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Mass Transfer

Mass Transfer
In liquid-liquid extraction, the number of phases at plait point is

4
3
1
2

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Mass Transfer
The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is

-ve
+ve
∞

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Mass Transfer
The process employing desorption of the absorbed solute by a solvent is called

Osmosis
Sublimation
Elution
Reverse osmosis

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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

Humid heat
Latent heat
Sensible heat
Specific heat

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Mass Transfer
Which of the following binary systems is an example of a maximum boiling azeotrope?

None of the listed here
Water-ethyl alcohol
Water-hydrochloric acid
Acetone-carbon disulphide

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Mass Transfer
Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C?

Both heating and humidification
Evaporative cooling
Humidification only
Heating only

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