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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Where does the lowest temperature occur in a vapour compression cycle?

Compressor
Evaporator
Condenser
Expansion valve

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Refrigeration and Air Conditioning
The wet bulb depression indicates _________ humidity of the air.

Specific
Absolute
None of these
Relative

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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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Refrigeration and Air Conditioning
The superheated vapour region, in a pressure enthalpy chart, is represented by the space

None of these
To the right of saturated liquid line
To the left of saturated liquid line
Between the saturated liquid line and saturated vapour line

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Refrigeration and Air Conditioning
The lowest temperature during the cycle in a vapour compression system occurs after

Condensation
Evaporation
Expansion
Compression

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Refrigeration and Air Conditioning
In a spray washing system, if the temperature of water is higher than the dry bulb temperature of entering air, then the air is

Heated and dehumidified
Cooled and dehumidified
Cooled and humidified
Heated and humidified

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