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Mass Transfer

Mass Transfer
Small dia distillation column can be a

Sieve tray
Any of these
Bubble cap
Packed column

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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

Thermal diffusivity
Kinematic viscosity
Volumetric diffusivity
Mass transfer co-efficient

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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
Bound
Unbound
Free

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Mass Transfer
In case of non-ideal gases and liquids, the molal diffusivity

Varies directly as the pressure
Varies inversely as the pressure
Is equal to the volumetric diffusivity
Is independent of pressure

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Mass Transfer
Which of the following is not a continuous drier?

Drum drier
Spray drier
Tray drier
Tunnel drier

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Mass Transfer
With increase in temperature, the rate of leaching increases, because the

None of these
Viscosity of solvent decreases
Thermal conductivity of solute increases
Diffusivity of solute increases

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