GTU Environmental Engineering - December 2014 Exam Question Paper

GTU Civil Engineering (Semester 5)
Environmental Engineering
December 2014

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) Define environment. Explain the role of microorganism in the environment.

7 M

1 (b) Enlist the different physical, chemical, biological parameters for drinking water. Explain any one physical parameter in detail.

7 M

2 (a) Define the following terms:
1. COD.
2. Manhole
3. Plumbing System
4. Phototrophs
5. Rubbish
6. Air pollution
7. Mist

7 M

2 (b) Write drinking water quality standards as per BIS.

7 M

2 (c) Give classification of trap. Explain with sketch intercepting trap.

7 M

3 (a) Write a short note on 'composting as a method of disposal of solid waste'.

7 M

3 (b) Define Air pollution. Write sources of air pollution.

7 M

3 (c) Explain in brief different factors affecting self purification capacity of the river or stream.

7 M

3 (d) Define Environmental Audit. Explain in detail steps involved in conducting the Environmental Audit.

7 M

4 (a) Explain the different factors affecting rate of water demand.

7 M

4 (b) The following data have been noted from the census department:

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 M

4 (c) Describe the characteristics of the waste generated from the following industries.
(1)Paper and pulp industry (2) dairy industry

7 M

4 (d) Explain Eutrophication and sewage sickness. Also discuss their role in Environmental engineering.

7 M

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 M

5 (b) Explain in brief methodology of Environmental Impact Assessment.

7 M

5 (c) Write the different control measures for noise pollution.

7 M

5 (d) Explain the growth pattern of micro-organisms based on mass.

7 M

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