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Mass Transfer

Mass Transfer
Sand is dried in foundaries in a___drier.

Vacuum
Rotary
Fluidisedbed
Spray

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Mass Transfer
In most of the vacuum crystalliser, vacuum is generally produced by means of a

Suction pump
None of these
Compressed air jet
Steam jet ejector with a barometric condenser

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Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

1
> 1
∞

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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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Mass Transfer
Mass transfer co-efficient is defined as

Flux=concentration difference/co-effi-cient
Flux = Co-efficient/concentration difference
Co-efficient = Flux/concentration difference
None of the listed here

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Mass Transfer
In physical terms, Schmidt number means

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

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MORE MCQ ON Mass Transfer

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