This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
B.Tech. Sixth Semester Examination (.... Engineering)
10168 : Free Elective-II : Water Technology : 6 FECH 05
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Pages: 2 AW - 3251
Time : Three Hours Max. Marks : 80
Notes:
- Answer three questions from Section A and three questions from Section B.
- Due credit will be given to neatness and adequate dimensions.
- Assume suitable data wherever necessary.
- Diagrams and chemical equations should be given wherever necessary.
- Illustrate your answer with the help of neat sketches.
- Discuss the reaction, mechanism wherever necessary.
- Use of pen Blue/Black ink/refill only for writing the answer book.
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SECTION - A
- a) Describe the general effluent treatment scheme with flow chart. 8
b) Discuss the limitations of Conventional wastewater treatments. 6
OR - a) How is particulate matter removed from water? Explain sand filtration. 10
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b) Explain the theory of flocculation. 4 - a) What is reverse osmosis? Explain its salient Features. 6
b) What are the different methods of removal of iron from wastewater? Explain in brief. 7
OR - Discuss about the following reactors. 13
- Trickling filter.
- Rotating Disc fixed film biological reactor.
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- a) Why is it necessary to have nutrient control in effluents? Explain. 7
b) What are the various physical and chemical methods for removal of nitrogen from wastewater? Explain in brief. 6
OR - Discuss the importance of activated sludge process in biological treatment of wastewater. 13
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SECTION - B
- a) What are the novel methods of aeration? 6
- What are the different methods to remove heavy metals from wastewater? Explain in short. 7
OR - a) Explain the use and operation of rotating Geological Contactor in wastewater treatment. 7
b) How is centrifugation carried out? Explain its applications with suitable examples. 6 - a) What are the various desired properties of disinfectants in wastewater treatment? 4
b) Discuss about the following points: 10- Chlorination chemistry.
- Chlorination by products.
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- a) How can you remove pesticides by activated carbon filters? 6
b) Explain in detail Reverse Osmosis. 8 - Give the details of the following filtration methods for high quality effluents. 13
- Gravity filters
- Rapid sand filters
- Pressure filters
- Vacuum filters
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- a) How are biosolids treated? Explain in detail with a suitable example. 7
b) Explain the phenomena of soil conditioning and fertilizing with a suitable example. 6
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This download link is referred from the post: SGBAU B.Tech Last 10 Years 2010-2020 Question Papers || Sant Gadge Baba Amravati university
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