Download GTU BE/B.Tech 2019 Winter 3rd Sem New 2131304 Chemical Engg Processes Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2131304 Chemical Engg Processes Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2131304 Date: 3/12/2019

Subject Name: Chemical Engg Processes
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


Q.1 (a) List the different unit process with examples. 03
(b) Differentiate between Absorption process and Adsorption process. 04
(c) Draw only a neat process flow diagram of Vinyl chloride manufacturing. 07
Q.2 (a) Differentiate between Oxidation process and Reduction process. 03
(b) Why an environmental engineer needs to learn the subject Chemical
Engineering Processes?
04
(c) Describe the manufacturing process of Acetic acid by oxidation process with
a flowsheet.
07
OR
(c) Describe the manufacturing process of Phenol with a neat flowsheet. 07
Q.3 (a) List the raw materials which are used in manufacturing process of acetic acid. 03
(b) Discuss the health hazards related to Hydrogen Cyanide production. 04
(c) Discuss the sources of pollution and health & safety aspects of Nitric acid. 07
OR
Q.3 (a) Write down the reactions involved in monochloroacetic acid production. 03
(b) Discuss the health hazards related to Esterification. 04
(c) Discuss the sources of pollution and health & safety aspects of Ethanol. 07
Q.4 (a) Enlist the uses of Phenol. 03
(b) What is Biuret? How to prevent its formation? 04
(c) Explain the different ways of air pollution control in chemical manufacturing
process.
07
OR
Q.4 (a) Write short note on Sulphur production. 03
(b) State advantage of producing granular urea. How granular urea can be
produced?
04
(c) Write a note on MSDS. 07
Q.5 (a) Discuss the uses of methanol. 03
(b) Define amination process by reduction method. 04
(c) Draw only a neat process flow diagram of Cellulose Acetate manufacturing. 07
OR
Q.5 (a) Enlist the steps necessary to manage waste. 03
(b) Write short note on different types of heat exchangers. 04
(c) Write short note on hydrogenation of oils. 07

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