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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The difference between dry bulb temperature and wet bulb temperature, is called

Dew point depression
Wet bulb depression
Dry bulb depression
Degree of saturation

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Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

Carbon dioxide
Lithium bromide
R-12
Sulphur dioxide

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

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

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Refrigeration and Air Conditioning
During a refrigeration cycle, heat is rejected by the refrigerant in a

Compressor
Expansion valve
Condenser
Evaporator

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Refrigeration and Air Conditioning
The boiling point of ________ is 10.5°C.

R-12
Carbon dioxide
Ammonia
Sulphur dioxide

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Refrigeration and Air Conditioning
In aqua ammonia and Lithium bromide water absorption refrigeration systems, the refrigerants are respectively

Water and water
Ammonia and lithium bromide
Ammonia and water
Water and lithium bromide

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MORE MCQ ON Refrigeration and Air Conditioning

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