Home
Home >> Engineering>> Mechanical Engineering>> Refrigeration & Air-Conditioning

Refrigeration & Air-Conditioning MCQ Question with Answer

Refrigeration & Air-Conditioning MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Download Refrigeration & Air-Conditioning MCQ Question Answer PDF

Question No : 29
Highest pressure encountered in a refrigeration system should be

Critical pressure of refrigerant
Much below critical pressure
Much above critical pressure
Near critical pressure
View Answer   Discuss

Question No : 30
In vapour compression refrigeration system, refrigerant occurs as liquid between

Condenser and expansion valve
Compressor and evaporator
Expansion valve and evaporator
Compressor and condenser
View Answer   Discuss

Question No : 31
A vapour absorption refrigeration system

Gives noisy operation
Gives quiet operation
Requires little power consumption
Cools below 0°C
View Answer   Discuss

Question No : 32
The human body feels comfortable when the heat stored in the body is

Positive
Negative
Zero
None of these
View Answer   Discuss

Question No : 33
In case of sensible cooling of air, the coil efficiency is given by

B.P.F. - 1
1 - B.P.F.
1/ B.P.F.
1 + B.P.F.
View Answer   Discuss

Question No : 34
A reversible engine has ideal thermal efficiency of 30%. When it is used as a refrigerating machine with all other conditions unchanged, the coefficient of performance will be

1.33
2.33
3.33
4.33
View Answer   Discuss

Question No : 35
Highest temperature encountered in refrigeration cycle should be

Near critical temperature of refrigerant
Above critical temperature
At critical Temperature
Much below critical temperature
View Answer   Discuss