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Mass Transfer

Mass Transfer
Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is

More
Same
Unpredictable
Less

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Mass Transfer
Which of the following operations does not involve leaching?

Dissolving gold from ores
Dissolving sugar from the cells of the beet
Dissolving pharmaceutical products from bark or roots
Removing nicotine from its water solution by kerosene

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Mass Transfer
With increase in temperature, the mutual solubility of two liquids

Decreases
Decreases exponentially
Remains unchanged
Increases

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Mass Transfer
Reverse osmosis is also called

Diffusion
Dialysis
Ultrafiltration
Electrodilysis

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Mass Transfer
Dry bulb temperature of unsaturated air is more than its __________ temperature.

Wet bulb
Both A & B
Dew point
Neither A nor B

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Mass Transfer
Surface renewal model of mass transfer was enunciated by

Fick
Danckwerts
Toor and Marchello
Stefan

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