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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The horizontal and non-uniformly spaced lines on a psychrometric chart indicates

Dry bulb temperature
Specific humidity
Wet bulb temperature
Dew point temperature

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Refrigeration and Air Conditioning
Air conditioning means

Dehumidifying
All of these
Cooling
Heating

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Refrigeration and Air Conditioning
The dry bulb temperature during sensible heating of air

Increases
Remains constant
None of these
Decreases

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

Remains constant
Increases
None of these
Decreases

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Refrigeration and Air Conditioning
Most of the domestic refrigerators work on the following refrigeration system

Vapour compression
Electrolux refrigerator
Carnot cycle
Vapour absorption

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Refrigeration and Air Conditioning
A valve which maintains a constant degree of superheat at the end of the evaporator coil, is called

Automatic expansion valve
High side float valve
Low side float valve
Thermostatic expansion valve

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MORE MCQ ON Refrigeration and Air Conditioning

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