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Mass Transfer

Mass Transfer
Tea percolation employs

None of these
Liquid-liquid extraction
Leaching
Absorption

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Mass Transfer
In physical terms, Schmidt number means

Thermal diffusivity/mass diffusivity
Thermal diffusivity/momentum diffusivity
Mass diffusivity/thermal diffusivity
Momentum diffusivity/mass diffusivity

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Mass Transfer
Hypersorption refers to a __________ process.

Fixed bed adsorption
Fixed bed absorption
Moving bed adsorption
Moving bed absorption

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Mass Transfer
At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.

Between 0 and 100
50
100

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Mass Transfer
The commonly used solvent in supercritical extraction is

Carbon tetrachloride
Water
Methyl ethyl ketone
Carbon dioxide

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Mass Transfer
During sensible cooling process

Relative humidity decreases
Relative humidity increases
Both B and C
Wet bulb temperature decreases

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