Gujarat Technological University 2009 B.E Chemical Engineering Chemical Process Industries-I - Question Paper

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
Instructions:
1. Attempt all ques..
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) define manufacturing of H2SO4 by DCDA process. [07]
(b) explain major engineering issues associated with the production of
Urea. [07]

Q.2 (a) Attempt all:
(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) discuss concept of Reverse Osmosis.
(vi) List out 4 Cement manufacturing unit.
(vii) Write the formula of Soda ash and Caustic soda. [07]
(b) define 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) explain major engineering issues associated with the production of
Nitric acid. [07]
OR
Q.3 (a) discuss the manufacturing process of Urea with flow diagram. [07]
(b) explain scope of Chemical Industries in India. [07]

Q.4 (a) Write a short note on Solvay process for the production of Soda ash. [07]
(b) discuss manufacturing of Caustic and Chlorine with flow diagram. [07]
OR
Q.4 (a) Write a short note on manufacturing process of Paper with neat flow
diagram. [07]
(b) Distinguish Sulfate and Sulfite process for pulp manufacturing. [07]

Q.5 (a) describe Cement. Write kinds of cements with characteristics. [07]
(b) explain major engineering issues associated with the production of
Cement. [07]
OR
Q.5 (a) define manufacturing of pure CO2 . List out uses of dry CO2. [07]
(b) Write a short note on Explosives. [07]
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Earning:   Approval pending.