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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Hexane
Dilute H₂SO₄
Lime water
Hot water

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Mass Transfer
Critical humidity of a solid salt means the humidity

Above Which it will always become dry and below which it will always stay damp
Above which it will always become damp
Below which it will always stay dry
Both A and B

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Mass Transfer
Equilibrium-moisture curves of different solids

None of these
Are same
Depend on the humidity of the gas
Are different

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

Surface renewal
None of the listed here
Penetration
Film

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

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

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Mass Transfer
Paper industry employs __________ driers.

Spray
Rotary
Cylinder
Fluidised bed

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