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Mass Transfer

Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

-ve
+ve
∞

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

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

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Mass Transfer
For the same process conditions, the reflux ratio of an unlagged distillation column

Increases in summer
Increases in winter
None of these
Decreases in winter

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Mass Transfer
Which of the following binary systems is an example of a maximum boiling azeotrope?

Acetone-carbon disulphide
Water-ethyl alcohol
Water-hydrochloric acid
None of the listed here

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Mass Transfer
The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an

Binary mixture
Insoluble binary system
Ternary mixture
Pure component

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Mass Transfer
Which of the following is a suitable absorbent for removal of H₂S from natural gas?

Hot water
Vetrocoke solution
Monoethanol amine (MEA)
Dilute

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