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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

R-12
Carbon dioxide
Sulphur dioxide
Lithium bromide

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Refrigeration and Air Conditioning
In chemical dehumidification process,

Dry bulb temperature increases
All of these
Wet bulb temperature decreases
Dew point temperature decreases

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Evaporator and compressor
Compressor and condenser
Receiver and evaporator
Condenser and receiver

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Refrigeration and Air Conditioning
As relative humidity decreases, the dew point temperature will be ___ wet bulb temperature.

Lower than
Higher than
Same as
None of the listed here

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Refrigeration and Air Conditioning
The humidification process, on the psychrometric chart is shown by

Inclined line
Curved line
Vertical line
Horizontal line

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Refrigeration and Air Conditioning
Air refrigerator works on

Reversed Carnot cycle
Bell Coleman cycle
None of these
Both (A) and (B)

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MORE MCQ ON Refrigeration and Air Conditioning

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