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Mass Transfer

Mass Transfer
If moisture content of solid on dry basis is X, then the same on wet basis is

(X + 1)/X
X/(X + 1)
X/(X - 1)
(X - 1)/X

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Mass Transfer
Which of the following mixtures does not form an azeotrope at atmosheric pressure?

Methyl alcohol-acetone
None of these
Butyl acetate-water
Water-alcohol

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Mass Transfer
In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing.

Smaller than
Either A, or B ; depends on the type of packing
Equal to
Greater than

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Mass Transfer
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

Total
Minimum
Operating
Maximum permissible

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Mass Transfer
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.

Maximum permissible
Minimum
Operating
Total

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Mass Transfer
Total reflux in a distillation operation requires minimum

All of these
Reboiler load
Number of plates
Condenser load

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