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Mass Transfer

Mass Transfer
When the feed to a distillation column is a saturated liquid, slope of the feed line is

None of these
Unity
Infinity
Zero

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Mass Transfer
Which of the following remains constant during evaporative cooling process with recirculated water supply?

Wet bulb temperature
Partial pressure of vapour
None of these
Relative humidity

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Mass Transfer
The reciprocal of stripping factor is termed as

Absorption factor
Selectivity index
Relative volatility
Murphree efficiency

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Mass Transfer
Azeotropism for ethyl alcohol-water system disappears by

Increasing pressure
Increasing temperature
No means
Decreasing pressure

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Mass Transfer
Diameter of raschig rings used in packed tower in industry is normally around __________ inches.

18
8
2
12

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Mass Transfer
If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is

None of these
Always < 1
L/G
G/L

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