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Mass Transfer

Mass Transfer
Leaching of sugar from sugar beets is done by

Dilute H₂SO₄
Hot water
Hexane
Lime water

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Mass Transfer
The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate.

Above
Across
Both A & B
Neither A nor B

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

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

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Mass Transfer
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is

0.017
0.31
0.215
0.107

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Mass Transfer
Ammonia present in the coke oven gas is removed by washing with

Ethanolamine
Caustic solution
Dilute HCl
Dilute ammoniacal liquor

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Mass Transfer
Mass transfer co-efficient of liquid is

Affected more by temperature than that for gases
Not affected by the temperature
None of these
Affected much less by temperature than that for gases

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