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Mass Transfer

Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

+ ve
1
- ve
-1

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Mass Transfer
Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

None of the listed here
Film
Surface renewal
Penetration

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Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

F > 1
F < 1
F = 1
0 < f < 1

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Mass Transfer
The boiling points of pure components of a binary system __________ with increase in total pressure of the system.

May increase or decrease, depends on the system
Increases
Remains unchanged
Decreases

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Mass Transfer
Penetration model (theory) for mass transfer was enunciated by

Toor and Marchello
Danckwerts
Kissinevskii
Higbie

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

Dielectric dryer
Rotary dryer
Spray dryer
Drum dryer

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