Sunday, May 31, 2015

Dec 2010 BE SCHX1001 Environmental Science & Engineering Sathyabam University

SATHYABAMA UNIVERSITY

(Established under section 3 of UGC Act, 1956)

Course & Branch: B.E/B.Tech-CSE/IT/MECH/M&P/AERO/AUTO/

Civil/CHEM/BME/BTE

Title of the Paper: Environmental Science & Engineering

Max. Marks: 80

Sub. Code: SCHX1001 Time: 3 Hours

Date: 10/12/2010 Session: FN

______________________________________________________________________________________________________________________

PART - A (10 X 2 = 20)

Answer ALL the Questions

1. What is meant by green house gases?

2. What are the roles of women in environmental protection?

3. What is meant by non point pollution?

4. Define genetic diversity and species diversity.

5. Explain the term sustainable development.

6. Differentiate between recycling and reuse.

7. What is a Dobson unit?

8. Why is world environment day observed on 5^th June every year?

9. What is acid deposition?

10. Define population explosion.

PART – B (5 x 12 = 60)

Answer All the Questions

11. Sketch and describe the components of environment and their interrelationship between them.

(or)

12. Describe the carbon cycle in an ecosystem.

13. “Almost all the rivers in

India

have become sewage carriers – Explain the reasons for aforesaid statement.

(or)

14. “Interlinking of rivers is the solution for drought as well as Flood solution in

India

” – critically comment.

15. With neat block diagrams explain the various unit opertions and processes in a municipal sewage treatment plant.

(or)

16. Discuss the air pollution due to vehicles and its control measures.

17. Briefly explain the on-site treatment and disposal of clinical wastes in industries.

(or)

18. Explain the mechanism of formation of acid rain and stratospheric ozone depletion.

19. Draw a typical population pyramid of a developing country and discuss how it is likely to differ from that of a developed country.

(or)

20. Outline the various family welfare plans in the post indendent

India

Duraimani

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