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Chemical Reaction Engineering

Chemical Reaction Engineering
When a catalyst increases the rate of chemical reaction, the rate constant

Becomes infinite
Remains constant
Decreases
Increases

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Chemical Reaction Engineering
When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value.

None of these
Equal
Half
Twice

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Chemical Reaction Engineering
With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be

Higher in CSTR
Same in both the reactors
Higher in P.F. reactor
Data insufficient; can't be predicted

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Chemical Reaction Engineering
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are

Always irreversible
Insensitive to temperature changes
Highly temperature sensitive
Mostly irreversible

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Chemical Reaction Engineering
reactant and product streams). The amount of heat to be removed is

2/3 kW
5/3 kW
1kW
4kW

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Chemical Reaction Engineering
Half life period of a chemical reaction is proportional to CA0-1 , if the reaction is of __________ order.

Second
First
Third
Zero

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MORE MCQ ON Chemical Reaction Engineering

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