Mass Transfer
Relative humidity is the ratio of the

Actual humidity to saturation humidity
None of these
Partial pressure of the vapour to the vapour pressure of the liquid at room temperature
Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature

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Mass Transfer
The McCabe Δ L law states that the

Linear crystal growth rate depends on the crystal size
Molar heats of vaporisation of components are nearly equal
Linear crystal growth rate does not depend on the crystal size
Linear crystal growth rate depends on the degree of supersaturation

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