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.

Calculate the power required (P) for maintaining the cabin temperature, when the COP of the regenerative cooling system is given to be 0.25 and the refrigeration load (Q) is 25.

A. 305
B. 350
C. 530
D. 503
Answer» C. 530
Discussion
2.

Simple air cooling system gives maximum cooling effect on ground surface whereas regeneration cooling system has more effect during high speeds.

A. True
B. False
Answer» B. False
Discussion
3.

Which of the following is not a process in the T-s diagram of the regeneration cooling system?

A. Isentropic ramming
B. Isentropic compression
C. Cooling of air by ram air in the heat exchanger and then cooling of air in regenerative heat exchanger
D. Isothermal expansion
Answer» E.
Discussion
4.

Cooling system used for supersonic aircrafts and rockets is?

A. Simple air cooling system
B. Simple evaporative cooling system
C. Boot-strap cooling system
D. Regeneration cooling system
Answer» D. Regeneration cooling system
Discussion
5.

Regeneration cooling system is a modification of _________

A. simple air cooling system
B. simple evaporative cooling system
C. boot-strap cooling system
D. boot-strap evaporative cooling system
Answer» B. simple evaporative cooling system
Discussion