GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-III (New) EXAMINATION - WINTER 2018
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Subject Code:2131304 Date:05/12/2018
Subject Name:Chemical Engg Processes
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) What are the uses of Methanol 03
(b) Draw only a neat flow diagram of Acetic acid manufacturing by oxidation 04 of acetaldehyde
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(c) Discuss manufacturing of Furfural by hydrolysis route 07
Q.2 (a) What do you mean by the term nitric ratio? 03
(b) Explain manufacturing of ethylene chlorohydrin 04
(c) Discuss in detail the major engineering problems involved in Urea synthesis 07
OR
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(c) Write down all the reactions involved in the manufacturing of Nitric acid 07
Q.3 (a) Discuss in brief the uses other than fertilizer of Urea 03
(b) Explain in brief concentration of Nitric acid 04
(c) Discuss the major engineering problems involved in Methanol production 07
OR
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(a) Define Unit processes 03
(b) Write a short note: Nickel catalyst preparation for hydrogenation of oil 04
(c) Discuss the sources of pollution, health and safety for Nitric acid manufacturing facility 07
Q.4 (a) Write down the reactions involved for ethanol manufacturing 03
(b) Discuss the sources of pollution for phenol manufacturing 04
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(c) Discuss with a neat flow diagram hydrogenation of cotton seed oil 07
OR
(a) Why copper lining is required for methanol reactor? 03
(b) Discuss various routes for phenol manufacturing 04
(c) Compare ethanol manufacturing via fermentation and ethylene routes 07
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Q.5 (a) Write down the properties of ethylene chlorohydrin 03
(b) Explain the sources of pollution from hydrogen cyanide production facility 04
(c) Draw only a neat flow sheet for Cellulose acetate 07
OR
(a) Write down the properties of monochloroacetic acid 03
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(b) Discuss in brief method of production of hydrogen cyanide 04
(c) Draw only a neat flow diagram for Vinyl Chloride 07
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