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Refrigeration and Air Conditioning

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

None of the listed here
Lower than
Same as
Higher than

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Refrigeration and Air Conditioning
Absorption system normally uses the following refrigerant

Freon-22
Freon-11
Ammonia
CO2

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Refrigeration and Air Conditioning
Air refrigerator works on

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

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Refrigeration and Air Conditioning
The suction pipe diameter of refrigerating unit compressor in comparison to delivery side is

Smaller
Equal
Bigger
Smaller/bigger depending on capacity

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Refrigeration and Air Conditioning
The difference between dry bulb temperature and dew point temperature, is called

Wet bulb depression
Degree of saturation
Dry bulb depression
Dew point depression

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Refrigeration and Air Conditioning
For unsaturated air, the dew point temperature is __________ wet bulb temperature.

None of these
More than
Less than
Equal to

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