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Mass Transfer

Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

√T
1/T
T²
T

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Mass Transfer
Sticky material can be dried in a __________ dryer.

Tray
None of these
Fluidised bed
Rotary

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Mass Transfer
The expression, y(1 - x)/x(1 - y) is for

Absorption factor
Murphree efficiency
Relative volatility
Selectivity

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Mass Transfer
Make up water is required in a cooling tower to replace the water lost by

Blowdown and leakage
Drift
All of these
Evaporation

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Mass Transfer
Diameter of raschig rings used in packed tower in industry is normally around __________ inches.

8
2
12
18

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Mass Transfer
With increase in temperature, the leaching rate increases due to

Decreased liquid viscosity
Both A & B
Increased diffusivity
Neither A nor B

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