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Mass Transfer

Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

< 1
1
> 1

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Mass Transfer
Minimum possible diameter of a packed coloumn is decided mainly by the

Liquid hold up
Flooding
Liquid density
Gas viscosity

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Mass Transfer
The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is

2
1
0.5
∞

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Mass Transfer
Rotary dryers cannot handle __________ materials.

Dry
Sticky
Grannular
Free flowing

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Mass Transfer
Binary distillation involves the mass transfer by __________ at the gas-liquid interface.

Either A or B
Unidirectional diffusion from gas to liquid phase
Unidirectional diffusion from liquid to gas phase
A counter diffusion at an almost equal molar rate

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Mass Transfer
The Kundsen diffusivity is proportional to (where, T = absolute temperature)

T²
√T
T
T⁴

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MORE MCQ ON Mass Transfer

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