Gujarat Technological University 2009-3rd Sem B.E Chemical Engineering (Chemical Engg) emr , Subject Name: Chemical Process Industries-I - Question Paper
GUJARAT TECHNOLOGICAL UNIVERSITY
B.E. Sem-III(Chemical Engg)Examination December 2009
Subject code: 130505
Subject Name: Chemical Process Industries-I
Date: 17 / 12 / 2009
Total Marks: 70
Seat No. Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
B.E. Sem-III(Chemical Engg)Examination December 2009
Subject code: 130505 Subject Name: Chemical Process Industries-I
Date: 17 / 12 / 2009 Time: 11.00 am - 1.30 pm
Total Marks: 70
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Describe manufacturing of H2SO4 by DCDA process. 07
(b) Discuss maj or engineering problems associated with the production of 07 Urea.
Q.2 (a) Attempt all: 07
(i) What do you mean by 65 % Oleum ?
(ii) Draw a schematic symbol of distillation operation.
(iii) Diffentiate: Distilled and Mineral water.
(iv) What is biuret in Urea?
(v) Explain concept of Reverse Osmosis.
(vi) List out four Cement manufacturing unit.
(vii) Write the formula of Soda ash and Caustic soda.
(b) Describe in details: Unit operation and Unit process 07
OR
(b) Write a short note on Ion-exchange process for water softening. 07
Q.3 (a) Write a short note on Montecatini process for Nitric acid production. 07
(b) Discuss maj or engineering problems associated with the production of 07 Nitric acid.
OR
Q.3 (a) Explain the manufacturing process of Urea with flow diagram. 07
(b) Discuss scope of Chemical Industries in India. 07
Q.4 (a) Write a short note on Solvay process for the production of Soda ash. 07
OR
Q.4 (a) Write a short note on manufacturing process of Paper with neat flow 07 diagram.
(b) Distinguish Sulfate and Sulfite process for pulp manufacturing. 07
Q.5 (a) Define Cement. Write types of cements with characteristics. 07
(b) Discuss maj or engineering problems associated with the production of 07 Cement.
OR
Q.5 (a) Describe manufacturing of pure CO2 . List out uses of dry CO2. 07
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