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Chemical Reaction Engineering

Chemical Reaction Engineering
What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ?

3
1/9
1/2
1/3

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Chemical Reaction Engineering
Which of the following will give maximum gas conversion?

Fixed bed reactor
Fluidised bed reactor
Plug-flow catalytic reactor
Semi-fluidised bed reactor

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Chemical Reaction Engineering
The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is

2
0.5
3
1

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Chemical Reaction Engineering
An autothermal reactor is

Isothermal in nature
Completely self-supporting in its thermal energy requirements
Most suitable for a second order reaction
Most suitable for a reversible reaction

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Chemical Reaction Engineering
In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume.

More than
Less than
Data insufficient; can't be predicted
Same as

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Chemical Reaction Engineering
A batch reactor suffers from following disadvantage.

High labour and handling cost
High shutdown time requirement for emptying, cleaning and refilling
Poor product quality control
All of these

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