Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 8th Sem 2180509 Fertilizer Technology Previous Question Paper
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?VIII (NEW) EXAMINATION ? WINTER 2020
Subject Code:2180509 Date:21/01/2021
Subject Name:Fertilizer Technology
Time:02:00 PM TO 04:00 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Discuss the industrial applications of ammonia.
03
(b) What are the advantages of using bio fertilizers? State their limitations.
04
(c) Stating the classification of plant nutrients, discuss the role of essential
07
elements in plant growth.
Q.2 (a) Justify the need for the production of synthetic fertilizers in India.
03
(b) Briefly discuss about the classification of fertilizers.
04
(c) Explain in detail, the development of fertilizer industry, fertilizer production
07
and consumption in India.
Q.3 (a) Briefly explain the process of increasing the concentration of nitric acid by
03
Mg(NO3)2
(b) Discuss the properties and applications of nitric acid.
04
(c) Describe the manufacture of nitric acid by intermediate pressure ammonia
07
oxidation process.
Q.4 (a) Disciss about the storage and transportation of ammonia.
03
(b) Briefly discuss about the production of synthesis gas by steam hydrocarbon
04
reforming.
(c) Describe the production of ammonia by Kellogg process with a neat diagram.
07
Q.5 (a) State the applications of urea.
03
(b) Briefly explain the production of ammonium sulfate from ammonium
04
carbonate and gypsum.
(c) With a neat diagram, describe the manufacture of ammonium nitrate by prilling
07
process.
Q.6 (a) Briefly discuss about the application of fertilizers considering the types of
03
crops.
(b) Write a short note on design aspects of ammonia converters.
04
(c) Describe the manufacture of NPK fertilizer with a process flow diagram.
07
Q.7 (a) State the properties and uses of potassium chloride.
03
(b) Briefly explain the preparation of potassium nitrate and potassium sulfate.
04
(c) Describe the manufacture of potassium chloride from sylvinite in detail.
07
Q.8 (a) Justify the need for using bio fertilizers more in India.
03
(b) Briefly explain a method of preparation of calcium ammonium nitrate (CAN).
04
(c) Write short notes on nitrogen-fixing bio fertilizers and phosphate-solubilizing
07
bio fertilizers.
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This post was last modified on 04 March 2021