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18.SSC JE (ME)II Refrigeration and Air Conditioning Booster Quiz-3

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Question 1

Consider a Carnot refrigerator working between

. Calculate the work requirement, If the refrigerator receives

of heat

Question 2

For a definite ideal refrigeration cycle, the COP of heat pump is found out to be

. For a situation in which the cycle, under the very condition running as heat engine will have efficiency to be:

Question 3

Moisture in Freon refrigeration system causes _________.

Question 4

It is very vital to remove moisture from the refrigerant to avoid

Question 5

State which of the following statements are TRUE?

1) The purpose of psychrometric calculations is to fix the supply air conditions

2) The purpose of psychrometric calculations is to find the load on the building

3) In a 100% re-circulation system, the coil ADP is equal to room ADP

4) In a 100% re-circulation system, the coil ADP is less than room ADP

Question 6

Which of the following statements are TRUE?

Question 7

A Bell Coleman cycle is:

Question 8

Lowering the evaporator pressure in a vapour compression cycle

Question 9

On psychrometric chart, wet bulb temperature lines are _________.

Question 10

Out of the following refrigerant shown below, which of the following has the maximum ozone depletion potential in the stratosphere?

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Jul 25AE & JE Exams