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Mass Transfer

Mass Transfer
If f = moles of vapour present per mole of feed, then the slope of feed line is

- f/(1 - f)
(1 - f)/f
- 1/f
- (f - 1)/f

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Mass Transfer
Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer.

None of these
Freeze
Indirect tray
Spray

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Mass Transfer
Cox chart is useful in the design of

Dryer
Distillation column
Evaporator
Crystalliser

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Mass Transfer
When both the fluids flow concurrently in an absorber, the slope of the operating line is

+ ve
1
-1
- ve

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Mass Transfer
Lewis number (Le) is

Sh x Pr
Pr x St
Sc x Pr
St x Sh

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

Liquid SO₂
Phenol
Furfurol
Hexane

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