In an absorption refrigeration system, the compressor used in a compression refrigeration system is eliminated. Instead, the compressor's functions are performed by the:
a. condenser, expansion valve, and the receiver
b. evaporator, absorber and generator
c. generator pump, evaporator pump, and the absorber pump
d. absorber, generator, and the generator pump
e. evaporator, absorber, and the generator
Answer: D