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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Chaperon equation is applicable for registration at

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

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Refrigeration and Air Conditioning
The specific humidity during humidification process

Increases
None of these
Decreases
Remains constant

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Refrigeration and Air Conditioning
For evaporators and condensers, for the given conditions, the logarithmic mean temperature difference (tm) for parallel flow is ________ that for counter flow.

Less than
Equal to
None of these
Greater than

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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
Same
More
More or less depending on ambient conditions

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Refrigeration and Air Conditioning
Absorption system normally uses the following refrigerant

Freon-11
Freon-22
Ammonia
CO2

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Refrigeration and Air Conditioning
During humidification process, __________ increases.

Wet bulb temperature
Dry bulb temperature
Specific humidity
Relative humidity

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