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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The wet bulb temperature during sensible cooling of air

Remains constant
Decreases
None of these
Increases

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

Dry bulb temperature
Specific humidity
Relative humidity
Wet bulb temperature

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Refrigeration and Air Conditioning
During humidification process, __________ increases.

Wet bulb temperature
Relative humidity
Dry bulb temperature
Specific humidity

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

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

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Refrigeration and Air Conditioning
Critical temperature is the temperature above which

Water will never evaporate
Water will evaporate
A gas will immediately liquefy
A gas will never liquefy

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Refrigeration and Air Conditioning
The evolution of heat of solution takes place in ammonia absorption plant when

Lithium bromide mixes with ammonia
Weak solution mixes with strong solution
Ammonia vapour goes into solution
Ammonia vapour is driven out of solution

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