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Mass Transfer

Mass Transfer
In paper industry, paper is dried in a __________ dryer.

Heated cylinder
Tunnel
Festoon
Conveyor

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Mass Transfer
Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)

Log P vs . T
T vs . P
P vs . log T
Log P vs. log T

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Mass Transfer
During drying of a solid, the critical moisture content increases with

Increased drying rate
Decreased drying rate
Increased thickness of the solid
Both B and C

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Mass Transfer
In distillation, overhead product contains

Any number of components
Only one component
Only saturated liquid
Two components

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Mass Transfer
COâ‚‚ can be absorbed by

Alumina
Heated charcoal
Hot cupric oxide
Cold Ca(OH)â‚‚

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Mass Transfer
If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm.

2.5 to 3
3 to 4
5
1.2 to 1.5

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MORE MCQ ON Mass Transfer

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