Download GTU BE/B.Tech 2018 Winter 4th Sem New 2140506 Chemical Process Industries Ii Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 4th Sem New 2140506 Chemical Process Industries Ii Previous Question Paper

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1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?IV (NEW) EXAMINATION ? WINTER 2018
Subject Code:2140506 Date:01/12/2018

Subject Name:Chemical Process Industries -II

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.
4. Draw neat diagram where necessary.

MARKS

Q.1 (a) Write the application of vat dyes by giving example. 03
(b) Explain Nitroso dyes with proper example. 04
(c) How Nitro benzene is prepared from benzene? Explain with
flow diagram.

07

Q.2 (a) Give a list dye-intermediates derived from benzene. 03
(b) Give the uses of (a) Disperse dyes (b) Fluorescent dyes 04
(c) Discuss method of production of Indanthrene yellow dye. 07
OR
(c) Describe in detail manufacture of H-acid from KOCH acid with
chemical reaction and neat clean flow diagram.
07
Q.3 (a) Write complete chemical reaction for manufacture of vat dyes. 03
(b) Discuss structure of dye. 04
(c) Discuss the manufacture of aniline from crude nitrobenzene with
chemical reaction and neat & clean flow diagram.
07
OR
Q.3 (a) Give the uses of salicylic acid & methyl Salicylate. 03
(b) Write down complete chemical reaction for Thiamine hydrochloride. 04
(c) What is an antibiotic? Discuss manufacture of penicillin with neat
&clean flow sheet.
07
Q.4 (a) Write complete chemical reaction for Riboflavin. 03
(b) Write stricture formula: (a) Hexyl resorcinol (b) codeine 04
(c)
Explain beer manufacture with a suitable flow diagram.
07
OR
Q.4 (a)
List the various separation routes to produce absolute alcohol.
03
(b) What is inversion of sugar? How it can be prevented? 04
(c)
With a detailed flow sheet explain the manufacturing process of sugar from
sugarcane.
07
Q.5 (a)
Explain in brief: Various ways of bagasse disposal.
03
(b)
What are industrial coatings? Explain its applications in brief.
04
(c)
What is fermentation? Discuss manufacture of industrial alcohol by aerobic
fermentation process.
07
OR

Q.5 (a) What is paint and P.V.C of paint? 03
(b) What are pigments? Write in brief on red pigments. 04
(c) Explain the manufacturing process of Lithopone with proper diagram. 07

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