Chemical Engineering · all questions

Chemical Reaction Engineering
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446

Questions

19/23

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Q361

The order of a chemical reaction is

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Q362

With increase in initial concentration, the fractional conversion of a first order reaction in a given time

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Q363

Pick out the wrong statement:

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Q364

The rate of the heterogenous catalytic reaction A(g) + B(g) → C(g) is given by

- r_{A} = \frac{k . K _{A} . p _{A} . P _{B}}{1 + K _{A} . P _{A} + K _{C} . p _{C}},

where K_A and K_C are the adsorption equilibrium constants. The rate controlling step for this reaction is

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Q365

The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.

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Q366

The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the

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Q367

Photo-chemical reactions occur in presence of

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Q368

In an ideal mixed reactor (at steady state), the

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Q369

An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction

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Q370

The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called

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Q371

'Unreacted core model' represents the reaction involving

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Q372

If the pore diffusion controls in a catalytic reaction, the apparent activation energy E_a is equal to

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Q373

Pick out the wrong statement.

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Q374

Half life period of a chemical reaction is

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Q375

Fluid flow in a real packed bed can be approximated as __________ model.

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Q376

Participation of __________ is involved in the occurrence of a chemical reaction.

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Q377

With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction

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Q378

'n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume

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Q379

For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

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Q380

Pick out the wrong statement.

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