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Mass Transfer

Mass Transfer
Pore size of the molecular seive 5A is __________ mm.

5
0.05
50
0.5

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Mass Transfer
Which of the following decreases during evaporative cooling process with recirculated water supply?

Wet bulb temperature
None of these
Partial pressure of vapour
Relative humidity

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Mass Transfer
For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law.

Remains same
Either A or B; depends on the gas
Decreases
Increases

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Mass Transfer
Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve)

S₁ x S₂
S₁/S₂
S₁ - S₂
S₂/S₁

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

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

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Mass Transfer
'ADDUCTS' and 'CLATHRATES' are used in case of

None of these
Extractive distillation
Absorption
Crystallisation

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