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Mass Transfer

Mass Transfer
Schmidt number is given by

Μ/ρDAB
Re.Pe
Sh x Pe
Re/Pe

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Mass Transfer
Which of the following is the most commonly used leaching solvent in vegetable oil industry?

Liquid SO₂
Hexane
Phenol
Furfurol

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Mass Transfer
In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

Approach is 10°F
Neither A nor B
Both A & B
Range is 15°F

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Mass Transfer
The value of NA/(NA + NB), for steady state equimolal counter diffusion of two gases 'A' and 'B' is

2
∞
0.5
1

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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

0.31
0.215
0.107
0.017

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Mass Transfer
A slurry is to be dried to produce flaky solid. Which dryer would you recommend?

Spray dryer
Rotary dryer
Drum dryer
Dielectric dryer

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