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Mass Transfer

Mass Transfer
An azeotropic mixture is a __________ mixture.

Binary
Ternary
None of these
Constant boiling point

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Mass Transfer
Raoult's law is applicable to the

Non-ideal gases
Real solutions
Ideal solutions
Mixture of water and alcohol

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Mass Transfer
For gas absorption, low viscosity solvents are preferred, because of their

Rapid absorption rates
Low pumping pressure drop
All of these
Better flow characteristics

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Mass Transfer
Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.

Chemical properties
Physical properties
Interfacial area
Degree of turbulence

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Mass Transfer
Stage efficiency in a leaching process depends on the

Vapour pressure of the solution
Both A & B
Rate of diffusion of the solute through the solid and into the liquid
Time of contact between the solid and the solution

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Mass Transfer
Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the

Kinematic viscosity
Mass transfer co-efficient
Thermal diffusivity
Volumetric diffusivity

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