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Air Pollution (Elective II) (April 2010)

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Total No. of Questions : 10] [Total No. of Pages : 2 [3764] - 1006 B.E - Civil AIR POLLUTION (1997 Course) (Elective II) P1503 Time : 3 Hours] [Max. Marks : 100 Instructions: 1) Answer any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) 4) 5) Neat diagrams must be drawn wherever necessary. Figures to the right indicate full marks. Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. Assume suitable data, if necessary. 6) SECTION - I 1 ) a) b) 2 ) a) b) Enlist Primary and Secondary meteorological factors influencing air pollution and explain each in brief. [8] What is inversion? Explain in brief radiation and subsidence inversion. [8] Explain mechanism, effects and control of Ozone layer depletion. [8] Explain with neat sketch wind rose diagram. What are its applications in air pollution studies? [8] 3 ) a) b) c) Explain in details any one air pollution episode. [6] Explain the purpose of ambient air sampling and stack gas sampling.[6] Explain effect of atmospheric stability on plume dispersion. [4] 4 ) a) What are the effects of global warming? Suggest suitable measures to control global warming. [8] If government wants to fix location for chemical industrial zone, explain the factors required to be considered. [8] b) P.T.O. 5) Write short notes on (All). (a) Plume behaviour. (b) Plume rise with a neat sketch. (c) Iso - kinetic sampling with a neat sketch. 6 ) a) b) 7 ) a) b) 8) ) b) 9) ) b) [18] What are the various factors to be taken into consideration before finalizing the control equipment depending on the properties of the pollutants?[8] Explain the mechanism of photochemical reactions. Write at least two chemical reactions as an example. [8] Explain with a neat sketch working principle of Electro Static Precipitator. [8] Explain with a neat sketch working principle of standard cyclone. [8] What is Environmental Impact Assessment? What are the advantages and limitations of E.I.A.? [8] Explain the important provisions made in The Air (Prevention and Control of pollution) Act 1981 . [8] Explain various methods of control of odour problem. [8] Enlist various types of scrubbers? Draw a neat sketch and explain any two types. [8] Q10)Write short notes on (All). (a) Technique used for filter cleaning. (b) Land use planning for air pollution control. (c) Economic losses due to air pollution. ***** [3764] - 1006 -2- [18]

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Additional Info : April 2010 Examination - Air Pollution (Elective II) (1997 Course)
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