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Mass Transfer

Mass Transfer
Danckwerts developed the __________ theory.

Surface renewal
Penetration
Film
None of these

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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

Volumetric diffusivity
Kinematic viscosity
Mass transfer co-efficient
Thermal diffusivity

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Mass Transfer
For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will

Remain same
Data insufficient, can't be predicted
Increase
Decrease

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Mass Transfer
Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.

Critical
Free
Bound
Unbound

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

Spray
Indirect tray
None of these
Freeze

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Mass Transfer
Free flowing granular materials can be best dried in a __________ drier.

Rotary
Freeze
Cylinder
Drun

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