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Mass Transfer

Mass Transfer
Small dia distillation column can be a

Packed column
Bubble cap
Any of these
Sieve tray

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Mass Transfer
Design calculation for multiple component distillation is done by

Enthalpy concentration method
Mccabe-Thiele method
Ponchon-Savarit method
Tray to tray calculations

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Mass Transfer
Pick out the system with minimum boiling azeotrope at 1 atm.

All of these
Benzene-toluene
Ethyl alcohol-water
Hydrochloric acid-water

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Mass Transfer
The change in enthalpy per unit weight of adsorbed gas when adsorbed on gas free or "outgassed" adsorbent to from a definite concentration of adsorbate is called its

Heat of normal condensation
Heat of wetting
Differential heat of adsorption
Integral heat of adsorption

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Cooled
Dehumidified
Both A & B
Humidified

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

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

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