Which refrigerant oil is not characterized as hygroscopic?
a. POE
b. PVE
c. PAG
d. Alkylbenzene
b. PVE
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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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What term refers to the release of energy during a chemical reaction?
A) Exothermic B) Endothermic C) Heterogeneous D) Immiscible
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