In a refrigeration cycle, the flow of refrigerant is controlled by

A Compressor
B Condenser
C Evaporator
D Expansion valve

Correct Answer: Expansion valve

The refrigerant vaporizes from the heat it absorbs heat in the evaporator. Flow control device (expansion valve): This controls the flow of the liquid refrigerant into the evaporator. Control devices usually are thermostatic, meaning that they are responsive to the temperature of the refrigerant.

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