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Mass Transfer

Mass Transfer
NSc/NPr is called the

Stantan number
Psychrometric ratio
Sherwood number
Lewis number

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Mass Transfer
Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture.

Unbound
Equilibrium
Free
Bound

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

Concentration
Pressure
Force
Thermal

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Mass Transfer
Boiling point diagram is

A plot of temperature vs. liquid composition
A plot of temperature vs. vapour composition
Not affected by pressure
Affected by pressure

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Mass Transfer
Mass transfer co-efficient varies as DAB0.5, according to the __________ theory.

Film
None of these
Penetration
Surface renewal

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Mass Transfer
Absorption factor is defined as (where, S₁ = slope of the operating line S₂ = slope of the equilibrium curve)

S₂/S₁
S₁ - S₂
S₁/S₂
S₁ x S₂

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