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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
90-100
44119
70-80

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Mass Transfer
Inside the distillation columns, the

Vapors are not always at their dew points
Driving force for the liquid flow is its weight
Highest temperatures is near the feed plate
All of these

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Mass Transfer
Which of the following remains constant during evaporative cooling process with recirculated water supply?

Wet bulb temperature
None of these
Partial pressure of vapour
Relative humidity

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Mass Transfer
Leaching of sugar from sugar beets is done by

Hexane
Lime water
Hot water
Dilute H₂SO₄

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Mass Transfer
Which of the following unit operations makes use of Thiele-Geddes equation?

Multicomponent absorption with chemical reaction
Solid-liquid extraction
Liquid-liquid extraction
Multicomponent distillation

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Mass Transfer
Which of the following assumes constant molal vaporisation and overflow?

Enthalpy concentration method
McCabe-Thiele method
Ponchan-Savarit method
Plate absorption column

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