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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)

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

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Mass Transfer
Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty?

Sieve plate column
Bubble cap column
Randomly packed column
Wetted wall column

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Sherwood
Peclet
Schmidt
Stanton

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Mass Transfer
Capacity of a rotary dryer depends on its

None of the listed here
R.p.m
Both Inclination with ground surface & R.p.m
Inclination with ground surface

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Mass Transfer
As the reflux ratio increases, the slope of the operating line for rectifying section

Data insufficient, cannot be predicted
Remains constant
Increases
Decreases

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

None of the listed here
Film
Penetration
Surface renewal

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