Refrigeration and Air Conditioning
The thermostatic expansion valve operates on the changes in the

Degree of superheat at exit from the evaporator
None of these
Temperature of the evaporator
Pressure in the evaporator

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Refrigeration and Air Conditioning
A refrigeration system

None of the listed here
Removes heat from a high temperature body and delivers it to a low temperature body
Removes heat from a low temperature body and delivers it to a high temperature body
Rejects energy to a low temperature body

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