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Mass Transfer

Mass Transfer
In paper industry, paper is dried in a __________ dryer.

Festoon
Conveyor
Tunnel
Heated cylinder

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Mass Transfer
The most economical range of absorption factor is

2 to 2.5
2.5 to 3
1.25 to 2
5 to 10

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

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

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Mass Transfer
For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same.

Both A & B
Unsaturated surface
Neither A nor B
Constant rate

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Mass Transfer
Ordinary diffusion process is also called __________ diffusion.

Thermal
Concentration
Pressure
Forced

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Mass Transfer
In which of the following unit operations, the selectivity is an important parameter?

None of these
Solvent extraction
Distillation
Absorption

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