Vapour Compression Refrigeration Systems MCQs : This section focuses on the "Vapour Compression Refrigeration Systems" in Refrigeration and Air Conditioning. These Multiple Choice Questions (MCQs) should be practiced to improve the Refrigeration and Air Conditioning skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Vapour-compression refrigeration used in?
A. domestic refrigerators
B. commercial refrigerators
C. large-scale warehouses
D. All of the above
Question 2
Vapor-compression uses a circulating liquid refrigerant as the medium which absorbs and removes heat from the space to be cooled and subsequently rejects that heat elsewhere.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 3
Circulating refrigerant enters the compressor in the thermodynamic state known as a?
A. condensed
B. saturated vapor
C. compressor
D. thermal expansion valve
Question 4
The condensed liquid refrigerant, in the thermodynamic state known as a?
A. unisaturated liquid
B. unsaturated liquid
C. saturated liquid
D. None of the above
Question 5
The vapor compression refrigeration system is similar to a ________
A. latent heat pump
B. latent heat engine
C. generator
D. evaporator
Question 6
In which case does the compression process remains in superheated state?
A. Wet state
B. Dry state
C. Semi-dry state
D. Always
Question 7
Refrigerating effect corresponds to which of the following processes?
A. Condensing process
B. Expansion process
C. Vaporizing process
D. Compression process
Question 8
Which case is when the refrigerant compression process is carried while it’s wet?
A. Dry state
B. Semi-dry state
C. Always
D. Wet state
Question 9
The COP of vapor compression refrigeration compared to simple air refrigeration system is ________
A. low
B. same
C. high
D. Can not say
Question 10
The superheated vapor then passes through the condenser.
A. Yes
B. No
C. Can be yes or no
D. Can not say