Q. The assumption made in Elis method in distillation is that enthalpy concentration lines of vapor and liquid are

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Q. Pick out the wrong statement.

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Q. Only small amount of evaporation of water produces large cooling effects because of its

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Q. The most common packing used in industrial operations is __________ rings.

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Q. When the feed to a distillation column is a saturated liquid, slope of the feed line is

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Q. Leaching of sugar from sugar beets is done by

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Q. Positive deviation from Raoult's law means a mixture whose total pressure is

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Q. With increase in gas rate, the number of transfer units, NtoG, for a fixed degree of absorption by a fixed amount of solvent

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Q. Schmidt number is given by

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Q. The caking of crystals can be prevented by

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Q. Prandtl number for water at 20°C is about

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Q. Absorption factor method is used to calculate the number of ideal stages, when

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Q. Flights in a rotary dryer are provided to

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Q. If the solubilities of different components (in a liquid-liquid extraction system) increase with rise in temperature, then the temperature above which they dissolve completely is known as the critical solution temperature (CST or consolute temperature). If solubilities increase with decrease in temperature, then CST is the temperature below which they dissolve completely. If a binary system has no critical solution temperature, it implies that

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Q. The rate of mass transfer is not dependent upon the

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Q. On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in

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Q. __________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids.

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Q. Deairation (removal of O₂) of water is done by

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Q. Make up water is supplied during cooling tower operation to compensate for water losses due to

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Q. Pick out the wrong statement.

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