Q. For a minimum reflux ratio ________ condenser or reboiler loads are used.

View solution

Q. For finding the exact number of trays the reflux ratio should be between minimum and infinity.

View solution

Q. The reflux ratio increases by increasing the reflux and decreasing the distillate.

View solution

Q. Most economical cost is

View solution

Q. Consider an operating line touches the equilibrium line, and then the fixed cost becomes

View solution

Q. If the operating cost is low, then the fixed cost is more.

View solution

Q. If the reflux ratio increases _________ increases.

View solution

Q. If the reflux increases ________ increases in the fractionator.

View solution

Q. Total cost is

View solution

Q. At optimum reflux ratio,

View solution

Q. Total cost will be minimum at

View solution

Q. Estimate the fixed cost if the operational cost is 7 lakhs and the total cost is 15 lakhs.

View solution

Q. Estimate the operational cost if the fixed cost is 15 lakhs.
(Hint: reflux ratio= optimum)

View solution

Q. Which of the following reboiler is considering as an additional tray?

View solution

Q. The internal reboilers are preferred for maintaining the economy of an industry.

View solution

Q. The vertical-syphon reboilers are not preferred because of

View solution

Q. Jacketed kettle is preferred for kettle type reboiler.

View solution

Q. The reboiler which is most preferred is

View solution

Q. Condenser or reboiler is consider as a trays or stage in a fractionator.

View solution

Q. The fuel fired furnace is preferred for high boiling point.

View solution