Q. If the feed enters the distillation column at its dew point, then the slope of the Flash vaporization operating line is

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Q. If there is no reflux to a fractionating column then

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Q. After leaving the condenser if the liquid is at bubble point then which of the following is correct?

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Q. McCabe –Thiele method excludes ________ information.

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Q. Non-equimolal flow rates are maintained in the fractionator obeying McCabe-Thiele method.

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Q. Heat losses are avoided in McCabe-Thiele method.

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Q. The slope of the operating line of the enriching section is R/R+1.

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Q. Find the slope of the operating line of the top section of Fractionator if Reflux ratio is 2.
Hint: use McCabe Thiele method is applicable

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Q. In order to find the total number of theoretical trays we usually add one stage additional for ___________

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Q. The Ponchon Savorit method is applicable for determining negligible heat loss.

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Q. External reflux ratio is used for Ponchon Savorit method.

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Q. Find the heat removed by the condenser if the net heat out of the condenser is 25000 J and the total moles are 25.

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Q. The fictitious stream is the difference in the flow rates of the nth tray.

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Q. Ponchon Savorit method do not include enthalpy concentration diagram.

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Q. Find the flow rate of liquid entering into the enriching section if the internal reflux ratio is 1.5 times min. Given minimum reflux ratio is 0.95 and the gas flow rate is 35 mol/hr.

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Q. Fractionator(s) required for separating binary azeotropic mixture is

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Q. Process mainly involved in Azeotropic separation is

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Q. The second fractionator tower is applicable for the stripping process alone.

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Q. Condenser required for rectifying binary Azeotropic mixture is

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Q. If the distillate has a composition of azeotrope and the residue has rich phase of one component. Then the azeotropic mixture is a

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