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16.SSC JE (ME)II Refrigeration and Air Conditioning Booster Quiz-1

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Question 1

In a laboratory, for ease of analysis, a heat pump assumed to be Carnot cycle, works between temperature limits of

and

. Calculate its COP.

Question 2

The difference between dry bulb and wet bulb temperature increases as _________.

Question 3

If a mass of moist air in an airtight vessel is heated to a higher temperature, then ______.

Question 4

The process of super-heating in a refrigeration cycle

Question 5

Out of the following refrigerant shown below, which of the following is highly toxic & flammable?

Question 6

Air refrigeration is preferably used in aircrafts because

Question 7

What is the bypass factor of 3 coils if the bypass factor of single coil is 0.7?

Question 8

In a cooling tower, the minimum temperature to which water can be possibly cooled is known as

Question 9

Fittings in ammonia absorption refrigeration system are made of ________.

Question 10

Hermetic compressors were developed to:

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Jun 14AE & JE Exams