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Chemical Reaction Engineering

Chemical Reaction Engineering
Most important characteristics of gas-liquid reactors are the

None of these
Specific inter-facial area
Liquid hold-up
Both A and B

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Chemical Reaction Engineering
__________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction.

None of these
Ash diffusion
Chemical reaction
Gas film diffusion

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Chemical Reaction Engineering
B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm.

Langmuir
Tempkin
Freundlich
None of these

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Chemical Reaction Engineering
The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A → R, is

1
-0.5
1.5
0.5

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Chemical Reaction Engineering
In a semi-batch reactor

Maximum conversion can be controlled
Velocity of reaction can be controlled
Residence time is constant
Both the reactants flow counter-currently

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Chemical Reaction Engineering
Transition state theory gives the rate constant as

K α e-E/RT
K α T . e-E/RT
K α eE/RT
K α √T . e-E/RT

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