Refrigeration and Air Conditioning
A good refrigerant should have

High latent heat of vaporisation and low freezing point
High operating pressures and low freezing point
Low C.O.P. and low freezing point
High specific volume and high latent heat of vaporisation

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

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