A) Evaporator
B) Double pipe heat exchanger
C) Refrigerator
D) None of the above
The correct option is C) Refrigerator.
A heat pump is defined as an electrical device which is used for extracting heat from one place and transfer it to another. The transfer of heat in a heat pump is done by using refrigerant through the cycle of evaporation and condensation.
Refrigerators and air conditioners are examples of heat pumps.
