the poles. a. adds to b. subtracts from c. distorts d. crosses e. straightens

C

When a loop of current carrying conductor is placed in a magnetic field, the wire loop will __________. a. turn clockwise b. generate a current c. have a torque produced on it d. turn counter-clockwise e. straightens itself out

C

When conducting a safety inspection of a workplace, focus on things that can be seen or ________ such as unsafe conditions, or unsafe work practices. a. witnessed b. reported c. observed d. done

C

Where are Solenoid valves used? 1) Small size systems where on and off operation is required> 2) Fuel gas systems as the latching valve 3) Cooling water systems 4) Continuous flow control a. 1, 4 b. 2, 4 c. 1, 2 d. 2, 3 e. 3, 4

C

Where high starting torques are required but the running load may be small the DC motor used would be the? a. Series b. Shunt c. Compound d. Under compounded e. Over compounded

C

Which of the following is a Class A fire? A fire in: a. Fuel tank b. Generator coil c. Coal storage d. Oil storage e. Paint storage

C

Which of the following is a Class D fire? a. Cloth and paper b. Lubricating oils c. Magnesium d. Electrical wire

C

__________ are used to convert physical quantities of flow, level, temperature, pressure, and weight into electrical signals that represent those quantities as accurately as possible. a. Controllers b. Control valves c. Transmitters d. Level switches

C

A __________ is an excavation less than 3.7 m wide at the bottom, over 1.2 m deep, and of any length. a. confined b. excavation c. hot work d. trench

D

A circuit breaker is an automatic device that ______________________. a. indicates circuit status b. opens under abnormally high current conditions c. provides a circuit junction box d. Both A /B

D

A confined space-testing program must consider _________________. a. qualifications of testing personnel b. test equipment which must be accurate and reliable c. the confined space entry and exit points d. A, B

D

A fuel gas line 500 m long is installed in a plant at an ambient temperature of 20°C. When in service the line will carry fuel gas at 250°C. How much will the line increase in length when put into service? a. 2.23 m b. 1.5 m c. 0.25 m d. 1.38 m

D

All valves must be properly identified as to the material of construction and the service conditions for which they are designed, the following basic information: 1) Manufacturer's name or trademark 2) Type of weather proof insulation required 3) Service designation, for example, pressure-temperature for which the fitting is designated 4) Material designation, for example, steel or cast iron, and ASTM Number a. 1, 2, 3 b. 1, 2, 4 c. 1, 2, 3, 4 d. 1, 3, 4

D

An alternator is a ___________________. a. three phase AC converter b. DC generator c. wound rotor motor d. AC generator e. single phase AC converter

D

An uninterruptible power supply is required for plant systems that cannot tolerate a momentary loss of ________ and/or ________. a. power, lights b. current, voltage c. production, down time d. voltage, frequency

D

Armature reaction _______________ the main field. a. increases b. decreases c. reverses d. distorts e. restores

D

Bimetal thermometers are sometimes wound in the form of a helix to ____________. a. increase the distance of the scale b. decrease the temperature range c. decrease the rotation of pointer d. increase the accuracy of temperature reading e. increase the range of the scale

D

Cascade control is achieved by the use of two controllers, but only one _________. a. SP b. PV c. OP d. final control element

D

Central Foam Distributing Systems consist of an enclosure housing a foam concentrate supply tank and a ____________ device. a. mixing b. separating c. floating d. proportioning

D

Conducting regular team safety meetings is an effective way for the team to achieve a safer and more productive workplace. The team meets to: 1) Share information and safety concerns 2) Have coffee and donuts 3) Discuss safety issues and find solutions 4) Plan out door training sessions 5) Build on communication 6) Stimulate group discussion and interaction in regards to safety items a. 1, 2, 3, 4, 5, 6 b. 1, 2, 3 c. 1, 6 d. 1, 3, 5, 6 e. 1, 2, 3, 4,

D

Conductive materials. 1) Gain resistance while temperature rises while others lose resistance 2) Have no resistance change with temperature change 3) Always have resistance changing directly with temperature 4) Can vary resistance directly or inversely with temperature a. 1, 3, 4 b. 2, 3 c. 2, 4 d. 1, 4 e. 1, 2, 3, 4

D

Describe the purpose of the frequency meter: a. This is a meter that measures and records the amount of power produced by the generator. b. This gives an indication of the DC current that is being supplied to the generators field windings. c. This is a measurement of the reactive power being generated by the AC generation system. d. This is an indication of the frequency of the power being produced. It is expressed in hertz's.

