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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During humidification process, __________ increases.

Dry bulb temperature
Specific humidity
Relative humidity
Wet bulb temperature

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Refrigeration and Air Conditioning
The specific humidity during humidification process

Decreases
Remains constant
Increases
None of these

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Refrigeration and Air Conditioning
The sub-cooling in a refrigeration cycle

None of these
Decreases C.O.P.
Does not alter C.O.P.
Increases C.O.P.

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Refrigeration and Air Conditioning
Under cooling in a refrigeration cycle

O.P remains unaltered
Other factors decide C.O.P
Decreases C.O.P
Increases C.O.P

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

Compression
Condensation
Evaporation
Expansion

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Refrigeration and Air Conditioning
When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be

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

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