When checking the refrigerant charge for an operating system with a fixed metering device, the focus should

be on _____.

a. subcooling
b. superheat
c. saturation temperature
d. condensation temperature


b

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An alternative to grounding the secondary is to let it ____; that is, the secondary remains ungrounded.

A. sink B. float C. surface D. exit

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What is a working angle?

What will be an ideal response?

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?Combining calcium carbide and water produces ____.

A. ?acetylene and calcium hydroxide B. ?acetone and carbon monoxide C. ?propane and calcium hydroxide D. ?carbonated water and calcium hydroxide

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Who employs cooperative extension agents?

What will be an ideal response?

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