D

Diaphragms are made of any of materials resistant to the particular fluids being transported. Choose four: A. Rubber B. Neoprene C. Cloth D. Stainless steel E. Polyethylene F. Tin foil a. B, C, D, E b. B, D, E c. A, B, C, E d. A, B, D, E

D

Doubling both the voltage and resistance in a circuit has what effect on the current? a. Current is doubled b. Current is reduced by half c. Current is reduced to 1/4 d. Current remains the same e. Current is tripled

D

Dry Pipe Systems are found in environments where the temperature is maintained below? a. -2°C b. 0°C c. 5°C d. 4°C

D

Emergency response procedures are developed to instruct first responders in the event of a fire. A typical procedure would consist of the following: a. Sound the fire alarm. b. Complete a risk assessment of the situation. c. Attempt to extinguish, or control the fire. If the fire escalates, back away. Never turn your back on a fire. d. All

D

For DC generators the nearer to zero the percentage voltage regulation is then _______________. a. the poorer the voltage regulation b. the greater the voltage regulation c. the higher the operating temperature possible d. the better the voltage regulation e. the lower the operating temperature possible

D

For a parallel circuit: 1) The same voltage is applied across all resistors 2) The current flow in each branch is directly proportional to the resistance in that branch 3) The total resistance of the parallel is always less than the smallest parallel resistance 4) The sum of the currents flowing in each path is equal to the supply current a. 1, 2, 3 b. 2, 3, 4 c. 1, 2, 4 d. 1, 3, 4 e. 1, 2, 3, 4

D

Identify four communication paths for RTU's: 1) On dedicated wires which run directly from the RTU to the central computer 2) Via a data highway 3) Through the telephone system, using modems 4) Using radio 5) Microwave signals 6) Satellite links a. 1, 2, 3, 4 b. 1, 3, 5, 6 c. 1, 2, 4, 6 d. 1, 3, 4, 5

D

If the resistance of a circuit is decreased to 1/4 of its original value, what happens to the current if the supply voltage is unchanged? a. The current is 1/4 of original voltage. b. The current remains the same. c. The current is 1/2 of original voltage. d. The current is 4 times its original voltage. e. The current is 5 times its original voltage.

D

In a purely inductive AC circuit the current ______________. a. leads voltage by 90 degrees b. is out of phase by 45 degrees c. can lead or lag voltage d. lags voltage by 90 degrees e. is in phase with the voltage

D

Induction motor starting when directly connected to the source _______________________________. a. require very little current starting up b. need slightly more current for start up c. need only normal current and voltage for starting d. require up to six times its full-load current when starting e. require a starting motor

D

Interpoles carry _______________ current. a. field b. load c. flux d. armature e. stator

D

List 4 methods of attaching a bonnet to a valve body: A. Welded B. Union C. Flanged D. Threaded E. Molded F. Compression fit a. A, B, C, E, F b. B, C, E, F c. A, B, C d. A, B, C, D

D

List factors involved in valve selection: A. Economics B. Corrosion C. Shape D. Valve lifespan E. Process reliability a. A, B b. A, B, C, D c. A, B, C, E d. A, B, D, E

D

List five components of a DCS system: 1. Transmitters 2. Final control elements 3. Printer 4. Keyboard 5. Operators console 6. Controllers 7. Input/output cards a. 1, 2, 3, 4, 5 b. 1, 2, 4, 6, 7 c. 1, 2, 3, 6, 7 d. 1, 2, 5, 6, 7

