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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The condition of refrigerant as it leaves the compressor in a vapour compression system is

Saturated liquid
Wet vapour
Superheated vapour
Dry saturated vapour

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Refrigeration and Air Conditioning
The wet bulb temperature at 100% relative humidity is ________ dew point temperature.

Higher than
Same as
None of these
Lower than

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Refrigeration and Air Conditioning
During sensible heating of air _________ decreases.

Relative humidity
Wet bulb temperature
Specific humidity
Dry bulb temperature

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Refrigeration and Air Conditioning
In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the

Condenser to the expansion valve
Condenser to the evaporator
Expansion valve to the evaporator
Evaporator to the thermostat

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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
In refrigerators, the temperature difference between the evaporating refrigerant and the medium being cooled should be

Any value
As low as possible (3 to 11°C)
Zero
High, of the order of 25°

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