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Mass Transfer

Mass Transfer
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is

2
1
0.6
0.5

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Mass Transfer
Absorption accompanied by heat evolution results in

Increased capacity of the absorber
None of these
Decrease in equilibrium solubility
Increase in equilibrium solubility

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Mass Transfer
Alcohol is dehydrated using __________ distillation.

Extractive
Azeotropic
Molecular
Steam

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Mass Transfer
In a binary system, separation is very efficient, when the relative volatility is

< 1
> 1
1
0.5

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Mass Transfer
Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty?

Bubble cap column
Randomly packed column
Wetted wall column
Sieve plate column

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Mass Transfer
For a distillation column operating at minimum reflux, the

None of these
Reflux ratio will be maximum
Number of plates required will be maximum
Concentration of liquid and vapour leaving a plate will be same

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