GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-IV (OLD) EXAMINATION - WINTER 2018
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Subject Code:141303 Date: 14/12/2018
Subject Name: Chemical Engineering Processes
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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Q.1 (a) Define: Nitrification. Explain manufacturing process of Nitric Acid and neat sketch of process diagram with its safety measures. 07
(b) Define: Log Mean Temperature Difference (LMTD). Explain Heat Exchanger with its working principle and its classification along with neat sketch. 07
Q.2 (a) Define: Sulfonation. Explain manufacturing process of Ethanol and neat sketch of process diagram, reaction chemistry with its safety measures. 07
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(b) Describe the working principle of Bag Filter with neat sketch. 07
OR
(b) Describe the working principle of Cyclone Separator with neat sketch. 07
Q.3 (a) Discuss the manufacturing process of Urea with Process Flow diagram and Uses. Identify the sources of pollution for the process of Urea. 07
(b) Give the following difference:
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- Unit Operation and Unit Process
- Incineration and Pyrolysis
OR
Q.3 (a) Discuss the manufacturing process of Aniline: Draw neat sketch and Identify the Unit Operation and Unit Process from the process flow diagram. 07
(b) Draw neat sketch of Process flow diagram of Ethyl Acetate with reaction chemistry. 07
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Q.4 (a) Describe manufacturing process of Ethylene Chlorohydrin (ECH). Discuss safety measures and sources of pollution of ECH. 07
(b) Enlist the types of Reactors: Explain any one reactor with its working principle and neat sketch. 07
OR
Q.4 (a) What is MSDS. Briefly describe the Significance of MSDS in detail. 07
(b) Define: Halogenation. Explain the Manufacturing Process and Sources of Pollution of Vinyl Chloride. 07
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Q.5 (a) Describe the production of Cellulose Acetate with chemical reaction. Identify the sources of pollution for the process of Cellulose Acetate. 07
(b) Discuss the manufacturing process of Acetic Acid. Draw neat sketch and Identify the Unit Operation and Unit Process from the process flow diagram. 07
OR
Q.5 (a) Describe the production of Phenol with chemical reaction. Identify the Unit Operation and Unit Process from the process flow diagram. 07
(b) Describe the working principle of Cyclone Separator with neat sketch. 07
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