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Mass Transfer

Mass Transfer
__________ columns are used for liquid dispersion in a continuous gas phase.

Packed
Bubble cap
Sieve plate
Pulse

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Mass Transfer
Chemisorption compared to physical absorption has

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

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Mass Transfer
At minimum reflux ratio for a given separation

Number of plates is zero
Number of plates is infinity
Separation is most efficient
Minimum number of the theoretical plates is required

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

None of these
Unity
Infinity
Zero

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

Both A & B
Neither A nor B
Diffusion
Heat transfer

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Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

Always < 1
None of these
G/L
L/G

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