A. Liquid-liquid extraction
B. Solid-liquid extraction
C. Multi-component absorption with chemical reaction
D. Multi-component distillation
Related Mcqs:
- Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele’s method ?
A. Partial condenser
B. Total condenser
C. Reboiler
D. Both B. and C - In McCabe-Thiele method, at infinite reflux ratio___________________?
A. Number of plates is maximum
B. Overhead product is maximum
C. Both the operating lines coincide with the diagram
D. None of these - McCabe-Thiele method________________?
A. Uses molal units for material and energy balance
B. Uses weight fractions to express liquid and vapour composition
C. Can use any type of units
D. Is more accurate than Ponchon-Savarit method - In McCabe-Thiele method, at infinite reflux ratio________________?
A. The overhead product is minimum
B. Both the operating lines coincide with diagonal
C. Both A. and B.
D. Neither A. nor B. - If f = moles of vapour present per mole of feed, then the slope of feed line is (McCabe- Thiele method) ________________________?
A. (1 – f)/f
B. – (f – 1)/f
C. -1/f
D. -f/(1 – f) - In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at ________________ reflux ?
A. Total
B. Minimum
C. Operating
D. Maximum permissible - McCabe-Thiele method of binary distillation does not assume that the__________________?
A. Sensible heat changes are negligible compared with latent heat changes
B. Molar latent heats of all components are equal
C. Heat of mixing is negligible
D. None of these - In which of the following unit operations, the selectivity is an important parameter ?
A. Distillation
B. Solvent extraction
C. Absorption
D. None of these - For which of the following unit operations, Lewis number is of significance ?
A. Adsorption
B. Binary distillation
C. Gas absorption
D. Humidification - Which of the following operations does not involve leaching ?
A. Dissolving gold from ores
B. Dissolving pharmaceutical products from bark or roots
C. Dissolving sugar from the cells of the beet
D. Removing nicotine from its water solution by kerosene
