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Process Technology Equipment, 2e (NAPTA)
Chapter 10 Power Transmission and Lubrication
1) What is the power consumed by a current of one amp using an electromotive force of one
volt?
A) Ohm
B) Amp
C) Watt
2) What is a unit of measure of the electrical current flow in an electrical circuit?
A) Ohm
B) Amp
C) Watt
D) Volt
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3) What voltage is used to supply indoor lighting?
A) 110
B) 220
C) 440
4) Which of the following is an example of a DC electrical power source?
A) Generators
B) Batteries
C) Transformers
D) Electric power converters
5) Which of the following is a characteristic of AC power?
A) Polarity is fixed.
B) Voltage remains constant.
C) It's easier to measure.
D) Polarity is switched repeatedly.
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6) What device steps down the electricity for residential consumers?
A) Power station
B) Substation
C) Feeder wires
7) Which of the following is a device that takes electricity of one voltage and changes it to
another voltage?
A) Fuse
B) Transformer
C) Circuit breaker
D) Motor control center
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8) Which of the following is a device used to protect equipment and electrical wiring from
overcurrent?
A) Fuse
B) Transformer
C) Circuit breaker
9) What are mechanical devices used to connect and transfer rotational energy from the shaft of
the driver to the shaft of the driven equipment?
A) Belts
B) Couplings
C) Chain
D) Sprocket
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10) What are flexible bands, placed around two or more pulleys or sheaves, which transmit
rotational energy?
A) Belts
B) Couplings
C) Chain
D) Sprocket
11) What type of coupling is used most frequently in general power transmission service?
A) Rigid
B) Fluid
C) Flexible
D) Rotating
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12) What type of belt is used with smaller drive pulleys?
A) V-belts
B) Standard
C) Light-duty
13) Which of the following is an advantage of a chain?
A) Minimal stretch
B) Noise is usually higher
C) Chains may elongate
D) Shorter shelf life
14) What type of bearings would you use in moderate-pressure applications and at low speeds?
A) Ball
B) Roller
C) Sleeve
D) Thrust
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15) What type of bearings would you use in smaller machinery and at low speeds?
A) Ball
B) Roller
C) Sleeve
16) What gear would you use in low-power applications?
A) Spur
B) Worm
C) Bevel
D) Helical
17) What gear would you use to obtain large speed reductions between nonintersecting shafts?
A) Spur
B) Worm
C) Bevel
D) Helical
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18) What type of lubricant uses an oil distribution system to transport the oil through a mist
generator to the lubricated parts?
A) Drip feed
B) Oil mist
C) Recycling
19) What type of lubricant is commonly called a bottle oiler?
A) Forced feed
B) Splash feed
C) Wick feed
D) Gravity feed
20) What type of lubricant is found in larger machinery?
A) Forced feed
B) Splash feed
C) Wick feed
D) Gravity feed
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21) What is designed to keep large, single-train, rotating equipment from sustaining serious
damage when upset conditions or component failures occur?
A) Clean liquid purges
B) Interlock protection
C) Vibration monitoring
D) Start-up and shutdown procedures
22) What may cause sudden surges that can shorten the life of the rotating equipment and cause
excessive stress on bearings, gears, seals, and other rotating equipment components?
A) Clean liquid purges
B) Interlock systems
C) Vibration
D) Improper start-up
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23) What is designed to be the "weak link" between the driver, gearbox, or machinery train?
A) Bearings
B) Couplings
C) Chains
D) Belts
24) Which of the following is a task that process technicians may have to complete during the
maintenance of power transmissions?
A) Switch oil filters
B) Check oil levels
C) Check the grease supply
