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Mass Transfer

Mass Transfer
Leaching of coffee from coffee beans is done by

Lime water
Dilute H₂SO₄ (hot)
Hexane
Hot water

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Mass Transfer
For gas absorption, low viscosity solvents are preferred, because of their

All of these
Low pumping pressure drop
Better flow characteristics
Rapid absorption rates

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Mass Transfer
Water entrained by circulating air in cooling towers is termed as

Blow down
Drift
Vapor load
None of the listed here

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

Both B and C
Relative humidity
Partial pressure of vapour
Wet bulb temperature

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Mass Transfer
At constant pressure, with increase of temperature, the dew point will

Decrease
Increase
Remain unchanged
Increase/decrease ; depends on the temperature

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Mass Transfer
Reverse osmosis is also called

Dialysis
Ultrafiltration
Electrodilysis
Diffusion

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