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Mass Transfer

Mass Transfer
Humid volume, at a given temperature is a/an __________ function of humidity.

Linear
Logarithmic
Exponential
Inverse

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Mass Transfer
When an unsaturated air-water mixture is heated at constant pressure, then

The partial pressure of water vapour increases
The specific humidity decreases
The relative humidity decreases
The relative humidity increases

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Mass Transfer
Leaching of coffee from coffee beans is done by

Dilute H₂SO₄ (hot)
Hexane
Lime water
Hot water

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Mass Transfer
Small dia distillation column can be a

Packed column
Any of these
Sieve tray
Bubble cap

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Mass Transfer
The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )

T
T3
T1.5
√T

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Mass Transfer
The relative saturation of an unsaturated mixture of gas and vapor is independent of the

Nature of the vapor
Temperature of the mixture
Composition of the mixture
None of these

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