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Mass Transfer

Mass Transfer
During drying operation, it is easier to remove the __________ moisture.

Bound
Equilibrium
Critical
Unbound

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Mass Transfer
With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

Decreases
Remains same
Increases
May increase or decrease ; depends on individual design

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Mass Transfer
In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number.

Sherwood
Grashoff
Lewis
None of these

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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
SO₂ in alkaline solution
Ammonia in water

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Mass Transfer
Large scale drying of sugar is done in a __________ dryer.

Tray
Spouted bed
Truck
Rotary

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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.

Minimum
Operating
Maximum permissible
Total

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