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Mass Transfer

Mass Transfer
Surface renewal model of mass transfer was enunciated by

Toor and Marchello
Stefan
Danckwerts
Fick

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Mass Transfer
Which of the following plays an important role in problems of simultaneous heat and mass transfer?

Lewis number
Schmidt number
Prandtl number
Sherwood number

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Mass Transfer
Rate of leaching increases with increasing

Temperature
Viscosity of solvent
Size of the solid
Pressure

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Mass Transfer
For contacting a highly soluble gas with a liquid

Spray the liquid on gas stream
Bubble the gas through liquid
None of the listed here
Both of the options given here

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Mass Transfer
The rate of mass transfer is not dependent upon the

Interfacial surface exposed between the phases
Both A & B
None of these
Degree of dispersion of one fluid in the other

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Mass Transfer
Flooding in a column results due to

Low pressure drop
High pressure drop
Low velocity of the liquid
High temperature

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