A distillation column separates 10000 kg/hr of a benzene-toluene mixture as shown in the figure below: In the figure xF, xD and xW represent the weight fraction of benzene in the feed, distillate and residue respectively. The reflux ratio is_______________ ?

Related Mcqs:

Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) ?

A. log P vs. T B. log P vs. log T C. T vs. P D. P vs. log T...

Large scale usage of flash distillation is practised in __________________?

A. Soap manufacturing B. Ammonia synthesis plant C. Polymerisation industry D. Petroleum refining...

Raoult’s law does not apply, when the___________________?

A. Size of component molecules are not equal B. Attractive forces between like and unlike molecules in the solution are approximately equal C. Component molecules are non-polar D. Chemical combination or molecular association between unlike molecules takes place in the formation of solution...

In liquid extraction, if the selectivity is unity, then__________________?

A. Separation of the constituents is the most effective B. No separation will occur C. Amount of solvent required will be minimum D. Solvent flow rate should be very low...

Which of the following is directly concerned with Psychrometry ?

A. Lewis relationship B. Galileo number C. Weber number D. Dean number...