RGPV First Year Engineering (Set B) (Semester 1)
Energy, Environment, Ecology & Society
December 2013
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


Answer any one question from Q1 & Q2
1 (a) What is green energy? What are its sources?
7 M
1 (b) How solar energy can be used for electricity generation and water heating?
7 M

2 (a) Discuss the role played by the non-conventional energy resources towards the protection of the environment.
7 M
2 (b) Describe the sources and waste management of nuclear power energy.
7 M

Answer any one question from Q3 & Q4
3 (a) Define ecosystem. Explain the importance and functions of producers, consumers and decomposers in an ecosystem.
7 M
3 (b) What are the factors responsible for loss of plant and genetic biodiversity. Discuss steps needed to prevent them
7 M

4 (a) Explain the term Lapse rate and temperature inversion with reference to atmospheric structure.
7 M
4 (b) Explain hydrological cycle and oxygen cycle.
7 M

Answer any one question from Q5 & Q6
5 (a) Describe any two photochemical reactions occurring in the atmosphere.
7 M
5 (b) Discuss the sources and effects of particulates in the atmosphere.
7 M

6 (a) What is the normal audio frequency range for a young healthy person? Write physiological and psychological effects of noise.
7 M
6 (b) What were Chernobyl disaster and Bhopal gas disaster?
7 M

Answer any one question from Q7 & Q8
7 (a) Discuss with the help of a diagram trickling filtration process for waste water treatment.
7 M
7 (b) What are Equalisation and Neutralisation of waste water?
7 M

8 (a) Describe the role of Urban waste and modern agro-technology in soil pollution. Give their adverse effects and controlling measures
7 M
8 (b) Describe the treatment for any common industrial waste water.
7 M

Answer any one question from Q9 & Q10
9 Explain plastic waste and e-waste and discuss their management strategies.
14 M

10 (a) Write informative notes on ? Ethical situations?.
7 M
10 (b) Write brief note on wild-life protection act.
7 M



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