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Mass Transfer

Mass Transfer
A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

30-40
70-80
44119
90-100

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Mass Transfer
The adiabatic saturation curve for a vapour-gas mixture is

None of these
Straight line
Slightly concave downward
Slightly concave upward

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Mass Transfer
Extraction of pencillin employs a __________ extraction coloumn.

None of these
Plate
Centrifugal
Packed

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

?
None of these
1

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Mass Transfer
Boiling point diagram is not affected by the ambient

Pressure
Humidity
Temperature
Both B and C

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Mass Transfer
In most of the vacuum crystalliser, vacuum is generally produced by means of a

Compressed air jet
Suction pump
None of these
Steam jet ejector with a barometric condenser

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