A refrigeration system designed for the storage of flowers or candy is considered a ____ type.

A. high temperature
B. medium temperature
C. low temperature
D. sharp freezing


Answer: A

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When cranes are used to hoist people, the weight of the load cannot exceed _____.

a. 80 percent of its capacity b. 70 percent of its capacity c. 60 percent of its capacity d. 50 percent of its capacity

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Technician A says that by full fielding the alternator, you are bypassing the voltage regulator. Technician B says that full fielding can possibly damage electronic circuits, so it is no longer a recommended test. Who is right?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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Lower cutting speeds are used when machining:

A) Tough materials B) Hard materials C) Abrasive materials D) All of the above

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To use the electronic leak detector, the system must contain at least some refrigerant. If the system is operating with a small leak, plenty of pressurized refrigerant is left in the system. But if the system is void of refrigerant, it must first be pressurized with __________, to which a trace of refrigerant has been added.

A. halogen B. hydrogen C. nitrogen D. oxygen

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