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SSC JE ME QUIZ_ Refrigeration and Air Conditioning Booster Quiz-11
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Question 1
A reversible heat engine is operating between a source at T1 and a sink at T2. What will be the effect on efficiency if T2 decreases?
Question 2
COP of a domestic refrigerator as compared to that of an air conditioner is generally
Question 3
A heat engine having 70 % efficiency is used to drive a refrigerator having a COP of 5. The cooling produced by refrigerator per kJ energy absorbed by engine from heat source is
Question 4
Which of the following refrigerating plants requires no electricity?
Question 5
In ammonia-water vapour absorption refrigeration system
Question 6
The ratio of partial pressure of water vapour (Pv) to the saturation pressure of water vapour (Ps) at same temperature is
Question 7
The primary factors responsible for human comfort are
Question 8
Partial pressure of water vapour at dew point temperature of moist air is 1.5 × 10–3 MPa. The barometric pressure is 0.1 MPa. The specific humidity of air is
Question 9
Fittings in ammonia absorption refrigeration system are made of ________.
Question 10
Refrigerant-22 has chemical formula:
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