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Chemical Engineering · all questions

Mass Transfer
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'ADDUCTS' and 'CLATHRATES' are used in case of

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Azeotropic distillation is employed to separate

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With increase in temperature, the leaching rate increases due to

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In the layout plan for a vacuum distillation unit, operating at 60 mm Hg, supported by a barometric condenser, the appropriate place for the location of vacuum drum for collecting the distillate will be

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Lewis number (Le) is

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Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes?

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The apex of an equilateral-triangular coordinate (in ternary liquid system) represents a/an

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In case of non-ideal gases and liquids, the molal diffusivity

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In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase.

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With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency

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Which is the controlling factor for a drum drier?

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Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve)

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Minimum possible diameter of a packed coloumn is decided mainly by the

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In triangular co-ordinates, the ternery composition point falls __________ of the triangle.

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The dew point of a saturated gas phase equals the __________ temperature.

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Which of the following is an undesirable characteristic for the solvent used in gas absorption?

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(NSh/NRe.NSc) is termed in mass transfer operation as the

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The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if

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Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of

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The McCabe Δ L law states that the

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