1000+ Refrigeration and Air Conditioning Question Bank Pdf - 1
Question: 1
The change in temperature resulting from a gas expanding from one constant pressure, with no heat transfer and no external work other than to maintain the constant pressure is known as
(A) Kinetic theory of gases
(B) Joule Thomson effect
(C) Law of conservation of energy
(D) Dalton's law of partial pressures
Ans: B
Joule Thomson effect
Question: 2
In a refrigerator, evaporator is located
(A) adjacent to compressor
(B) inside the refrigerator cabinet
(C) behind the refrigerator cabinet
(D) on the bottom of refrigerator cabinet
Ans: B
inside the refrigerator cabinet
Question: 3
Which of the following is not a property of carbon dioxide?
(A) pungent odour
(B) colourless
(C) non-toxic
(D) non-inflammable
Ans: A
pungent odour
Question: 4
The ratio of sensible heat to total heat is known as
(A) sensible heat factor
(B) relative humidity
(C) humidification ratio
(D) dew point
Ans: A
sensible heat factor
Question: 5
In a vapour compression cycle, the lowest temperature occurs in
(A) compressor
(B) condenser
(C) evaporator
(D) expansion valve
Ans: C
evaporator
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