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Mass Transfer

Mass Transfer
Surface renewal model of mass transfer was enunciated by

Fick
Stefan
Toor and Marchello
Danckwerts

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Mass Transfer
A slurry is to be dried to produce flaky solid. Which dryer would you recommend?

Dielectric dryer
Spray dryer
Drum dryer
Rotary dryer

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Mass Transfer
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

1/√P
P
1/P
√P

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Mass Transfer
Desirable value of absorption factor in an absorber is

0.5
< 1
1
> 1

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Mass Transfer
Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is

Less
Unpredictable
Same
More

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

Truck drier
Fluidised bed drier
Vacuum shelf drier
Agitated pan drier

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MORE MCQ ON Mass Transfer

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