Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

Mass Transfer
Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are

1

8

10

9

1

8

10

9

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Mass Transfer
Hypersorption refers to a __________ process.

Moving bed absorption

Fixed bed adsorption

Moving bed adsorption

Fixed bed absorption

Moving bed absorption

Fixed bed adsorption

Moving bed adsorption

Fixed bed absorption

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Mass Transfer
With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature)

Decreases linearly

Decreases

Increases

Remains unchanged

Decreases linearly

Decreases

Increases

Remains unchanged

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Mass Transfer
The percentage humidity is less than the relative humidity only at __________ percent humidity.

Hundred

Both zero and hundred

None of these

Zero

Hundred

Both zero and hundred

None of these

Zero

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

Insoluble binary system

Ternary mixture

Binary mixture

Pure component

Insoluble binary system

Ternary mixture

Binary mixture

Pure component

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Mass Transfer
Which of the following mixtures does not form an azeotrope at atmosheric pressure?

Butyl acetate-water

Methyl alcohol-acetone

None of these

Water-alcohol

Butyl acetate-water

Methyl alcohol-acetone

None of these

Water-alcohol

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Mass Transfer

Mass Transfer Hypersorption refers to a __________ process.

Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature)

Mass Transfer The percentage humidity is less than the relative humidity only at __________ percent humidity.

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

Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure?

Mass Transfer
Hypersorption refers to a __________ process.

Mass Transfer
With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature)

Mass Transfer
The percentage humidity is less than the relative humidity only at __________ percent humidity.

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

Mass Transfer
Which of the following mixtures does not form an azeotrope at atmosheric pressure?