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Mass Transfer

Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

1.5
0.6
-0.6
-1.5

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Mass Transfer
Which is the controlling factor for a drum drier?

Both A & B
Diffusion
Heat transfer
Neither A nor B

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

None of these
Straight line
Slightly concave upward
Slightly concave downward

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Mass Transfer
All moisture in a non-hygroscopic material is the __________ moisture.

Bound
Free
Equilibrium
Unbound

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Mass Transfer
Chemisorption compared to physical absorption has

Lower adsorption rate
None of these
Lower capacity of the solvent for the solute gas
Increased utilisation of stagnant zones of the liquid phase

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Mass Transfer
In a packed bed absorption column, the channelling will be noted by the

Increase in flow rate
Sharp drop in pressure drop
Sharp rise in pressure drop
None of these

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