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Mass Transfer

Mass Transfer
If f = moles of vapour present per mole of feed, then the slope of feed line is

(1 - f)/f
- (f - 1)/f
- f/(1 - f)
- 1/f

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Mass Transfer
The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an

Ternary mixture
Binary mixture
Insoluble binary system
Pure component

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Mass Transfer
Pressure drop through plate tower as compared to that through packed tower, for the same duty will be

More
Less
Equal
Either A or B; depends on the packing height

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Mass Transfer
In triangular co-ordinates, the ternery composition point falls __________ of the triangle.

On the sides
None of these
Inside
In the corners

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Mass Transfer
During constant rate period, the rate of drying decreases with the

Neither A nor B
Both A & B
Decrease in air temperature
Increase in air humidity

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Mass Transfer
Rose oil is extracted from rose leaves using __________ distillation.

High pressure
Steam
Extractive
Low pressure

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