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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
Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture.

Unbound
Bound
Free
Equilibrium

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Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Increased reflux ratio
None of these
Greater degree of separation with a fixed number of trays
Increased reboiler load

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Mass Transfer
The relative saturation of an unsaturated mixture of gas and vapor is independent of the

Nature of the vapor
Temperature of the mixture
Composition of the mixture
None of these

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Mass Transfer
Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower.

Perforated tray
Packed
Bubble cap
Wetted wall

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

All of these
Ammonia in water
Benzol present in coke oven gas by wash oil
SO₂ in alkaline solution

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