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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The capacity of a domestic refrigerator is in the range of

5 to 7 TR
0.1 to 0.3 TR
1 to 3 TR
3 to 5 TR

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Refrigeration and Air Conditioning
The evaporator used in household refrigerators is

Defrosting evaporator
Frosting evaporator
None of these
Non-frosting evaporator

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Refrigeration and Air Conditioning
Most thermostatic expansion valves are set for a superheat of

15°C
20°C
5°C
10°C

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Refrigeration and Air Conditioning
A bootstrap air cooling system has

Four heat exchangers
One heat exchanger
Two heat exchangers
Three heat exchangers

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Refrigeration and Air Conditioning
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

High, of the order of 25°
As low as possible (3 to 11°C)
Any value
Zero

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Refrigeration and Air Conditioning
In vapour compression cycle using NH₃ as refrigerant, initial charge is filled at

Suction of compressor
High pressure side close to receiver
Low pressure side near receiver
Delivery of compressor

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MORE MCQ ON Refrigeration and Air Conditioning

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