Sathyabama University 2009 B.E Mechanical Engineering ENVIRONMENTAL SCIENCE AND ENGINEERING - Question Paper

PART – A (10 x two = 20)
ans All the ques.

1. List the different components of environment.

2. describe the oretical oxygen demand.

3. What is the role of chemistry in pollution control?

4. Write short notes about environmental quality objectives.

5. How biomedical wastes are disposed?

6. Why Ozone layer is getting depleted?

7. elaborate green house gases?

8. describe Eutrophication.

9. Name any 4 pollution control acts.

10. elaborate Freons?



PART – B (5 x 12 = 60)
ans All the ques.

11. discuss the relationship ranging from the different components and subcomponents of environment.
(or)
12. explain how energy flow material cycling in ecosystem in disturbed due to pollution.

13. “Control of pH decreases water pollution” – Justify this statement.
(or)
14. discuss the role of good environmental quality objectives in implementing pollution control policies.

15. discuss how industrial and vehicular effluent causes air pollution. Suggest few methods to decrease air pollution.
(or)
16. elaborate hazardous materials? discuss the methodology for hazardous materials transportation.

17. explain about different waste minimization techniques.
(or)
18. define in detail how the engineering intervention decreases the environmental stresses.

19. discuss the role of non government organizations to prevent environmental pollution.
(or)
20. explain the role of pollution control board in implementing different pollution control acts.

Earning:   Approval pending.