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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
An evaporator is also known as

All of these
Freezing coil
Chilling coil
Cooling coil

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Refrigeration and Air Conditioning
The mass of water vapour present in __________ is called absolute humidity.

1 kg of dry air
1 m3 of dry air
1 kg of wet air
1 m3 of water

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Refrigeration and Air Conditioning
The specific humidity during dehumidification process

Remains constant
None of these
Increases
Decreases

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Refrigeration and Air Conditioning
The thermostatic expansion valve operates on the changes in the

None of these
Temperature of the evaporator
Pressure in the evaporator
Degree of superheat at exit from the evaporator

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Refrigeration and Air Conditioning
In a refrigeration system, the expansion device is connected between the

Compressor and condenser
Condenser and receiver
Receiver and evaporator
Evaporator and compressor

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Refrigeration and Air Conditioning
In a pressure enthalpy chart, the space to the left of the saturated liquid line represents

Sub-cooled liquid region
Wet vapour region
Superheated vapour region
None of the listed here

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