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Chemical Reaction Engineering

Chemical Reaction Engineering
The vessel dispersion number (D/μL) for plug flow is

750
500
∞

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Chemical Reaction Engineering
Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.

Zero order
Consecutive
Third order
None of these

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Chemical Reaction Engineering
With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction

Remains unaffected
Increases linearly with temperature
Increases
Decreases

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Chemical Reaction Engineering
The energy balance equation over a tubular reactor under transient conditions is

An algebric differential equation
A non-linear partial differential equation
A linear partial differential equation
An ordinary non-linear differential equation

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

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

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Chemical Reaction Engineering
An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature.

Is always greater than
Is always less than
Is always equal to
May be greater or less than

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