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Mass Transfer

Mass Transfer
Which of the following is not a continuous drier?

Spray drier
Drum drier
Tunnel drier
Tray drier

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Mass Transfer
Flooding results in

Good contact between the fluids
Low tray efficiency
High gas velocity
High tray efficiency

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Mass Transfer
Freundlich equation applies to the adsorption of solute from

None of these
Dilute solutions, over a small concentration range
Gaseous solutions at high pressure
Concentrated solutions

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Mass Transfer
The temperature of water cooled in cooling tower is always __________ temperature of entering air.

Equal to the dry bulb
Equal to the wet bulb
More than the wet bulb
Less than the wet bulb

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Mass Transfer
The most common packing used in industrial operations is __________ rings.

Raschig
Cross-partition
Single spiral
Lessing

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Mass Transfer
The dimension of diffusivity is same as that of the

Velocity head
Density
Molal concentration
Kinematic viscosity

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