D

List the four types of final actuators: 1) Conveyor belt 2) Flapper valve 3) Globe valve 4) A louver 5) Motor's variable speed drive 6) A compressor's inlet guide vanes a. 1, 2, 3, 4, 5, 6 b. 1, 6 c. 4, 5, 6 d. 1, 4, 5, 6

D

Lock Out is a system of locks, which secures devices that control hazardous energy from release. Control devices, which are secured by locks include: 1) Main disconnect switches 2) Circuit breakers 3) Valves 4) Clutches a. 1, 4 b. 1, 3, 4 c. 4 d. 1, 2, 3, 4

D

Lockout is required when machinery or equipment is shut down for maintenance; no work may be done until the following conditions have been met: a. All parts and attachments have been secured against inadvertent movement b. All valves removed c. Where the work will expose workers to energy sources, the hazard has been effectively controlled d. A, C, E e. The energy isolating devices have been locked out

D

Match the Valves with their descriptors: A. Single seated balance valve B. Double seated balance valve C. Balanced plug 1) Cage-style trim is used to provide valve plug guiding, seat ring retention, and flow characterization. 2) Has a valve plug that moves inside a removable cage, which holds down a seating ring. 3) Divides the flow in half through two control ports. a. A/1, B/2, C/3 b. A/2, B/1, C/3 c. A/3, B/2, C/1 d. A/2, B/3, C/1

D

Ohm's Law can be used to ________________________. a. calculate current flow if the applied emf and resistance are known b. calculate the required emf to cause a required current to flow through a known resistance c. calculate the required circuit resistance if the voltage and current flow are known d. All of the above e. None of the above

D

Plug Valves consist of a tapered or straight vertical cylinder _________ into a valve body. a. welded b. threaded c. pressed d. inserted

D

Pneumatic level switches are available for: 1) Level 2) Pressure 3) Viscosity 4) Temperature 5) Density 6) Flow a. 1 b. 1, 2, 3 c. 1, 4, 5, 6 d. 1, 2, 4, 6

D

Preaction systems applications are typically: a. Computer equipment b. Communication equipment c. Museums d. All

D

Synchronous motors ____________________________. a. are used in small plants to cut costs b. usually are very small and compact compared to three phase induction motors c. require higher rated insulation values than other motors d. can be used to help correct power factor e. can not be used to help correct power factor

D

Synchronous motors ______________________________. a. have a lagging power factor b. depend on slip for its torque c. are only single phase d. can be run at a leading power factor e. can be run at a lagging power factor

D

The Act and regulations can be obtained from which locations: 1) The provincial government printers 2) Libraries 3) 7-11 4) Employers 5) Mac's 6) Internet web site a. 1, 2, 3, 4, 5 b. 2, 3, 4, 5 c. 3, 4, 5, 6 d. 1, 2, 4, 6

D

The Occupational Health and Safety Act says that an employer, must do everything it reasonably can to protect the health and safety of your workers. This means: 1) Dangerous chemicals must be properly labeled and stored 2) Safe work practices must be set up for workers and the employer must ensure these practices are followed 4) The employer must ensure that the workers have the skills and training needed to do their jobs safely 5) It is the employer's responsibility to inform its workers of any dangers at the job site 6) The employer must monitor workers who may be exposed to certain controlled products; in some cases, specific health examinations may be required a. 1, 2 b. 3, 5, 6 c. None of the above d. All of the above

D

The air gaps between the poles and the armature are _____________. a. filled with insulation b. subject to sparking c. increased with speed d. kept comparatively small e. to insulate the poles from the armature

D

The displacement between the centers of adjacent poles in an armature are__________. a. 360 mechanical degrees b. 360 electrical degrees c. 180 mechanical degrees d. 180 electrical degrees e. 90 electrical degrees

D

The main devices used as final control elements are: 1) Control valves 2) Variable speed motor drives (VSDs) 3) Steam flow 4) Speed governors 5) Level switches 6) Damper positioners a. 1, 6 b. 4, 5, 6 c. 1, 2, 6 d. 1, 2, 4, 6

