Chemical Engineering :: Mass Transfer
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__________ number indicates the ratio of the rates of the heat and mass transfer incase of a cooling tower.
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The expression, y(1 - x)/x(1 - y) is for
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In physical terms, Schmidt number means
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In case of liquids, the binary diffusivity is proportional to (where, T = temperature)
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The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of
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Mass transfer co-efficient is directly proportional to DAB0.5, according to __________ theory.
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Which of the following employs an accessory known as 'drift eliminator' ?
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Pick out the correct statement.
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Pick out the correct statement.
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A.
Higher hold up of the solid in the rotary dryer results in better exposure of the solids to the gas.
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B.
The 'Hatta number' is important in problems involving gas absorption without chemical reaction.
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C.
For a non-reacting binary mixture of ideal gases, the partial pressure distribution of both components is linear in the case of steady state equimolal counter-diffusion.
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D.
Total reflux in case of distillation operation requires infinite number of plates for a binary system separation.
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A.
For identical gas flow rates, less pressure drop occurs through a plate tower than through a packed tower.
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B.
Plate column can handle greater liquid loads without flooding than packed column, but the liquid hold up is more in the case of plate column.
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C.
For the same duty, plate columns weigh less than packed columns.
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D.
all (a), (b) and (c).
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