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Environmental Engineering 1 Question Paper - Dec 18 - Civil Engineering (Semester 5) - Mumbai University (MU)
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written 4.9 years ago by
shaikhainiya2001
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Environmental Engineering 1 - Dec 18
Civil Engineering (Semester 5)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
1.a.
Explain the principle of sedimentation and the design parameters used.
(5 marks)
00
1.b.
Explain physical, chemical and biological impurities in water.
(5 marks)
00
1.c.
Write a note on rain water harvesting techniques.
(5 marks)
00
1.d.
Write a note on reverse osmosis.
(5 marks)
00
2.a.
Design a rectangular sedimentation tank to treat 5 MLD of water. Assume
data wherever required and check for surface loading and weir loading.
(10 marks)
00
2.b.
List the factors affecting the selection of site for intake structure. Also Draw
a neat diagram of submerged intake structure.
(10 marks)
00
3.a.
Explain the process of coagulation and flocculation. Write about coagulant
aids.
(10 marks)
00
3.b.
Draw a flow diagram showing sequence of various treatment units with
river as a source. List these units sequentially state the functioning of each unit.
(10 marks)
00
4.a.
Define and Enlist different methods of water softening. Explain Zeolite
process with neat Sketch.
(10 marks)
00
4.b.
Explain different methods of disinfection and types of chlornation.
(10 marks)
00
5.a.
Design a rapid sand filter unit along with under drainage system for population of 200,000 which is to be served by a 200 l/head/day of water supply. Assume all the data and mention the same.
(10 marks)
00
5.b.
What are air pollutants and control measures for gaseous and particulate matter? Mention air quality standards.
(10 marks)
00
6.a.
Noise pollution and control.
(5 marks)
00
6.b.
Fixture and Fittings of Building Water Supply
(5 marks)
00
6.c.
Aeration process and types
(5 marks)
00
6.d.
Slow and filters.
(5 marks)
00
6.e.
Water and demands.
(5 marks)
00
6.f.
Removal of iron and manganese.
(5 marks)
00
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