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Mass Transfer

Mass Transfer
Rayleigh's equation applies to __________ distillation.

Flash
Continuous
Steam
Differential

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Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Spray
Packed
Tray
Bubble

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Mass Transfer
The binary diffusivity in gases and liquids vary respectively as

T and T3/2
√T and T3/2
T3/2 and √T
T3/2 and T

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Mass Transfer
In case of an ideal solution, the total vapor pressure varies __________ with the composition expressed as mole fraction,

Inversely
None of these
Exponentially
Linearly

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

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

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Mass Transfer
Which of the following is the most suitable for extraction in a system having very low density difference?

Mixer-settler extractor
Centrifugal extractor
Packed extraction tower
Pulsed extractor

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