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Mass Transfer

Mass Transfer
__________ column is used in gas absorption process.

Packed
Seive/perforated tray
Wetted wall
Bubble cap

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Mass Transfer
Unit of molal diffusivity is

Cm²/sec gm . mole
Gm moles/cm². sec
Gm moles/cm² . sec
Gm moles/cm. sec

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Mass Transfer
Fenske equation determines the

Height of the distillation column
Optimum reflux ratio
Minimum number of theoretical plates
Maximum number of ideal plates

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Mass Transfer
Boiling point diagram is not affected by the ambient

Humidity
Both B and C
Temperature
Pressure

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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
Thermal diffusivity
Mass transfer co-efficient
Volumetric diffusivity

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-0.6
0.6
-1.5
1.5

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