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Air Pollution (Elective II) (October 2010)

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Total No. of Questions : 10] [Total No. of Pages : 2 [3864]-6 P1299 B.E. (Civil) AIR POLLUTION (Elective - II) (1997 Course) Time : 3 Hours] [Max. Marks :100 Instructions to the candidates: 1) Answer any THREE questions from each section. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 6) Assume suitable data, if necessary. SECTION - I Q1) a) b) Q2) a) b) Q3) a) b) c) Q4) a) b) Define air pollution. Enlist various pollutants and their sources in a tabular form. Discuss various classifications of air pollutants. [8] Industrialization and Urbanization are the major causes of air pollution . Explain with examples. [8] Explain the mechanism of formation of photochemical smog with chemical equations. Explain any one air pollution episode. [8] Explain effects of any four air pollutants on human health. [8] Explain the difference between ambient air sampling and stack sampling.[6] Draw schematically a sampling train for stack sampling indicating the equipments required. [6] Explain the precautions taken while collecting samples for stack gas sampling. [4] Explain the concept of plume rise. What are the factors considered in calculating plume rise? Write any two formulae for calculating plume rise.[8] If Government wants to fix location for chemical industrial zone, explain the factors required to be considered. [8] P.T.O. Q5) Write short notes on (Any Three). a) Wind rose diagram. b) Types of inversion. c) Gaussian model and its application. d) Atmospheric stability conditions. [18] SECTION - II Q6) a) b) Q7) a) b) Q8) a) b) Q9) a) b) Draw a neat sketch of gravity settling chamber. Explain the working principle of gravity settling chamber. [8] Draw a neat sketch of Electro Static Precipitator (ESP). What are the advantages and disadvantages of ESP? [8] Discuss with sketch, principle, material collection phenomenon of cyclone. Explain advantages and disadvantages of cyclone. [8] Explain objectives of using air pollution control equipments. What data is required to be collected before selecting control equipment? [8] What is Environmental Impact Assessment? Explain the objectives of carrying out E.I.A. What are the limitations of E.I.A.? [8] [8] Explain various economic losses due to air pollution. Explain sources, effects and control of odour pollution. [8] What is land use planning? Explain its role as an air pollution control technique. [8] Q10)Write short notes on (Any Three) a) Bag filter. b) Control of air pollution at source with examples. c) Air pollution act. d) High volume sampler. E [3864]-6 E 2 E [18]

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Additional Info : 1997 Course
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