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Mass Transfer

Mass Transfer
Sticky material can be dried in a __________ dryer.

Tray
Fluidised bed
None of these
Rotary

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Mass Transfer
The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same.

Heat and mass
Heat and momentum
Mass and momentum
Heat, momentum and mass

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Mass Transfer
An azeotropic mixture is a __________ mixture.

Ternary
Binary
Constant boiling point
None of these

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Mass Transfer
Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation.

Vacuum
None of these
Atmospheric
High pressure

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Mass Transfer
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

Wetted wall columns
Plate towers
Packed towers
Spray towers

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Mass Transfer
Minimum possible diameter of a packed coloumn is decided mainly by the

Liquid density
Flooding
Liquid hold up
Gas viscosity

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