?What is the low temperature material from which a heat pump absorbs heat?
A. ?sink
B. ?source
C. ?supply
D. ?storage
Answer: B
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In a centrifugal pump, liquid is ___________ into the suction eye.
a. sucked b. pushed
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Never attach a continuity tester to a circuit that is energized.
a. True b. False
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Most alternators use how many diodes to maintain a more constant output voltage?
A. 4 B. 8 C. 3 D. 6
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How is the minimum number of circuits for general illumination for a dwelling determined?
What will be an ideal response?
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