Diploma-Diploma Chemical Engineering 3rd Sem Chemical Process Technology-1(Gujarat Technological University-2013)
Friday, 30 August 2013 04:19anudouglas
GUJARAT TECHNOLOGICAL UNIVERSITY
DIPLOMA ENGG.- SEMESTER–III EXAMINATION – WINTER 2012
Subject code: 330504 Date: 05/01/2013
Subject Name: Chemical Process Technology-1
Time: 2:30 pm – 5:00 pm Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. English version is Authentic
Q.1 (a) (1) Write down various types of processes for manufacturing of phosphoric acid.
(2) Write down major engineering problems for manufacturing of phosphoric acid by
Hydrochloric Acid Leaching process.
(3) Write down physical properties of phosphors and phosphoric acid.
(b) Describe manufacturing of phosphoric acid by Hydrochloric Acid Leaching process
with chemical reaction and neat diagram.
Q.2 (a) (1) Write physical and chemical properties of sulfuric acid.
(2) Describe manufacturing of sulfuric acid by DCDA process with chemical reaction
and neat diagram.
(b) (1) Write down uses and physical properties of Hydrochloric acid.
(2) Discuss major engineering problems for manufacturing of sulfuric acid. OR
(b) Explain manufacturing of Hydrochloric acid by synthetic method.
Q.3 (a) (1) Define Polymer and Polymerization.
(2) Write only names of various modes of polymerization.
(3) Differentiate thermosetting and thermoplastic.
(b) (1) Write down properties and uses of Nylon-6,6.
(2) Describe manufacturing process of Nylon-6,6 with chemical reaction and neat
diagram.
OR
Q.3 (a) (1) Differentiate stainless steel and mild steel.
(2) Define Soap, Detergent, Refrigerant and Propellants.
(b) Describe methods of soap production by continuous hydrolysis and saponification with
chemical reactions and neat diagram.
Q.4 (a) (1) Define Cement
(2) Write down physical properties and uses of Lime.
(3) Explain major engineering problems for manufacturing process of Portland cement.
(b) (1) Write chemical reactions for manufacturing process of Portland cement.
(2) Describe manufacturing process of Portland cement with neat diagram.
Q. 4 (a) Explain manufacturing process of Lime by Hydrated lime process with chemical
reaction, major engineering problems & neat diagram.
(b) Describe Alumina production from Bauxite with chemical reaction, major engineering
problems and neat diagram.
Q.5 (a) (1) Write down physical properties of Soda ash, Caustic soda and Chlorine.
(2) Discuss major engineering problems for manufacturing of Soda ash by Solvay
process.
(b) Describe manufacturing of Soda ash by Solvay process with chemical reactions, raw
materials and neat diagram.
OR
(a) Discuss Hydrogenation of Coal with neat diagram and major engineering problems.
(b) (1) Write down major engineering problems for distillation of coal
tar and gasification of coal.
(2) Give classification of chemical industries.
02
05
| Earning: ₹ 0.00/- |
