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Mass Transfer

Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

∞
1
> 1

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Mass Transfer
The reciprocal of stripping factor is termed as

Absorption factor
Relative volatility
Selectivity index
Murphree efficiency

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Mass Transfer
In a binary system, separation is very efficient, when the relative volatility is

1
< 1
0.5
> 1

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Mass Transfer
In batch distillation with constant reflux, overhead product composition __________ with time.

May increase on decrease, depends on the system
Decreases
Increases
Does not vary

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Mass Transfer
Mass transfer co-efficient varies as DAB0.5, according to the __________ theory.

None of these
Surface renewal
Penetration
Film

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Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

F = 1
F < 1
F > 1
0 < f < 1

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