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Mass Transfer

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

Tray
Spray
Packed
Bubble

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Mass Transfer
For the same system, if the same liquid used in an absorber is decreased, the tower height will

Remain unaffected
Increase
Decrease or increase ; depends on the type of liquid
Decrease

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Mass Transfer
Degree of freedom for leaching and solvent extraction process is

2
1
3

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Mass Transfer
Removal of __________ exemplifies an adsorption unit operation.

None of the listed here
Water from petrol
Ammonia from coke oven gas
Uranium from its ore

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Mass Transfer
Overall efficiency of the distillation column is

The ratio of number of ideal plates to actual plates
The ratio of number of actual plates to ideal plates
Always more than the point efficiency
Same as the Murphree efficiency

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Mass Transfer
At minimum reflux ratio for a given separation

Number of plates is infinity
Number of plates is zero
Minimum number of the theoretical plates is required
Separation is most efficient

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