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MASS TRANSFER

Mass Transfer
Gaseous diffusion co-efficient increases with increase in the

Both Pressure & Temperature
Pressure
None of the listed here
Temperature

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Mass Transfer
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.

Operating
Minimum
Total
Maximum permissible

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Mass Transfer
The commonly used solvent in supercritical extraction is

Methyl ethyl ketone
Carbon tetrachloride
Water
Carbon dioxide

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Mass Transfer
Which of the following has the same dimension as mass diffusivity?

Thermal diffusivity
Kinematic viscosity
Both Momentum flux & Kinematic viscosity
Momentum flux

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Mass Transfer
In case of unsaturated air

Wet bulb temperature < dry bulb temperature
Both of the options given here
Dew point < wet bulb temperature
None of the listed here

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