Question Paper: Environmental Engineering : Question Paper Dec 2014 - Civil Engineering (Semester 5) | Gujarat Technological University (GTU)

Environmental Engineering - Dec 2014

Civil Engineering (Semester 5)


1 (a) Define environment. Explain the role of microorganism in the environment.(7 marks) 1 (b) Enlist the different physical, chemical, biological parameters for drinking water. Explain any one physical parameter in detail.(7 marks) 2 (a) Define the following terms:
1. COD.
2. Manhole
3. Plumbing System
4. Phototrophs
5. Rubbish
6. Air pollution
7. Mist
(7 marks)
2 (b) Write drinking water quality standards as per BIS.(7 marks) 2 (c) Give classification of trap. Explain with sketch intercepting trap.(7 marks) 3 (a) Write a short note on 'composting as a method of disposal of solid waste'.(7 marks) 3 (b) Define Air pollution. Write sources of air pollution.(7 marks) 3 (c) Explain in brief different factors affecting self purification capacity of the river or stream.(7 marks) 3 (d) Define Environmental Audit. Explain in detail steps involved in conducting the Environmental Audit.(7 marks) 4 (a) Explain the different factors affecting rate of water demand.(7 marks) 4 (b) The following data have been noted from the census department:

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Year Population
1950 80,000
1960 1,55,000
1970 2,50,000
1980 4,78,000
1990 8,53,000
2000 9,80,000

Calculate Probable Population in the year 2030 using Incremental increase method.(7 marks) 4 (c) Describe the characteristics of the waste generated from the following industries.
(1)Paper and pulp industry (2) dairy industry
(7 marks)
4 (d) Explain Eutrophication and sewage sickness. Also discuss their role in Environmental engineering.(7 marks) 5 (a) Enlist the different equipments/devices used for control of particulate matter. Explain with neat sketch Gravitational settling chamber. Also write its advantages and disadvantages.(7 marks) 5 (b) Explain in brief methodology of Environmental Impact Assessment.(7 marks) 5 (c) Write the different control measures for noise pollution.(7 marks) 5 (d) Explain the growth pattern of micro-organisms based on mass.(7 marks)

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