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Refrigeration and Air Conditioning

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

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

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Refrigeration and Air Conditioning
Moisture should be removed from refrigerants to avoid

All of these
Restriction to refrigerant flow
Corrosion of steel plates
Freezing at the expansion valve

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Refrigeration and Air Conditioning
During dehumidification process, _________ remains constant.

Relative humidity
Specific humidity
Dry bulb temperature
Wet bulb temperature

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Refrigeration and Air Conditioning
In a vapour compression cycle, the refrigerant immediately after expansion valve is

Wet vapour
Liquid
Saturated liquid
Sub-cooled liquid

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Refrigeration and Air Conditioning
Which of the following cycles uses air as the refrigerant?

Ericson
Bell Coleman
Stirling
Carnot

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Refrigeration and Air Conditioning
Aqua ammonia is used as refrigerant in the following type of refrigeration system

Absorption
Compression
Direct
Indirect

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