D

The piping system is connected to a water supply through a ________ valve that can be actuated both automatically and manually to initiate the flow of water. a. water b. globe c. control d. deluge

D

The shunt generator has a no-load characteristic similar to that of the _________________ generator. a. series b. parallel c. compound d. separately-excited e. internally-excited

D

The three basic ways in which a self-excited generator can be connected are classified as: 1) Shunt generator 2) Compound generator 3) Series generator 4) Parallel generator a. 1, 3, 4 b. 2, 3, 4 c. 1, 2, 4 d. 1, 2, 3 e. 1, 2, 3, 4

D

The voltage drop at the armature of a shunt DC motor is a percentage that normally does not exceed ______. a. 0.05% b. 0.5% c. 0.9% d. 5.0% e. 50%

D

The width of the gap between the contacts of a bimetal strip determines the operating temperature; the wider the gap the ______ the operating point. a. lower b. nearest c. same d. higher

D

Transformers function on the principle of __________________________. a. conductance b. high resistance to DC current c. interaction of residual magnetism d. mutual inductance e. mutual conductance

D

Unsafe acts are the actions taken by the worker at the time of the incident, name five: 1) Operating equipment without authority 2) sleeping 3) Failure to secure equipment 4) Failing to use personal protective equipment 5) Using improper procedures for loading, placement, or lifting 6) Bored 7) Engaging in horseplay, or working under the influence of alcohol and/or drugs a. 1, 2, 3, 6, 7 b. 1, 6, 7 c. 1, 2 d. 1, 3, 4, 5, 7 e. 1, 2, 3, 4, 5, 6, 7

D

What are the most common conditions monitored by a sensor and that activate shutdowns: 1) High or low temperature 2) Loss of lubricating oil 3) Vibration 4) Low flow 5) High or low level 6) High or low pressure 7) Combustible or Toxic gas a. 1, 3, 4, 5, 6 b. 1, 4, 5, 6, 7 c. 1, 2, 3, 5, 6 d. All of the above

D

What is a Safety switch device used for? a. Protection of low current flow. b. Detecting the voltage of circuit. c. Current flow indication. d. Isolating parts of an electric circuit.

D

What is the armature core made of? a. Copper b. Copper laminations c. Hard steel laminations d. Soft iron or mild steel laminations e. Stainless steel laminations

D

What is the frequency of a wave, which has a period of 2 µ sec? a. 1.0 MHz b. 0.25 MHz c. 0.75 MHz d. 0.5 MHz

D

What is the purpose of the bolted jacket/s? a. To strengthen the valve body b. Prevent valve leaks c. Provide a smooth surface for painting d. Apply heat to the valve body

D

What is the role of the security officer? a. Is responsible for activating all communication systems and maintaining a communications log. It could be a senior secretary or administrative assistant. b. This is an individual who is normally on site and familiar with the operations at the facility. It might be the shop supervisor or operations foreman. c. Is responsible for carrying out the response actions at the emergency, under the direction of the OSC. d. Is responsible for ensuring security of the site and safety of personnel.

D

When a Wheatstone bridge is balanced, the meter will read ______________________. a. full scale positive b. full scale negative c. 100 percent d. zero e. 3/4 scale positive

D

When must you use a workplace label? a. If you decant (pour) a controlled product from its original container into another container for use in the workplace. b. If you transfer a controlled product, that is stored in bulk into another container for use in the workplace. c. If the supplier label is illegible, damaged or lost, it must be replaced with a workplace label or a supplier label. d. All

D

Which of the following is a Class B fire? A fire in: a. Coal storage b. Electrical panel c. Pile of paper d. Paint storage e. Lumber pile

D

With regard to the air gaps between the poles and the armature, such gaps must be ___________. a. filled with insulation b. kept large to prevent sparking c. increased with speed d. kept comparatively small e. kept large to prevent short circuiting

D

________ valve bodies in general can be used on water service up to temperatures of about 250°C. a. Brass b. Steel c. Steel alloys d. Cast-iron e. Stainless steel

