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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.

Bubble
Packed
Tray
Spray

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Mass Transfer
As complete saturation of an adsorbent is approached, the differential heat of adsrop-tion approaches

None of these
Zero
That of normal condensation
Integral heat of adsorption

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Mass Transfer
In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.

Increases with increase in
Is one at unity value of
Neither A nor B
Both A and B

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Mass Transfer
At a fixed total pressure, humidity depends only on the

Heat capacity of the vapour
None of these
Partial pressure of vapour in the mixture
Density of the vapour

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Mass Transfer
Steam distillation is used to separate

Mixtures of low relative volatility
Heat sensitive materials
High boiling substances from nonvolatile impurities
Azeotropes

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Mass Transfer
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

Neither A nor B
Straight
Parallel
Both A & B

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