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Mass Transfer

Mass Transfer
Molality is defined as the number of gm moles of solute per __________ of solvent.

Gm
Litre
Kg
m³

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Mass Transfer
On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

Greater degree of separation with a fixed number of trays
None of these
Increased reboiler load
Increased reflux ratio

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Mass Transfer
Decoction refers to the use of solvent

At its boiling point
In its vapor form
At ambient temperature
None of these

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Mass Transfer
The humid volume may be increased by increasing the

Both A & B
Neither A nor B
Temperature at constant humidity
Humidity at constant temperature

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Mass Transfer
Leaching of coffee from coffee beans is done by

Hot water
Dilute H₂SO₄ (hot)
Hexane
Lime water

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Mass Transfer
Which of the following is not a continuous leaching equipment?

Kennedy extractor
Bollman extractor
Hydrocyclones
Pachuka tank

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