D

A Bourdon tube has an oval cross section, which is often shaped in the form of a "C", having an arc span of about? a. 360° b. 180° c. 120° d. 90° e. 270°

E

A MSDS is a technical document, which provides detailed and comprehensive information on a controlled product related to: a. Health effects of overexposure to the product. b. Hazard evaluation related to the product's handling, storage and use. c. Measures to protect workers at risk of overexposure. d. Emergency procedures e. All

E

A magnetic field is always considered to travel from _____________. a. positive to negative b. negative to positive c. upward to downward d. south to north e. north to south

E

Automatic system actuation valves for spray systems can be actuated electrically by the operation of automatic detection equipment, such as: a. Heat detectors b. Relay circuits c. Gas detectors d. Mechanically e. All

E

Confined Space means an area, other than an underground working, that ____________________. a. is enclosed or partially enclosed b. is not designed or intended for continuous human occupancy c. has limited or restricted means for entry or exit that may complicate the provision of first aid, evacuation, rescue or other emergency response service d. is large enough and so configured that a worker could enter to perform assigned work e. All of the above

E

Current transformers are __________________________. a. power step-up transformers b. current step-up transformers c. rectifying transformers d. high power factor transformers e. voltage step-up transformers

E

Each worker who works on machinery or equipment requiring lockout is responsible for what? a. Locking out the energy isolating devices before starting work, except as provided in Group Lockout Procedures. b. Removing personal locks on the completion of his or her work. c. Maintaining immediate control of the key(s) to personal locks throughout the duration of the work. d. A, C e. A, B, C

E

If the number of secondary turns is such that the secondary voltage is smaller than the primary voltage, then the transformer is a __________ ___________ transformer. a. small scale b. ramp up c. quick step d. step up e. step down

E

In a Hot Work Permit situation, possible examples of sources of ignition are: 1) Welding 2) Burning 3) Cutting 4) Grinding 5) Drilling 6) Internal combustion engines a. 1, 5, 6 b. 1, 2 c. 1, 2, 3 d. 1, 2, 3, 4 e. 1, 2, 3, 4, 5, 6

E

In a generator, the direction of the induced emf can be determined by applying Fleming's ______ Hand Rule. a. Back b. Two c. Inverse d. Left e. Right

E

List the main elements of a fire protection system for an industrial site. a. Fire pump b. Main water piping loops c. Sectional control valves d. Hydrants e. All

E

List the responsibilities of a Standby Persons. a. A standby person must be present while a worker is inside a confined space. b. The standby person must be in continuous communication with the worker. c. The standby person must have a means to immediately summon rescue personnel. d. A, C e. A, B, C

E

List work permit types are most commonly used. a. Work Clearance b. Hot Work Permits c. Cold Work Permits d. Confined Space Entry Permits e. All of the above

E

Not all workers are covered by provincial legislation. The typical major exceptions are? a. Domestic workers b. Federal government employees c. Workers in federally regulated industries d. Agricultural workers e. All of the above

E

On the Bellows type of indicating mechanism used in conjunction with orifice plate, the bellows are filled with what? a. Water b. Mercury c. Alcohol d. Methyl hydrate e. Ethylene glycol and water

E

Paralleling alternators require the following conditions: 1) It must be in phase with the system 2) The incoming alternator must be the same voltage as the system 3) Its phase sequence must be the same as the system 4) Alternator frequency and system frequency must be the same a. 1, 3, 4 b. 1, 2, 3 c. 2, 3, 4 d. 1, 2, 4 e. 1, 2, 3, 4

E

Resistance: 1) Limits current flow 2) Depends on material 3) Depends on temperature 4) Depends on dimensions a. 1, 3, 4 b. 1, 2, 3 c. 1, 2, 4 d. 2, 3, 4 e. 1, 2, 3, 4

E

Speed control is usually restricted to ________ motors: 1) Series 2) Shunt 3) Residual 4) Compounded a. 1, 2 b. 1, 3 c. 1, 4 d. 2, 3 e. 2, 4

