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Chemical Reaction Engineering

Chemical Reaction Engineering
The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times.

2
8
4
16

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Chemical Reaction Engineering
A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be

10°C
20°C
100°C
5°C

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Chemical Reaction Engineering
Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison.

Selectivity
Chemisorbed
Stability
Deposited

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Chemical Reaction Engineering
In case of a P.F.R., there

Should not be any mixing along the flow path
May be lateral mixing of fluid
Neither A nor B
Both A and B

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Chemical Reaction Engineering
In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds.

Parallel
Series
Auto catalytic
Catalytic

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Chemical Reaction Engineering
A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes.

16
4
8
12

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