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Mass Transfer

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

Packed
Sieve plate
Pulse
Bubble cap

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Mass Transfer
Which of the following decreases during evaporative cooling process with recirculated water supply?

Partial pressure of vapour
Wet bulb temperature
Relative humidity
None of these

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Mass Transfer
Use of packed towers for distillation is generally limited to the

High pressure operation
Multicomponent distillation
Vacuum distillation
Small sizes

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Mass Transfer
Stage efficiency in a leaching process depends on the

Both A & B
Time of contact between the solid and the solution
Vapour pressure of the solution
Rate of diffusion of the solute through the solid and into the liquid

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Mass Transfer
Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate.

Decreases
Increases
Does not affect
Exponentially increases

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Mass Transfer
Rayleigh's equation applies to __________ distillation.

Continuous
Steam
Flash
Differential

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