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Mass Transfer

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

More
Same
Unpredictable
Less

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Mass Transfer
__________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation.

Furfural
Hexane
Butyl acetate
Benzol

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Mass Transfer
For ethanol-water system, the lowering of distillate quality from 95% to 92% will cause __________ plate requirement.

Major decrease in the number of
No change in theoretical
Marginal decrease in the number of
None of the listed here

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Mass Transfer
Which of the following solutions will follow Raoult's law most closely?

A solution of benzene, toluene and oxylene
35% solution of NH₃ in water
A solution of polar organic compounds (not of homologs of a series)
35% solution of camphor in water

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

Bubble cap
Packed
Pulse
Sieve plate

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

1
+ ve
-1
- ve

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