Download GTU BE/B.Tech 2017 Winter 4th Sem Old 16 0 5 02 Chemical Process Industries Ii Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE SEMESTER-VI (OLD) EXAMINATION — WINTER - 2017

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Subject Code: 160502 Date: 20-11-2017
Subject Name: CHEMICAL PROCESS INDUSTRIES - 11
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.
4. Draw neat diagram where necessary.

Q.1 (a) What is dye? Classify dye based on its application? [07]
(b) What is inversion of cane sugar? How it can be prevented? [07]

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Q.2 (a) Explain manufacturing of H-acid? [07]
(b) Describe manufacturing of chrome blue black dye with suitable flow diagram? [07]

OR

(b) Write in brief : Barbital and Phenobarbital [07]

Q.3 (a) What is pigment? Describe manufacturing of Titanium dioxide (white pigment)? [07]

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OR

Q.3 (a) Describe manufacturing of sugar from sugar cane with suitable flow sheet? [07]
(b) Write in brief: Classification of drugs based on its application? [07]

Q.4 (a) Write about manufacturing of vat dyes with suitable flow diagram? [07]

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OR

Q.4 (a) Write a short note on Vitamins? [07]
(b) Describe in brief: red pigment and blue pigment. [07]

Q.5 (a) Explain manufacturing of beer with suitable flow sheet? [07]

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OR

Q.5 (a) Define following: (1) fermentation (2) sterilization (3) Absolute alcohol [07]
(4) Antibiotic (5) Auxochrome (6) Chromogen (7) analgesics drug

(b) Describe: Citric acid production by fermentation method? [07]

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