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Mass Transfer

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

Tunnel drier
Spray drier
Drum drier
Tray drier

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

Pulse
Packed
Bubble cap
Sieve plate

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Mass Transfer
For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of Hâ‚‚/ky.Cz is around

0.72
0.24
0.6
1

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Mass Transfer
Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution.

Viscosity
Degree of ideality
Both A & B
Neither A nor B

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Mass Transfer
In physical terms, Schmidt number means

Thermal diffusivity/momentum diffusivity
Mass diffusivity/thermal diffusivity
Thermal diffusivity/mass diffusivity
Momentum diffusivity/mass diffusivity

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

Zero
None of these
Infinity
Unity

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