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Mass Transfer

Mass Transfer
_______ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.

Stanton
Lewis
Peclet
Sherwood

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Mass Transfer
Sodium bicarbonate is produced during soda ash manufacture using a __________ tower.

Baffle
Plate
Packed
None of these

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Mass Transfer
Very tall packed towers are divided into series of beds to

Avoid channelling
Reduce the overall pressure drop
Reduce liquid hold-up
Avoid flooding

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Mass Transfer
Agitator is provided in a crystalliser for

All of these
Crystal growth
Avoiding deposition on cooler surfaces
Formation of nuclei

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Mass Transfer
At a fixed total pressure, humidity depends only on the

Partial pressure of vapour in the mixture
Density of the vapour
None of these
Heat capacity of the vapour

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Mass Transfer
According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity)

√μ
μ
μ²
1/μ

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