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Mass Transfer

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

3 to 4
2.5 to 3
5
1.2 to 1.5

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Mass Transfer
Hypersorption refers to a __________ process.

Fixed bed adsorption
Moving bed adsorption
Fixed bed absorption
Moving bed absorption

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Mass Transfer
In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of

-0.6
1.5
0.6
-1.5

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Mass Transfer
Total reflux in a distillation operation requires minimum

Number of plates
Reboiler load
Condenser load
All of these

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Mass Transfer
Diameter to height ratio for a rashig ring is

1
2
0.5
5

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Mass Transfer
__________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction.

Tray
Bubble
Packed
Spray

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