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Mass Transfer

Mass Transfer
The-relative volatility for separation of a non-ideal binary mixture by distillation should be

1
> 1
< 1

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Mass Transfer
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

Packed tower
Sieve tray column
Bubble cap column
Agitated vessel

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Mass Transfer
Schmidt number is given by

Re/Pe
Sh x Pe
Μ/ρDAB
Re.Pe

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Mass Transfer
In extractive distillation, solvent is

Added to alter the relative volatility of the mixture
Of high volatility
Of high viscosity to give high tray efficiency
Present in overhead stream

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Mass Transfer
In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

Neither A nor B
Liquid
Both A & B
Gas

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Mass Transfer
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).

71 min
51 min
94 min
15 min

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