Explore topic-wise MCQs in Refrigeration.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.

1.

If the compound vapour compression system is working under the load on the evaporator of 15 TR, the enthalpies corresponding to the evaporator are 1400 and 400 kJ/kg respectively. What is the value of the mass flow rate through the evaporator?

A. 3.75
B. 3.25
C. 3.15
D. 3.45
Answer» D. 3.45
Discussion
2.

What is the value of the load on the evaporator in terms of TR if the power required to drive the system is 25 kW and C.O.P. is 4?

A. 30.75
B. 28.25
C. 28.15
D. 28.57
Answer» E.
Discussion
3.

The complete desuperheating of the vapor refrigerant is not possible in case of water intercooling.

A. True
B. False
Answer» B. False
Discussion
4.

The water intercooling reduces the work to be done in low pressure compression.

A. True
B. False
Answer» C.
Discussion
5.

A compound vapor compression with a liquid subcooler and a liquid intercooler system is used to take 10 TR of refrigeration load (Q). The power required for the refrigerating system P is 557.7 W. What is its COP?

A. 6.87
B. 4.75
C. 3.77
D. 5.86
Answer» D. 5.86
Discussion