To control ice build-up on a heat pump outdoor coil in the heating cycle, a ____ is used.
A. toggle switch
B. pressure differential switch
C. push button switch
D. sail switch
Answer: B
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Explain why it may or may not be justified to keep a computer system on continuously.
What will be an ideal response?
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Answer the following statement(s) true (T) or false (F)
Rough openings always have load bearing headers above them.
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Refrigeration refers to space temperatures:
A) Below 0°F. B) Below 32°F. C) Below 40°F. D) Below 60°F.
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If a 47 ?F capacitor is connected to a 20 V, 400 Hz source, the current is ________
A) 425 A B) 0.851 A C) 2.36 A D) 8.51 A
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