Q23
In a refrigeration cycle, the flow of refrigerant is controlled by
A.
Compressor
B.
Condenser
C.
Evaporator
D.
Expansion valve
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.