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Mass Transfer

Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

c
Kg
Gm
Litre

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Mass Transfer
Which of the following operations does not involve leaching?

Dissolving pharmaceutical products from bark or roots
Dissolving sugar from the cells of the beet
Removing nicotine from its water solution by kerosene
Dissolving gold from ores

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Mass Transfer
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.

Total
Minimum
Operating
Maximum permissible

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Mass Transfer
Schmidt number is given by

Sh x Pe
Re.Pe
Re/Pe
Μ/ρDAB

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Mass Transfer
Leaching of coffee from coffee beans is done by

Lime water
Hexane
Hot water
Dilute H₂SO₄ (hot)

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Mass Transfer
To remove all the moisture from a wet solid it requires exposure to __________ air.

Highly humid
None of these
High temperature
Perfectly dry

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