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Mass Transfer

Mass Transfer
The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line)

LG/m
L/mG
G/mL
ML/G

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Mass Transfer
A slurry is to be dried to produce flaky solid. Which dryer would you recommend?

Rotary dryer
Drum dryer
Spray dryer
Dielectric dryer

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Mass Transfer
The dimension of diffusivity is same as that of the

Molal concentration
Density
Velocity head
Kinematic viscosity

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Mass Transfer
Lewis number (Le) is

St x Sh
Sh x Pr
Sc x Pr
Pr x St

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Mass Transfer
Flooding in a column results due to

High pressure drop
High temperature
Low pressure drop
Low velocity of the liquid

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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

0.5
∞
2
1

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