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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
In a refrigeration system, heat absorbed in comparison to heat rejected is

More
Same
Less
More for small capacity and less for high capacity

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Refrigeration and Air Conditioning
Vertical lines on pressure-enthalpy chart show constant

Temperature lines
Total heat lines
Entropy lines
Pressure lines

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Refrigeration and Air Conditioning
During sensible cooling,

Wet bulb temperature increases
Relative humidity remains constant
Specific humidity increases
Partial pressure of vapour remains constant

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Refrigeration and Air Conditioning
The specific humidity during humidification process

Decreases
Remains constant
None of these
Increases

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Refrigeration and Air Conditioning
In a refrigerating machine, heat rejected is _________ heat absorbed.

Equal to
Greater than
None of these
Less than

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Refrigeration and Air Conditioning
The specific humidity during heating and humidification process.

Decreases
None of these
Remains constant
Increases

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