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17.SSC JE (ME)II Refrigeration and Air Conditioning Booster Quiz-2

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Question 1

Determine the coefficient of performance (COP) of a Carnot cycle refrigerator operating between 250 K and 300 K.

Question 2

In the evaporator of a vapour compression refrigeration system:

1) A low temperature is maintained so that heat can flow from the external fluid to the evaporator

2) Refrigeration effect is produced as the refrigerant liquid vaporizes

3) A low pressure is maintained so that the compressor can run

4) All of the above

Question 3

The refrigeration load of domestic refrigerator is of the order of

Question 4

The most suitable refrigerant for a commercial ice plant is ________.

Question 5

The value of COP of refrigeration plant is 5. The heat rejection ratio of this plant is ______.

Question 6

The expansion process in the throttling device of a vapour compression cycle is

Question 7

Lithium bromide in vapour absorption refrigeration system is used as ___________.

Question 8

The un-desirable property of a refrigerant is

Question 9

An air washer can work as a

Question 10

Sensible heat factor is given by ___________. (Where S.H. - Sensible Heat, L.H. - Latent Heat).

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