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Mass Transfer

Mass Transfer
Small dia distillation column can be a

Sieve tray
Bubble cap
Any of these
Packed column

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Mass Transfer
Unit of molal diffusivity is

Gm moles/cm. sec
Gm moles/cm². sec
Gm moles/cm² . sec
Cm²/sec gm . mole

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Mass Transfer
CO₂ can be absorbed by

Alumina
Cold Ca(OH)₂
Hot cupric oxide
Heated charcoal

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Mass Transfer
Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is

Insoluble in the liquid
Non-ideal in nature
At a fixed temperature
Soluble in the liquid

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Mass Transfer
__________ diffusion is used for separating the isotopes of methane.

Force
Pressure
Concentration
Thermal

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Mass Transfer
Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature)

P vs . log T
Log P vs . T
T vs . P
Log P vs. log T

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