What component of mechanical refrigeration systems is a heat exchanger that uses the refrigerant to remove heat and, in the process, the refrigerant evaporates?
A) Receiver
B) Compressor
C) Evaporator
D) Condenser
Answer: C
Explanation: A) Incorrect. A receiver is a tank that stores the liquid phase refrigerant once it leaves the condenser.
B) Incorrect. A compressor is a device used to increase the pressure of a refrigerant in the gas phase.
C) Correct. An evaporator is a heat exchanger that uses the refrigerant to remove heat and, in the process, the refrigerant evaporates.
D) Incorrect. A condenser is a device used to cool the gas phase refrigerant from the compressor so that it condenses back into a liquid phase.
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