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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The capillary tube, as an expansion device, is used in

Water coolers
All of these
Room air conditioners
Domestic refrigerators

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is___ dry bulb temperature.

Same as
Lower than
Higher than
None of the listed here

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Refrigeration and Air Conditioning
Air refrigerator works on

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

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Refrigeration and Air Conditioning
The evaporator changes the low pressure liquid refrigerant from the expansion valve into

High pressure liquid refrigerant
Low pressure liquid and vapour refrigerant
None of these
Low pressure vapour refrigerant

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Refrigeration and Air Conditioning
During sensible cooling of air, specific humidity

Increases
None of the listed here
Decreases
Remains constant

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

Inclined line
Horizontal line
Curved line
Vertical line

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