E

Starting methods and devices used on electric motors are used to ____________________________. a. increase voltage during start up b. increase power factor c. increase current when starting d. increase starting torque e. reduce voltage during start up

E

The emf induced in a moving conductor depends on__________________. a. the load b. the back emf c. the temperature d. the counter current e. the speed of the moving conductor

E

The key elements of a successful emergency response plan are: a. Identification of the most probable emergencies b. Notification process (who and when) c. Determining the immediate personnel actions to be taken d. Minimization of adverse effects on personnel, property, and environment e. All

E

The permit is an agreement between the issuer and the receiver that documents what? a. Conditions b. Preparations c. Precautions d. Limitations e. All of the above

E

The quantity of current flow depends on _________________________. a. the intensity of the emf b. the conventional current flow c. electron theory d. the resistance in amps e. the intensity of the resistance

E

The root-mean-square value is: 1) 70.7% of the amplitude 2) 70.7% of the maximum instantaneous current 3) Termed the effective value 4) The amount of AC which will produce the same as a given amount of DC a. 1, 2, 3 b. 2, 3, 4 c. 1, 3, 4 d. 1, 2, 4 e. 1, 2, 3, 4

E

The three-point starter for DC motors has connections for: 1) Line 2) Positive 3) Negative 4) Field 5) Armature a. 1, 2, 3, 4 b. 2, 3, 4, 5 c. 1, 3, 4, 5 d. 1, 2, 3 e. 1, 4, 5

E

WHMIS is a system of information delivery listed below are the three key elements, what is the order that these items should take place? a. Labels on hazardous materials and their containers. b. Material Safety Data Sheet (MSDS) - Technical bulletins that provide detailed hazards. precautionary information on the product c. Worker Education programs which provide instruction on hazards and training in the workplace. d. A, C, B e. A, B, C f. B, A, C

E

What are some examples of Class B hazards? a. Working without protective equipment. b. Working with inadequate lighting or ventilation. c. A slippery oil condition on main aisle way. d. A broken tread at bottom of office stairs. e. All of the above

E

What is Flexible Non-Metallic Pipe or Tubing commonly used for? a. Buried flammable and combustible liquid service b. Instrumentation tubing c. Non-potable process or cooling water service d. Small bore process piping e. Instrumentation tubing, water and steam piping to sample coolers

E

What should the end shields hold? a. The armature conductors at the ends of the armature. b. The field windings tightly to the field poles. c. The brushes in contact with the armature. d. The rotor and the armature together. e. The bearing housings.

E

Why are the connections on the floor below the fire used most frequently? a. This allows the use of the connections on the fire floor as well. b. The fire is approached from below rather than above. c. If the fire were approached from above with the stair doors open and the heat of the fire rising, it would be similar to approaching the fire through a chimney. d. It is easier to go up than down. e. A, B, C f. All

E

Workplace labels must contain the following information: a. Product Identifier b. Information for Safe Handling c. This section may contain hazard symbols, first aid measures, safe handling and storage procedures, personal protective equipment, and so on. d. Reference to the MSDS e. All

E

Wound rotor induction motors ___________________. a. require less maintenance than squirrel cage motors b. are less complicated in construction than other motors c. are more reliable d. are not very reliable e. are used to control speed

E

Cleaning and purging are preparation procedures carried out prior to work entry into a confined space. These cleaning procedures include ___________________. a. steam cleaning b. water cleaning c. neutralization d. descaling e. special solvent application f. All of the above

F

Injuries and accidents must be reported if they ___________________. a. involve the collapse or failure of a necessary component of a building or structure b. result in death c. cause a worker to be admitted to hospital for more than two days d. involve an unplanned or uncontrolled explosion, fire or flood that causes a serious injury, (or has the potential to cause a serious injury) e. involve the collapse or upset of a crane, derrick or hoist f. All of the above

F

List applications of wetpipe systems: a. Office buildings b. Stores c. Manufacturing facilities d. Hotels e. Health care facilities f. All

F