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Chemical Reaction Engineering

Chemical Reaction Engineering
Holding time for flow reactors is __________ the space time, for constant fluid density

Equal to
Triple
Double
None of these

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Chemical Reaction Engineering
In a reversible reaction, a catalyst increases the rate of forward reaction

And decreases that of the backward reaction
Only
And the backward reaction equally
To a greater extent than that of the backward reaction

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Chemical Reaction Engineering
The half life period of a first order reaction is given by (where, K = rate constant. )

1.5 K
2.5 K
6.93 K
0.693/K

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Chemical Reaction Engineering
A typical example of an exothermic reversible reaction conducted at high pressure in industry is

Polymerisation of ethylene
Methanol synthesis
Reformation of methane
Dehydration of ethanol

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Chemical Reaction Engineering
Velocity of a reaction depends upon the

Concentration of the reactants
Temperature at which the reaction is carried
Nature of the reactants
All of these

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Chemical Reaction Engineering
In a CSTR __________ varies with time.

Reaction rate
Concentration
Both A & B
Neither A nor B

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