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Mass Transfer

Mass Transfer
NSc/NPr is called the

Psychrometric ratio
Lewis number
Sherwood number
Stantan number

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Mass Transfer
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.

Agitated vessel
Bubble cap column
Sieve tray column
Packed tower

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Mass Transfer
Steam distillation is used for separation of high boiling

Volatile impurity from still higher boiling substances
Substances from non-volatile impurities
none of the listed here
Both of the options given here

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Mass Transfer
The most economical range of absorption factor is

5 to 10
2.5 to 3
2 to 2.5
1.25 to 2

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Mass Transfer
The suitable evaporator for concentration of foaming liquids is a __________ evaporator.

Long tube
Short tube
Vacuum
Falling film

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Mass Transfer
Physical absorption is

An irreversible phenomenon
Both B & C
A reversible phenomenon
Accompanied by evolution of heat

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