Question: Energy, Environment, Ecology

Energy, Environment, Ecology & Society - Dec 2013

First Year Engineering (Set A) (Semester 2)

(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks.

Answer any one question from Q1 & Q2

1 (a) What is green energy? What are its sources?(7 marks) 1 (b) How solar energy can be used for electricity generation and water heating?(7 marks) 10 (a) Write informative notes on ? Ethical situations?.(7 marks) 10 (b) Write brief note on wild-life protection act.(7 marks) 2 (a) Discuss the role played by the non-conventional energy resources towards the protection of the environment.(7 marks) 2 (b) Describe the sources and waste management of nuclear power energy.(7 marks)

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 marks) 3 (b) What are the factors responsible for loss of plant and genetic biodiversity. Discuss steps needed to prevent them(7 marks) 4 (a) Explain the term Lapse rate and temperature inversion with reference to atmospheric structure.(7 marks) 4 (b) Explain hydrological cycle and oxygen cycle.(7 marks)

Answer any one question from Q5 & Q6

5 (a) Describe any two photochemical reactions occurring in the atmosphere.(7 marks) 5 (b) Discuss the sources and effects of particulates in the atmosphere.(7 marks) 6 (a) What is the normal audio frequency range for a young healthy person? Write physiological and psychological effects of noise.(7 marks) 6 (b) What were Chernobyl disaster and Bhopal gas disaster?(7 marks)

Answer any one question from Q7 & Q8

7 (a) Discuss with the help of a diagram trickling filtration process for waste water treatment.(7 marks) 7 (b) What are Equalisation and Neutralisation of waste water?(7 marks) 8 (a) Describe the role of Urban waste and modern agro-technology in soil pollution. Give their adverse effects and controlling measures(7 marks) 8 (b) Describe the treatment for any common industrial waste water.(7 marks)

Answer any one question from Q9 & Q10

9 Explain plastic waste and e-waste and discuss their management strategies.(14 marks)

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