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Mass Transfer

Mass Transfer
An azeotropic mixture is a __________ mixture.

Binary
None of these
Ternary
Constant boiling point

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

Maximum permissible
Operating
Minimum
Total

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Force
Thermal
Pressure
Concentration

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Mass Transfer
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is

0.215
0.31
0.017
0.107

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Mass Transfer
Equilibrium-moisture curves of different solids

Are same
Are different
Depend on the humidity of the gas
None of these

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Mass Transfer
Diameter to height ratio for a rashig ring is

1
5
0.5
2

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