The main for a panelboard may be either a(n) ____ or a circuit breaker.
A. fuse
B. appliance
C. busbar
D. pole
Answer: A
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Select one breed from each of the seven groups. What are the characteristics of the different breeds?
What will be an ideal response?
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____ science is the study of the interaction of building systems and components, occupants, and the surrounding environment, focusing on the flows of heat, air and moisture.
A. Material B. Architecture C. Construction D. Building
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Which of these is a computer output?
A) O2S B) Fuel injector C) PCM D) MAP
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Because the motor is connected to the power line regardless of which direction it operates, ____ contactor(s) is (are) needed for each direction.
A. two B. the same C. no D. a separate
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