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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An Electrolux refrigerator is called a ___ absorption system.

Three fluids
None of the listed here
Single fluid
Two fluids

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Refrigeration and Air Conditioning
A vapour absorption refrigerator uses _________ as a refrigerant.

Water
Freon
Ammonia
Aqua-ammonia

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Refrigeration and Air Conditioning
In vapour compression cycle, the condition of refrigerant is very wet vapour

After passing through the expansion or throttle valve
After passing through the condenser
Before passing through the condenser
Before entering the compressor

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Refrigeration and Air Conditioning
Highest temperature encountered in refrigeration cycle should be

Much below critical temperature
At critical Temperature
Above critical temperature
Near critical temperature of refrigerant

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Refrigeration and Air Conditioning
The cooling system used for supersonic aircrafts and rockets is

Bootstrap air cooling system
Regenerative air cooling system
Reduced ambient air cooling system
Simple air cooling system

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Refrigeration and Air Conditioning
Which of the following refrigerant has the highest freezing point.

R-12
Carbon dioxide
Ammonia
Sulphur dioxide

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MORE MCQ ON Refrigeration and Air Conditioning

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