Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 3rd Sem New 2130505 Chemical Process Industries 1 Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?III (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2130505 Date: 04/06/2019
Subject Name:Chemical Process Industries-1
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.
MARKS
Q.1 (a) Differentiate between batch and continuous process. 03
(b) State uses of sulphuric acid and urea 04
(c) Mention several methods of water treatment. Describe any one method in
detail, with neat sketch.
07
Q.2 (a) State the sources and uses of any one rare gas. 03
(b) Write short notes on compound fertilizers.
04
(c) With a process flow diagram, describe the manufacture of sulfuric acid by
DCDA process.
07
OR
(c) Draw a neat process flow diagram for the production of urea by ammonium
carbamate decomposition.
07
Q.3 (a) Classify cement and mention its characteristics. 03
(b) Explain manufacturing of graphite with neat diagram. 04
(c) Discuss Lime benefication process for cement manufacture. 07
OR
Q.3 (a) Write down application of Soda ash and Caustic soda 03
(b) Write a short note on Explosives and propellants. 04
(c) Explain the manufacturing of paper in detail. 07
Q.4 (a) Write a short note on activated carbon. 03
(b) What is the function of gypsum in the manufacture of cement? 04
(c) Discuss Solvay process for Soda ash production. 07
OR
Q.4 (a) Define TNT and DNT 03
(b) State factors effecting setting time of cement. 04
(c) Discuss major engineering problems in manufacture of Phosphoric acid. 07
Q.5 (a) Write a note on Toxic chemicals. 03
(b) Describe manufacturing of glass in brief. 04
(c) Discuss the difference between the wet and dry process of manufacturing
of Portland cement.
07
OR
Q.5 (a) Write short note on commercial glass 03
(b) Write short note on setting and hardening of cement. 04
(c) Describe Linde?s process of oxygen and nitrogen production 07
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This post was last modified on 20 February 2020