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Chemical Engineering · all questions

Mass Transfer
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Flooding in a distillation column is detected by a sharp

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With increase in the liquid flow rate at a fixed gas velocity in a randomly packed counter current gas-liquid absorption column, the gas pressure drop

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Which of the following is directly concerned with psychrometry?

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The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for

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Which is not concerned directly with mass transfer?

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Calculation of mass transfer co-efficient is mostly/normally done using __________ theory.

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Component A is diffusing in a medium B. The flux NA relative to a stationary point is equal to the flux due to molecular difusion, if

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One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect

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The recovery of pencillin from the acidified fermentation broth is done by

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Absorption factor, for a fixed degree of absorption from a fixed amount of gas should be

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Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?

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Ponchan-Savarit method analyses the fractional equipment based on

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The solvent used in liquid extraction should not have high latent heat of vaporisation, because

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For absorbers, high pressure drop results in

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The diffusivity, DAB (for component A diffusing in B) is equal to the diffusivity DBA (for component B diffusing in A) for a binary mixture of

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Even though bubble cap towers are very effective for humidification operation, they are not used commonly in industries, because of the

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Which of the following equipments is not used in liquid-liquid extraction?

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With increase in temperature, the solubility of gases in liquids, at fixed pressure

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Dryer widely used in a textile industry is __________ dryer.

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Drying of a solid involves __________ transfer.

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