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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
The specific humidity during cooling and dehumidification

None of these
Remains constant
Decreases
Increases

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Refrigeration and Air Conditioning
The refrigerant used for absorption refrigerators working on heat from solar collectors is a mixture of water and

Sulphur dioxide
Lithium bromide
R-12
Carbon dioxide

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

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

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Refrigeration and Air Conditioning
Air conditioning means

Dehumidifying
Cooling
All of these
Heating

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Refrigeration and Air Conditioning
During humidification process, __________ increases.

Dry bulb temperature
Wet bulb temperature
Specific humidity
Relative humidity

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Refrigeration and Air Conditioning
Short horizontal lines on pressure-enthalpy chart show

Constant temperature lines
Constant pressure lines
Constant total heat lines
Constant entropy lines

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