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Mass Transfer

Mass Transfer
If f is defined as above, then which of the following applies to a feed at dew point?

F = 1
0 < f < 1
F < 1
F > 1

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Mass Transfer
Leaching of coarse solid lumps is also termed as

Dissolution
Agitation and settling
Percolation
Decoction

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Mass Transfer
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the

Sensible heat
Humid heat
Latent heat
Specific heat

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

Dilute
Vetrocoke solution
Monoethanol amine (MEA)
Hot water

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Mass Transfer
For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams

Decreases
Remains unaffected
Increases
Passes through a maximum

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Mass Transfer
Unsaturated air (with dry and wet bulb temperatures being 35 and 25°C respectively) is passed through water spray chamber maintained at 35°C. The air will be

Cooled
Dehumidified
Both A & B
Humidified

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