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Mass Transfer

Mass Transfer
Leaching of coffee from coffee beans is done by

Hot water
Lime water
Dilute H₂SO₄ (hot)
Hexane

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Mass Transfer
If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

Both A & B
Neither A nor B
Parallel
Straight

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Mass Transfer
For a single component absorber, the operating line is straight only when plotted in term of __________ units.

Mole ratio
None of these
Mole fraction
Partial pressure

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Mass Transfer
Chemisorption (chemical adsorption) is

Same as "Van der Waals" adsorption
A reversible phenomenon
Characterised by adsorption of heat
An irreversible phenomenon

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Mass Transfer
Cox chart is useful in the design of

Evaporator
Crystalliser
Dryer
Distillation column

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Mass Transfer
The most efficient cooling tower out of the following is

Atmospheric
Induced draft
Natural draft
Forced draft

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