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Chemical Reaction Engineering MCQ Questions & Answers | Chemical Engineering

Learn Chemical Reaction Engineering MCQ questions & answers are available for a Chemical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Chemical Reaction Engineering MCQ question is the important chapter for a Chemical Engineering and GATE students. Page-4 section-1

Each section contains 100 MCQs on Chemical Reaction Engineering .
31
Threshold energy in a reaction is equal to the
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Answer & Solution
Answer: Option C
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32
In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in __________ in the concentration of CO2.
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Answer: Option A
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33
The equilibrium constant of chemical reaction __________ in the presence of catalyst.
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Answer: Option C
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34
From among the following, choose one which is not an exothermic process.
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Answer: Option B
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35
If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion.
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Answer: Option A
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36
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is
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Answer: Option B
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37
Find a mechanism that is consistent with the rate equation and reaction given below:
2A + B → A2B, (-rA) = k.CA.CB
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Answer: Option D
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38
At a given temperature, K₁, K₂ and K3 are equilibrium constants for the following reactions 1, 2, 3 respectively.
CH₄(g) + H₂O(g) ⇋ CO(g) + 3H₂(g),
CO(g) + H₂O(g) ⇋ CO₂(g) + H₂(g)
CH₄(g) + 2H₂O(g) ⇋ CO₂(g) + 4H₂(g)
Then K₁, K₂ and K3 are related as:
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Answer: Option A
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39
The catalytic activity of enzymes is due to their capacity to lower the __________ energy.
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Answer: Option A
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40
For a fluidised bed reactor, the most suitable/relevant model is a __________ model.
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Answer: Option B
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