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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
During humidification process, __________ increases.

Relative humidity
Specific humidity
Dry bulb temperature
Wet bulb temperature

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

Higher than
Lower than
Same as
None of the listed here

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Refrigeration and Air Conditioning
The capillary tube is not used in large capacity refrigeration systems because

It is made of copper
Required pressure drop cannot be achieved
Capacity control is not possible
Cost is too high

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Refrigeration and Air Conditioning
During cooling and dehumidification, dry bulb temperature

Increases
Remains constant
Decreases
None of these

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Refrigeration and Air Conditioning
The human body feels comfortable when the heat stored in the body is

Negative
Positive
None of these
Zero

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Refrigeration and Air Conditioning
In vapour compression cycle the condition off refrigerant is dry saturated vapour

Before entering the compressor
Before passing through the condenser
After passing through the expansion or throttle valve
After passing through the condenser

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