Anna University Coimbatore 2009 B.E Computer Science and Engineering Environmental science and engineering - exam paper

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2010

Third Semester Chemical Engineering

CY 1201 – ENVIRONMENTAL SCIENCE AND ENGINEERING

(Common to All branches other than Bio-Medical Engineering, Computer Science
Engineering and info Technology and 1st Semester (Part-Time B.E. Civil,
Electrical and Electronics Engineering, Electronics and Communication Engineering
and Computer Science Engineering – Regulations 2005))
(Regulations 2004)

Time: 3 hours Maximum: 100 marks

ans ALL ques..

PART A – (10 x two = 20 marks)

1. describe sustainable forestry.

2. What is geothermal energy?

3. discuss Biosphere.

4. describe biodiversity.

5. discuss threatened and endangered species.

6. provide a few examples of green house gases.

7. describe thermal pollution.

8. discuss the term sustainable development.

9. What is acid deposition?

10. describe population explosion.

PART B – (5 x 16 = 80 marks)

11. (i) explain the ill effects of deforestation. (6)

(ii) discuss briefly the different methods of harvesting solar energy. (8)

(iii) Write a note on tidal power. (2)


12. (a) (i) discuss food chain and food web. (4)

(ii) discuss briefly the structure of atmosphere. (6)

(iii) Write a note on Carbon cycle. (6)

Or

(b) (i) discuss ecosystem. (4)

(ii) explain the components of ecosystem. (8)

(iii) Briefly discuss the energy flow through ecosystem. (4)


13. (a) (i) discuss the methods of disposal of municipal solid waste. (8)

(ii) Write a note on disposal or radioactive wastes. (4)

(iii) Compare the nuclear power with Coal power. (4)

Or

(b) (i) elaborate the causes of soil erosion and the methods of preventing it? (6)

(ii) explain the different aspects of prevention and control of noise. (6)

(iii) Write briefly the harmful effects of air pollution. (4)


14. (a) (i) explain the agenda for sustainable development. (8)

(ii) Write in detail about global warming. (8)

Or

(b) (i) discuss the mechanism of ozone layer depletion. (6)

(ii) Write briefly on the community participation in environment management

programmes. (4)

(iii) explain briefly on the Indian Environmental Acts. (6)


15. (a) (i) explain briefly on the reasons for the population explosion. (6)

(ii) explain the environmental and social impacts of growing population. (6)

(iii) Write briefly on the effect of increasing affluence on environment. (4)

Or

(b) (i) Write briefly on implementation of family planning programme. (6)

(ii) Write a note on AIDS in developing countries. (4)

(iii) explain the factors influencing the family size. (6)

Earning:   Approval pending.