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

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

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Refrigeration and Air Conditioning
Dry bulb temperature is the temperature of air recorded by a thermometer, when

The moisture present in it begins to condense
Its bulb is surrounded by a wet cloth exposed to the air
It is not affected by the moisture present in the air
None of the listed here

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