Top 50+ Solved Vapour Compression Refrigeration MCQ Questions Answer
Q. Heat is rejected by the refrigerant, during vapour compression refrigeration cycle in
a. Compressor
b. Condenser
c. Evaporator
d. Throttle valve
Q. Wet compression vapour compression refrigeration cycle means
a. Vapour compression takes place in wet region
b. Vapour compression in dry region, but evaporation in wet region
c. vapour compression in wet region, but leaves in superheated region
d. None of the above
Q. With reciprocating compressor in vapour compression refrigeration system, wet compression is not desirable because
a. liquid trapped up in the head of cylinder may damage the compressor valves
b. COP of the cycle decreases
c. volumetric efficiency of compressor decreases
d. mass flow rate per ton of refrigerant increases
Q. An ideal refrigerant should have
a. low latent heat of vaporization
b. lower critical temperature
c. lower boiling point
d. high specific volume of vapour
Q. During compression in a vapour compression cycle the refrigerant is super heated
a. C.O.P is reduced
b. C.O.P is increased
c. Work done is reduced
d. Refrigerating effect is reduced