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2003 Course Instrumentation For Environmental Engineering

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Total No. of Questions : 12] [Total No. of Pages : 2 P1080 [3864] - 285 B.E. (Instru. & Control) INSTRUMENTATION FOR ENVIRONMENTAL ENGINEERING (2003 Course) (406264 (2)) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer three questions from section I and three questions from section II. 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, Molier charts, electronic pocket calculator and steam tables is allowed. 6) Assume suitable data, if necessary. SECTION - I Q1) a) What are the natural cycles of environment? Illustrate hydrogen cycle.[10] b) Differentiate between online and offline measurements of pollutants. [8] OR Q2) a) b) Q3) a) b) Explain standard methods of pollution analysis. [10] Discuss on recent sensors used for pollution controls. [8] Explain Drop/Topple Environmental testing. [8] Describe an ecological risk assessment paradigm. [8] OR Q4) a) b) Q5) a) What are the toxic pollutants? Explain the common toxic manifestations. [8] Write a note on ISO14001. [8] A conventional cyclone with diameter 1.0 meter handles 3.0 m3/s of standard air carrying particles with a density of 3000 kg/m3. For effective number of turns of a gas makes in traversing the cyclone (Ne) is 6. Determine cut size and the efficiency as a function of particle diameter. [10] P.T.O. b) What is collection efficiency? Explain mechanisms of particulate control [6] equipment. OR Q6) a) b) Discuss on HVAC controls. [8] Enlist the air pollution monitoring Instruments. Explain monitoring of NO - NOx & their controls. [8] SECTION - II Q7) Explain various primary, biological treatments of domestic effluents. Explain controls of activated sludge process. [18] OR Q8) a) Explain different water quality monitoring instruments. [10] b) Discuss on water quality standards. [8] Q9) a) b) Explain effects of radiation pollution. How it is controlled. [8] What is sonic boom? Explain noise measurement using suitable diagram. [8] OR Q10)a) Enlist various effects of radiation pollution on living and nonliving organisms. [8] b) Suggest Instrumentation scheme for vehicle noise measurement & control. [8] Q11)a) How pesticides are analysed? Explain spectroscope analysis of pesticides. [8] b) Explain analysis of micronutrients in soil. [8] OR Q12)Write short notes on: [16] a) Instrumentation setup for soil pollution reduction. b) Chromatographic characterization pollution analysis. c) Environmental impact assessment. jjj [3864]-285 2

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