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Mass Transfer

Mass Transfer
According to the film theory of mass transfer, the mass transfer co-efficient is proportional to (where, D = molecular diffusivity)

D0.5
D
D2
1/D

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

Fluidised bed
None of these
Tray
Rotary

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Mass Transfer
The relative volatility of a binary mixture at the azeotropic composition is

∞
1
> 1

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

Uranium from its ore
Ammonia from coke oven gas
Water from petrol
None of the listed here

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Mass Transfer
In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed

q < 1
q > 1
q = 1
q = 0

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Mass Transfer
When the feed to a distillation column is a saturated liquid, slope of the feed line is

Infinity
Zero
Unity
None of these

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