The coil power supply for most relays used in HVACR control circuits is _____.
a. 24VAC
b. 24VDC
c. 120VAC
d. 240VAC
a. 24VAC
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What are the three general categories of service robots and what does each type do?
What will be an ideal response?
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A ration is the amount of feed given to an animal during a 48-hour period
Indicate whether the statement is true or false.
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On an air cooled compressor, which of the following will wash lubricant from cylinder walls and cause piston wear allowing “blow-by” of vapor into the crankcase?
a. Slugging b. Flooding c. Starving d. Hemorrhaging
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An advantage of OVE framing is that it ________ a building's thermal efficiency
A) Does not affect B) Increases C) Decreases
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