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MASS TRANSFER

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

Both Pressure & Temperature
Pressure
Temperature
None of the listed here

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

Maximum permissible
Minimum
Total
Operating

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Mass Transfer
The commonly used solvent in supercritical extraction is

Water
Carbon tetrachloride
Carbon dioxide
Methyl ethyl ketone

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

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

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Mass Transfer
In case of unsaturated air

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

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