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Mass Transfer

Mass Transfer
Sticky material can be dried in a __________ dryer.

Fluidised bed
Rotary
None of these
Tray

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Mass Transfer
The dimension of diffusivity is same as that of the

Molal concentration
Density
Velocity head
Kinematic viscosity

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Mass Transfer
As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches

That of normal condensation
Zero
None of these
Integral heat of adsorption

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Mass Transfer
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number.

Stanton
Schmidt
Peclet
Sherwood

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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.

Grashoff
Sherwood
Lewis
None of these

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

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

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