Chemical Reaction Engineering MCQ Questions & Answers

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Each section contains 100 MCQs on Chemical Reaction Engineering .

Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature?

A) Time B) Useful volume of the tank C) Diameter of the reactor D) None of these

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A reaction which is catalysed by a base is catalysed by all substances which have a tendency to

A) Lose a proton B) Gain a proton C) Gain an electron D) None of these

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In a/an __________ vessel, the fluid enters and leaves following plug flow.

A) Open B) Closed C) Open-closed D) Close-opened

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Answer & Solution

Answer: Option B

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In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii)

A) (i) exothermic (ii) endothermic B) (i) exothermic (ii) exothermic C) (i) endothermic (ii) enodthermic D) (i) endothermic (ii) exothermic

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Answer & Solution

Answer: Option D

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__________ explains the mechanism of catalysis.

A) Activated complex theory B) Collision theory C) Thermodynamics D) None of these

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Answer & Solution

Answer: Option A

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

A) Langmuir B) Freundlich C) Tempkin D) None of these

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Answer & Solution

Answer: Option A

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Specific rate constant for a second order reaction

A) Is independent of temperature B) Varies with temperature C) Depends on the nature of the reactants D) Both B and C

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Answer & Solution

Answer: Option D

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According to Arrhenius equation of temperature dependency of rate constant for an elementary reaction

A) $${\text{K}} \propto \sqrt {\text{T}} $$ B) $${\text{K}} \propto {{\text{e}}^{ - \frac{{\text{E}}}{{{\text{Rt}}}}}}$$ C) $${\text{K}} \propto {\text{T}}{{\text{e}}^{ - \frac{{\text{E}}}{{{\text{Rt}}}}}}$$ D) None of these

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Answer & Solution

Answer: Option B

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Collision theory gives the rate constant for bimolecular reaction as

A) $${\text{K}}\alpha \sqrt {\text{T}} .{{\text{e}}^{ - \frac{{\text{E}}}{{{\text{RT}}}}}}$$ B) $${\text{K}}\alpha\, {{\text{e}}^{\frac{{\text{E}}}{{{\text{RT}}}}}}$$ C) $${\text{K}}\alpha\, {{\text{e}}^{ - \frac{{\text{E}}}{{{\text{RT}}}}}}$$ D) None of these

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

100

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

A) 0 B) 500 C) 750 D) ∞

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Chemical Reaction Engineering MCQ Questions & Answers | Chemical Engineering