The two most common types of overcurrent protective devices are _____

a. circuit breakers and fuses
b. heaters and blowers
c. Edison-base fuses and time-delay devices
d. safety switches and load centers


a

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After prolonged use, the head of a chisel becomes flared out from striking with a steel hammer, thus the chisel becomes _____ or burred.

A. gourded B. mashed C. cupped D. mushroomed

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What are the four requirements to correctly specify a position tolerance?

What will be an ideal response?

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Wire size is determined by

A) cross-sectional area B) whether it is solid or stranded C) length D) material

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Where is the accumulator located on a heat pump system?

A. between the evaporator inlet and the evaporator outlet B. between the evaporator outlet and the reversing valve C. between the compressor suction and the reversing valve D. between the compressor discharge and the reversing valve

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