Mass Transfer
When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation.

None of these
Azerotropic
Steam
Continuous

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Mass Transfer
McCabe-Thiele method

Can use any type of units
Uses molal units for material and energy balance
Is more accurate than Ponchan-Savarit method
Uses weight fractions to express liquid and vapour composition

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Mass Transfer
In an operating distillation column, the

Vapors and liquids are at their dew point and bubble point respectively
Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column
Highest temperature is encountered at the top of the column
Driving force for the liquid flow is its specific weight

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