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Mass Transfer

Mass Transfer
The unit of volumetric diffusivity is

Cm²/sec
Cm²/seC₂
Cm/sec
Cm³/sec

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Mass Transfer
Pick out the system with minimum boiling azeotrope at 1 atm.

All of these
Benzene-toluene
Hydrochloric acid-water
Ethyl alcohol-water

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Mass Transfer
For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is

Calculated
Not required
Known
Unknown

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Mass Transfer
Mass transfer co-efficient 'K' according to penetration theory varies with mass dif-fusivity as

1/D
D
D1.5
D0.5

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Mass Transfer
Unit of molal diffusivity is

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

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Mass Transfer
Which of the following is used for the concentration of rubber latex?

Long tube vertical evaporator
Calendria
Agitated film evaporator
Short tube evaporator

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MORE MCQ ON Mass Transfer

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