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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Most thermostatic expansion valves are set for a superheat of

20°C
5°C
10°C
15°C

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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
Same
More or less depending on ambient conditions

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

Relative humidity
Wet bulb temperature
Dry bulb temperature
Specific humidity

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Refrigeration and Air Conditioning
The superheating in a refrigeration cycle

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

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Refrigeration and Air Conditioning
The power per tonne of refrigeration is

3.5 × C.O.P.
O.P/3.5
None of these
3.5/C.O.P.

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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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MORE MCQ ON Refrigeration and Air Conditioning

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