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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

F/2
1/f
F
2f

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Mass Transfer
An azeotropic mixture is a __________ mixture.

Binary
Ternary
None of these
Constant boiling point

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Mass Transfer
In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit)

Straight
Neither A nor B
Parallel
Both A & B

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Mass Transfer
A good solvent used for absorption should not have very high

Viscosity
All of these
Freezing point
Vapor pressure

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Mass Transfer
Operating velocity in a packed tower is usually __________ the flooding velocity.

Equal to
More than
Half
Twice

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Mass Transfer
Leaching rate is independent of the

Particle size
Temperature
Agitation
None of the listed here

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