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Mass Transfer

Mass Transfer
NSc/NPr is called the

Sherwood number
Stantan number
Lewis number
Psychrometric ratio

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Mass Transfer
Molecular seives are regenerated by heating to __________ °C.

200-330
> 1000
> 500
< 150

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Mass Transfer
Swenson-Walker crystalliser is a __________ unit

Batch
Cooling (adiabatic)-cum-evaporation
Semi-batch
Continuous

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Mass Transfer
In extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)

None of these
Increases
Decreases
Remains unchanged

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Mass Transfer
Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

1
> 1
< 1
≤ 1

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Mass Transfer
Which of the following is a suitable absorbent for removal of H₂S from natural gas?

Hot water
Dilute
Vetrocoke solution
Monoethanol amine (MEA)

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