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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 typical example of an exothermic reversible reaction conducted at high pressure in industry is

Polymerisation of ethylene
Dehydration of ethanol
Reformation of methane
Methanol synthesis

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Chemical Reaction Engineering
Fluidised bed reactor is characterised by

Uniformity of temperature
Absence of continuous catalyst regeneration facility
Comparatively smaller equipment
Very small pressure drop

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Chemical Reaction Engineering
Space time equals the mean residence time

For narrow diameter tubular reactor
For CSTR
When the density of the reaction mixture is constant
For large diameter tubular reactor

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Chemical Reaction Engineering
Half-life period for a first order reaction is __________ the initial concentration of the reactant.

None of these
Directly proportional to
Independent of
Inversely proportional to

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Chemical Reaction Engineering
Autocatalytic reactions are best carried out in a

Plug flow reactor
CSTR in series
Recycle reactor
CSTR

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