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Mass Transfer

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

Conveyor
Festoon
Tunnel
Heated cylinder

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Mass Transfer
Plate efficiency in a distillation column is reduced due to the __________ of liquid.

Foaming
All of these
Entrainment
Weeping & dumping

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Mass Transfer
The temperature of water cooled in cooling tower is always __________ temperature of entering air.

Less than the wet bulb
More than the wet bulb
Equal to the dry bulb
Equal to the wet bulb

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Mass Transfer
In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is

S > 1
S = ∞
S = 1
S < 1

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Mass Transfer
The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called

None of these
Elutriation or elution
Percolation
Decoction

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Mass Transfer
Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method?

Partial condenser
Reboiler
Both B and C
Total condenser

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