Energy, Environment, Ecology & Society - Dec 2012
First Year Engineering (Set A) (Semester 2)
TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (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 the two one question from Q1(a) Q1(b) and Q2(a) Q2(b)
1 (a) Define renewable & non renewable sources of energy with examples. Discuss the uses of solar energy for the water heating. Space heading & production of electricity.(7 marks) 1 (b) Write a brief note on Hydral energy.(7 marks) 10 (a) What do you understand by ethics and moral values? Discuss the objectives of ethics with suitable examples. Give a brief account of various moral standards.(7 marks) 10 (b) Explain various methods of solid waste disposal and treatment.(7 marks) 2 (a) What for nuclear reactors used? Draw & describe its various parts.(7 marks) 2 (b) What is solar pond? Give an account of merits & demerits of a solar pond.(7 marks)
Answer the two one question from Q3(a) Q3(b) and Q4(a) Q4(b)
3 (a) Define environment? How man effects his environment?(7 marks) 3 (b) What are biochemical cycles? Describe Carbon cycle with a neat sketch.(7 marks) 4 (a) What is ecosystem? Describe energy flow in an environment.(7 marks) 4 (b) Write a detailed note on biodiversity.(7 marks)
Answer the two one question from Q5(a) Q5(b) and Q5(a) Q5(b)
5 (a) What is atmoshere? Give its composition and explain the importance of atmosphere.(7 marks) 5 (b) Define air pollution. Discuss causes and effect of air pollution.(7 marks) 6 (a) Give an account of various chemical and photochemical reactions taking place in the atmosphere.(7 marks) 6 (b) What is sound pollution? Write the sources and adverse effects noise pollution?(7 marks)
Answer the two one question from Q7(a) Q7(b) and Q8(a) Q8(b)
7 (a) Discuss in detail aerobic and anaerobic waste water treatment methods with their advanteges and disadvantages.(7 marks)
7 (b) Differentiate between:
(i) Point and diffused sources of water pollution.
(ii) Biodegradable and non biodegradable water pollutants.
(iii) Organic & inorganic water pollutants.(7 marks) 8 (a) Define and describe components of:
Primary, secondary and tertiary treatment of water.(7 marks) 8 (b) What are major sources of soil pollution? Discribe any three of them with respect to causes, adverse effects and controlling measures.(7 marks)
Answer the two one question from Q9(a) Q9(b) and Q10(a) Q10(b)
9 (a) What is meant by society and environment? How are these related to each other? Explain the impact of waste on society.(7 marks)
9 (b) Discuss methods of
(i) Nuclear waste management
(ii) Hospital waste management.(7 marks)