Which of the following refrigerant oils is glycol-based?
A) Alkylbenzene
B) POE
C) PAG
D) PVE
Answer: C
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The process of removing heat from a place where it is not wanted and transferring that heat to a place where it makes little or no difference is known as ____.
A. cooling B. refrigeration C. defrosting D. temperature balancing
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In a closed-loop system, the same fluid (water or water and antifreeze) will absorb heat from the ground in the winter and reject the heat to the ground in the summer.
Answer the following statement true (T) or false (F)
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You can test the air compressor Governor by
Air brake
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In addition to physically holding the modules in place, the rack assembly also provides electrical connections between them.
Answer the following statement true (T) or false (F)
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