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Mass Transfer

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

Pulse
Packed
Bubble cap
Sieve plate

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Mass Transfer
The vapour pressure exerted by the moisture contained in a wet solid depends upon the

Nature of the moisture
Nature of the solid
All of these
Temperature

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Mass Transfer
Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer.

Same as
More than
Less than
Very much less

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Mass Transfer
At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes

?
1
None of these

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Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Increased reflux ratio
None of these
Greater degree of separation with a fixed number of trays
Increased reboiler load

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Mass Transfer
Wetted wall tower experiment determines the

Mass transfer co-efficient
Molal diffusivity
None of these
Volumetric co-efficient

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