Categories: 3rd Semester

GTU BE 3rd Semester 130505 Chemical Process Industries-1 Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE – SEMESTER ?III (OLD) – EXAMINATION ? SUMMER 2018
Subject Code:130505 Date: 21/05/2018
Subject Name: Chemical Process Industries-1
Time:10: 30 AM to 01:00 PM Total
Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Describe mining of Sulfur by Frasch process with neat sketch. 07
(b) Discuss in brief about Settling & Hardening of cement. 07
Q.2 (a) Write a short note on IMI process for production of Phosphoric acid 07
(b) Starting with neat flow diagram and reactions, discuss the manufacture of
Ammonia.
07
OR
(b) Discuss in brief: Different applications of glass. 07
Q.3 (a) Explain waste water treatment by activated sludge process. Discuss treated
effluent disposal management.
07
(b) Write a short note on: Ceramic industries. 07
OR
Q.3 (a) What is Unit operation and Unit process? Explain in detail 07
(b) Explain manufacturing of Caustic and Chlorine with flow diagram. 07
Q.4 (a) Explain ion-exchange process with neat diagram for water softening. 07
(b) Write short notes on NPK fertilizers. 07
OR
Q.4 (a) List out the types of paper products. Explain in detail manufacturing of paper. 07
(b) Discuss Linde?s process for manufacture of O2 and N2. 07
Q.5 (a) Explain in detail demineralization and desalting of water with sketch. 07
(b) Discuss in brief on Propellants. 07
OR
Q.5 (a) Describe manufacturing of pure CO2 with neat flow diagram. Enlist different
uses of dry CO2.
07
(b) Explain manufacturing of pulp by using Kraft process with neat sketch. 07
*************

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