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 _____.
a. reversing valve b. indoor fan relay c. compressor and outdoor fan motor d. electric heaters
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
What type of wrench would be used if the wrench must totally surround the nut?
A. open-end B. box-end C. flare nut D. torque
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.