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Mass Transfer

Mass Transfer
Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as

K ∝ D
K ∝ D2
K ∝ D1.5
K ∝ √D

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

Pure component
Binary mixture
Insoluble binary system
Ternary mixture

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Mass Transfer
A binary mixture of benzene and cyclohexane is separated by

Ordinary distillation
Flash vaporisation
Extractive distillation
Solvent extraction

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Mass Transfer
The reciprocal of stripping factor is termed as

Relative volatility
Selectivity index
Murphree efficiency
Absorption factor

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Mass Transfer
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the

Humid heat
Latent heat
Sensible heat
Specific heat

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Mass Transfer
To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate)

Increase both 'G' and 'S'
Increase 'S' and decrease 'G'
Increase 'G' and decrease 'S'
Decrease both 'G' and 'S'

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