Madurai Kamraj University (MKU) 2007 B.Sc Mathematics2008 - Energy and Environmental Studies - Question Paper

ENERGY AND ENVIRONMENTAL STUDIES
PHS 1400 END OF SEMESTER EXAMINATION-NOVEMBER 2007
Time:3 hrs Max:100 Marks
Part-A (10*2=20)
ans all questions:

1.Distinguish ranging from renewable and non-renewable energy sources?
2.Give the marits and demerits of using solar energy?
3.What are the differences ranging from grazing and detritus food chain?
4.Name any 4 medicinal plants?
5.What is 'smog'? elaborate its types?
6.How will you remove SO2 from a gas?
7.As an individual,how will you help in reducing noise pollution?
8.Explain the term energy plantation?
9.'Carrying capacity' - describe
10.How does ozone layer get depleted?

Part-B (5*7=35)
ans any 5 questions:

11.With a help of a neat diagram,explain the working of a solar water heater
12.Discuss in detail solar absorption refrigerator
13.Discuss the values of bio-diversity
14.Explain the energy flow in the ecosystem.
15.Give the definition of thermal pollution and explain its harmful effects.
16.Discuss the different steps involved in municipal sewage treatment.
17.Explain rainwater harvesting.
18.Explain any 2 environmental protection act.

Part-C
ans all the questions:

19.A.i) With the help of neat sketch discuss Ocean Thermal Energy Conversion(OTEC) system.
ii) discuss the method of extracting energy from waves with a neat diagram.
(or)
B. define in detail the active and passive space heating with necessary sketches.
20.A.i) explain the biological classification of India.
ii) Justify the statement "India- a mega diversity nation".
(or)
B.Explain the kinds of air pollutants and provide their harmful effects.
21.A.Discuss in detail i) Green house effect, ii) Global warming and III)Ozone as protective layer.
(or)
B.Discuss the causes, prevention, diagnostic tests, and treatments for AIDS and also the ways of spreading.

Earning:   Approval pending.