Download GTU BE/B.Tech 2018 Winter 4th Sem New 2143505 Chemical Process Technology Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-IV (NEW) EXAMINATION - WINTER 2018

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Subject Code: 2143505 Date: 10/12/2018
Subject Name: Chemical Process Technology
Time: 02:30 PM TO 05:00 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.

MARKS

Q.1 (a) Give the composition of crude oil. 03
(b) State different applications of synthesis gas. 04

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(c) What are the crude oil characteristics? Discuss any three in detail. 07

Q.2 (a) Discuss demineralization process for water conditioning. 03
(b) Explain manufacturing process of caustic soda using diaphragm cell with help of neat flow sheet. 04
(c) Explain manufacturing process of Aniline from benzene with help of neat flow 07

OR

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(c) Explain the Lime soda process in detail. 07

Q.3 (a) Discuss methods used for manufacturing of hydrogen. 03
(b) Discuss manufacturing of caustic soda with help of mercury cell 04
(c) Discuss manufacturing of vinyl chloride with the help of neat flow diagram 07

OR

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Q.3 (a) What is Dowtherm? 03
(b) Discuss major engineering problems associated with manufacturing of sulfuric acid 04
(c) Explain the manufacturing process of Ammonia with a process flow diagram. 07

Q.4 (a) Mention major engineering problems and uses of urea 03
(b) Explain the major engineering problems involved in manufacturing process of Methanol. 04

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(c) What is oleum? Describe in detail the contact process for manufacturing sulfuric acid. 07

OR

Q.4 (a) Discuss different types of alcoholic beverages 03
(b) Draw a neat flow sheet to manufacture ethylene 04
(c) Explain manufacturing process of ethylene oxide with neat flow diagram 07

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Q.5 (a) Define the following terms: (1) Pour Point (2) Octane number (3) Petrochemicals 03
(b) Write down applications of soda ash. 04
(c) Explain the manufacturing process for Nitric acid? 07

OR

Q.5 (a) Discussion exchange process for water conditioning. 03

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(b) What is fermentation? Discuss types of fermentation with examples 04
(c) Explain manufacturing process of soda ash with neat flow diagram 07

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