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Mass Transfer

Mass Transfer
H₂S present in naphtha reformed gas is removed by absorbing with

Ethanolamine
K₂CO₃
Vacuum gas oil
HCl

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

Insoluble binary system
Binary mixture
Ternary mixture
Pure component

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Mass Transfer
Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as

K ∝ D
K ∝ D2
K ∝ √D
K ∝ D1.5

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Mass Transfer
At 750°K and 1 atm, the approximate value of Schmidt number for air is

1
0.01
10
0.1

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Mass Transfer
Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid )

P >>P
P
P < P
P = P

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Mass Transfer
When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity.

Temperature rises
Pressure rises
Pressure falls
Temperature falls

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MORE MCQ ON Mass Transfer

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