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Mass Transfer

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
Degree of freedom for leaching and solvent extraction process is

1
3
2

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Mass Transfer
Which of the following binary systems is an example of a maximum boiling azeotrope?

Acetone-carbon disulphide
Water-ethyl alcohol
None of the listed here
Water-hydrochloric acid

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Mass Transfer
Which of the following mixtures does not form an azeotrope at atmosheric pressure?

Butyl acetate-water
Water-alcohol
None of these
Methyl alcohol-acetone

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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
Wetted wall column
Randomly packed column
Bubble cap column

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Mass Transfer
If the amount of the steam used in steam distillation is increased, the temperature of distillation

Remains unchanged
Increases
Depends on relative volatility
Decreases

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