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Chemical Reaction Engineering

Chemical Reaction Engineering
A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction.

More than
Less than
Equal to
Equal to or more than

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Chemical Reaction Engineering
A plug-flow reactor is characterised by

Presence of axial mixing
Constant composition and temperature of reaction mixture
Presence of lateral mixing
High capacity

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Chemical Reaction Engineering
For a tubular flow reactor with uniform concentration and temperature, the independent variable is

Length
None of these
Time
Diameter

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Chemical Reaction Engineering
A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds.

43833
32
1
3

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Chemical Reaction Engineering
Which of the following is not endothermic in nature?

Thermal cracking of fuel oil
Steam reforming of naphtha
Combustion of sulphur
Gasification of carbon

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Chemical Reaction Engineering
The residence time distribution of an ideal CSTR is

Τ exp (-t/τ)
1/τ exp (-t/τ)
1/τ (-t/τ)
Exp(-t/τ)

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