Explore topic-wise MCQs in Refrigeration.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Refrigeration knowledge and support exam preparation. Choose a topic below to get started.

1.

A Boot-strap air cooling system is used for a transport aircraft to take 10TR of refrigeration load (Q). The power required for the refrigerating system P is 800 KW. What is its COP?

A. 0.06426
B. 0.04375
C. 0.05435
D. 0.04367
Answer» C. 0.05435
Discussion
2.

The air cooling system that is used mostly in transport type aircraft is?

A. Boot-strap air cooling system
B. Simple air cooling system
C. Simple evaporative cooling system
D. Regenerative air cooling system
Answer» B. Simple air cooling system
Discussion
3.

Mass of air per tonne of refrigeration will be _____ in Boot-strap air cooling system than Boot-strap evaporative system.

A. less
B. more
C. equal to
D. can’t say
Answer» C. equal to
Discussion
4.

What is the difference between Boot-strap air cooling system and Boot-strap evaporative cooling system?

A. Boot strap evaporative system has an evaporator
B. Boot strap evaporative system has two evaporators
C. Boot-strap evaporator eliminates the need for evaporator
D. Boot-strap evaporator system has three evaporators
Answer» B. Boot strap evaporative system has two evaporators
Discussion
5.

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

A. Isentropic ramming
B. Isentropic compression
C. Cooling of ram air
D. Isothermal expansion
Answer» E.
Discussion
6.

In Boot-strap air cooling system how many heat exchangers are there?

A. 1
B. 2
C. 3
D. 0
Answer» C. 3
Discussion