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Mass Transfer

Mass Transfer
Rate of leaching increases with increasing

Size of the solid
Viscosity of solvent
Pressure
Temperature

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Mass Transfer
The value of NA/(NA + NB) for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is

2
1
0.5
∞

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

None of these
Straight line
Slightly concave downward
Slightly concave upward

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Surface renewal
Film
None of the listed here
Penetration

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Not required
Calculated
Unknown
Known

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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)

μ²
1/μ
√μ
μ

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