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Mass Transfer

Mass Transfer
__________ developed the film theory.

Ergun
Levenspeil
Fick
Higbie

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Mass Transfer
As the reflux ratio decreases, the

Separation becomes more efficient
None of these
Column diameter increases
Number of plates increases

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Mass Transfer
The Schmidt number which is defined as, μ/ρ D, is the ratio of the

Momentum diffusivity to the thermal diffusivity
Momentum diffusivity to the mass dif-fusivity
None of these
Thermal diffusivity to the mass diffusivity

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Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

Spray
None of these
Indirect tray
Freeze

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Mass Transfer
Ordinary diffusion process is also called __________ diffusion.

Forced
Pressure
Thermal
Concentration

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Mass Transfer
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent

A binary mixture
A ternary mixture
Partially miscible ternary system
A pure component

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