Chemical Engineering · all questions

Mass Transfer
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Q321

If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are

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Q322

Schimdt number and Lewis number for pure air at atmospheric conditions are respectively

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Q323

In case of absorption with exothermic reaction, for fluids having

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Q324

Pick out the correct statement.

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Q325

If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement.

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Q326

A packed tower compared to a plate tower for a particular mass transfer operation

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Q327

An ideal tower packing should not

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Q328

Drying of refractory is normally carried out in a __________ dryer.

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Q329

The Knudsen diffusivity is dependent on the

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Q330

Separation of the isotopes of helium for scientific investigations is done by

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Q331

Which of the following quantities need not be fixed before starting the design of a co-current absorber?

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Q332

Pick out the wrong statement.

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Q333

In azeotropic mixture, the equilibrium vapour composition is

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Q334

When acetone is added in a two layer mixture of methyl isobutyl ketone and water at 30°C, the acetone distributes between the two layers and the composition of the layer follows two solubility curves. For this system,

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Q335

Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure.Nitrobenzene will distill off __________ °C.

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Q336

Which of the following has the same dimension as mass diffusivity?

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Q337

Priming in a distillation column

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Q338

In case of unsaturated air

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Q339

Water entrained by circulating air in cooling towers is termed as

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Q340

In saturated gas, the

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