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Mass Transfer

Mass Transfer
__________ column is used in gas absorption process.

Wetted wall
Seive/perforated tray
Bubble cap
Packed

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Mass Transfer
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

Total
Maximum permissible
Minimum
Operating

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Mass Transfer
Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. )

(1 + Ri) = Ro/Ri
(1 - Ri) = Ro/Ri
(1 + Ro) = Ro/Ri
(1 - Ro) = Ro/Ri

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

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

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

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

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Mass Transfer
In distillation, overhead product contains

Only saturated liquid
Only one component
Two components
Any number of components

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