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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During humidification process, __________ increases.

Relative humidity
Wet bulb temperature
Specific humidity
Dry bulb temperature

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Refrigeration and Air Conditioning
In a refrigeration cycle, the flow of refrigerant is controlled by

Expansion valve
Evaporator
Compressor
Condenser

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Refrigeration and Air Conditioning
The unit of thermal diffusivity is

m/hK
m²/h
m/h
m²/hK

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Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

Saturation point of vapour
Triple point
Saturation point of liquid
Sublimation temperature

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Refrigeration and Air Conditioning
The superheating in a refrigeration cycle

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

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Refrigeration and Air Conditioning
The refrigeration effect in a dry evaporator compared to flooded evaporator in a similar plant is

Less
More or less depending on ambient conditions
More
Same

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