Refrigeration and Air Conditioning
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called

Relative humidity
Absolute humidity
Degree of saturation
Humidity ratio

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Refrigeration and Air Conditioning
The bypass factor of a cooling coil decreases with

Decrease in fin spacing and increase in number of rows
Decrease in fin spacing and decrease in number of rows
Increase in fin spacing and decrease in number of rows
Increase in fin spacing and increase in number of rows

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