GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (Old) EXAMINATION — WINTER 2019
Subject Name: Chemical Reaction Engineering - I
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
3. Figures to the right indicate full marks.
Q.1 (a) Write a short note on recycle reactors. 07
(b) Write a short note on autocatalytic reactions. 07
Q.2 (a) Discuss classification of reactions along with examples. 07
molecularity and non-elementary reactions 07
OR
(b) Discuss the analysis of total pressure data obtained in a constant volume system
and also establish the relation used to calculate the partial pressure of gaseous
Q.3 (a) Discuss about reactions in series. 07
(b) Define: Space time, Space velocity, Activation energy, Rate constant. Enlist the
applications of chemical reaction engineering. 07
OR
(b) Discuss in brief: temperature dependency according Arrhenius theory and
Collision theory. 07
Q.4 (a) Write a short note on equilibrium constants ‘obtained from thermodynamics. 07
(b) Explain various forms of rate equation: 07
Q.4 (a) Write a short note on Optimum temperature progression. 07
(b) Define steady state approximation. Explain the correlation between “steady state
approximation” and suggested mechanism of reaction. 07
Q.5 (a) Derive the design equation for plug flow reactor. 07
OR
Q.5 (a) State the equation for Half Life method. Differentiate between integral method
of analysis and differential method of analysis. 07
(b) Discuss method to establish rate law, from batch rector data using differential
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (Old) EXAMINATION — WINTER 2019
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Subject Code: 170501 Date: 30/11/2019Subject Name: Chemical Reaction Engineering - I
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
Q.1 (a) Write a short note on recycle reactors. 07
(b) Write a short note on autocatalytic reactions. 07
Q.2 (a) Discuss classification of reactions along with examples. 07
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(b) Define along with suitable examples: Elementary reactions, order of reaction,molecularity and non-elementary reactions 07
OR
(b) Discuss the analysis of total pressure data obtained in a constant volume system
and also establish the relation used to calculate the partial pressure of gaseous
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component in a reaction mixture. 07Q.3 (a) Discuss about reactions in series. 07
(b) Define: Space time, Space velocity, Activation energy, Rate constant. Enlist the
applications of chemical reaction engineering. 07
OR
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Q.3 (a) Differentiate between constant volume and variable volume batch reactor. 07(b) Discuss in brief: temperature dependency according Arrhenius theory and
Collision theory. 07
Q.4 (a) Write a short note on equilibrium constants ‘obtained from thermodynamics. 07
(b) Explain various forms of rate equation: 07
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ORQ.4 (a) Write a short note on Optimum temperature progression. 07
(b) Define steady state approximation. Explain the correlation between “steady state
approximation” and suggested mechanism of reaction. 07
Q.5 (a) Derive the design equation for plug flow reactor. 07
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(b) Derive the performance equation for steady state mixed flow reactors. 07OR
Q.5 (a) State the equation for Half Life method. Differentiate between integral method
of analysis and differential method of analysis. 07
(b) Discuss method to establish rate law, from batch rector data using differential
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method of analysis. 07FirstRanker.com
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