CY 1201 — ENVIRONMENTAL SCIENCE AND ENGINEERING

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2006.

Third Semester

Civil Engineering

CY 1201 — ENVIRONMENTAL SCIENCE AND ENGINEERING

(Common to all branches (EXCEPT Bio—Medical Engineering, Computer Scienceand Engineering, Electronics and Communication Engineering/InformationTechnology and Petroleum Engineering) and Common to B.E. (Part—Time)Second Semester (Regulation 2005)) (Regulation 2004)

Time : Three hours

Maximum : 100 marks

Answer ALL questions

PART A — (10 x2 : 20 marks)

1. Explain endangered species.

2. What do you mean by avvironmental impact?

3. Explain soil leachii g.`

4. What is acil urecipitation?

5. Explain overgrazing.

6. What is desertification?

7. Define photochemical smog.

8. Define population equilibrium.

9. What is water logging?

10. What are the types of` solid wastes?

PART B — (5 >< 16 =" 80">

14. (a) (i) What is sustainable development and explain its concepts? (4)
(ii) Discuss the agenda for sustainable development. (8) (iii) What are the sources of greenhouse gases in atmosphere? (4)
Or
(b) (i) Write a note on watershed management. (4)
(ii) Discuss briefly on Environment (protection) act 1986. (4)
(iii) Write briefly on Bhopal disaster and Chernobyl disaster. (8)
15. (a) (i) What is population dispersion? Explain. (4)
(ii) Discuss the reason for the population explosion. (4)
(iii) Explain the environmental and social inquacts of growingpopulation. (8)
Or
(b) (i) Discuss the factors influencing ”t···¤1lv size. (8)
(ii) Write a note on the various meth ids of family planning. (4)
(iii) What is AIDS? How to prov int it? (4)