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Mass Transfer

Mass Transfer
According to Chilton-Colburn analogy for mass transfer, NSt.NSc2/3 is equal to

2f
1/f
F/2
F

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Mass Transfer
Absorption accompanied with chemical reaction is exemplified by the absorption of

SO₂ in alkaline solution
All of these
Ammonia in water
Benzol present in coke oven gas by wash oil

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Mass Transfer
When the feed to a distillation column is a saturated liquid, slope of the feed line is

Unity
Zero
Infinity
None of these

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Mass Transfer
1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is

0.4
0.25
0.2
0.175

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Mass Transfer
Humid volume, at a given temperature is a/an __________ function of humidity.

Logarithmic
Linear
Exponential
Inverse

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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
Straight
Neither A nor B
Parallel

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