Which refrigerant oil is not characterized as hygroscopic?

a. POE
b. PVE
c. PAG
d. Alkylbenzene


b. PVE

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What term refers to the release of energy during a chemical reaction?

A) Exothermic B) Endothermic C) Heterogeneous D) Immiscible

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Gerbils should be picked up by the tail

Indicate whether the statement is true or false

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After grass seeds germinate, the soil should not be allowed to dry out until the grass is what height?

a. 2 inches c. 3 inches b. 2.5 inches d. 3.5 inches

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Some vehicles have a cooler in the return line from the steering gear to the pump

Indicate whether the statement is true or false

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