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Mass Transfer

Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

P
√P
1/P
1/√P

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Mass Transfer
Raoult's law is applicable to the

Non-ideal gases
Mixture of water and alcohol
Real solutions
Ideal solutions

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Mass Transfer
With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible.

Increases
Remains same
Increases linearly
Decreases

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Mass Transfer
Tea percolation employs

Absorption
Liquid-liquid extraction
Leaching
None of these

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Mass Transfer
Wet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.

78
100
None of these
50

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Pressure
Force
Thermal
Concentration

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