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Mass Transfer

Mass Transfer
Leaching rate is independent of the

Particle size
Temperature
Agitation
None of the listed here

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Mass Transfer
Cox chart is useful in the design of

Distillation column
Dryer
Crystalliser
Evaporator

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Mass Transfer
The binary diffusivity in gases and liquids vary respectively as

T3/2 and √T
T and T3/2
T3/2 and T
√T and T3/2

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Mass Transfer
The temperature of water cooled in cooling tower is always __________ temperature of entering air.

Equal to the wet bulb
Less than the wet bulb
Equal to the dry bulb
More than the wet bulb

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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

Mass transfer co-efficient
Thermal diffusivity
Volumetric diffusivity
Kinematic viscosity

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Mass Transfer
When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.

Same as
Always lower than
Always higher than
Dependent on the system; can be either lower or higher than

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