When charging liquid refrigerant from a single valve supply cylinder, the cylinder is placed ____.

A. upside down
B. right side up
C. on its side
D. in any position indicated


Answer: A

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When troubleshooting a heat pump room thermostat, a jumper placed across subbase terminals R and Y will energize the _____.

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Heat that can be measured or sensed is referred to as:

a. latent heat of vaporization b. latent heat of condensation c. sensible heat d. latent heat of fusion

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You should use your mirrors to check:

a. The condition of your tires. b. Where the rear of your vehicle is while you make turns. c. Traffic gaps when merging. d. All of the above.

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