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Mass Transfer

Mass Transfer
Molarity is defined as the number of gm moles of solute per __________ of solvent.

c
Kg
Litre
Gm

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Mass Transfer
At a fixed total pressure, humidity depends only on the

None of these
Partial pressure of vapour in the mixture
Heat capacity of the vapour
Density of the vapour

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Mass Transfer
In case of liquids, the binary diffusivity is proportional to (where, T = temperature)

1/T
√T
T²
T

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

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

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Mass Transfer
Separation of __________ employs gaseous diffusion process.

Isotopes of helium
Isotopes of uranium
SO₂ and air
N₂ and O₂ from air

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Mass Transfer
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler

Increases
And the heat required in reboiler decreases
Remains unaffected
Decreases

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