Energy, Environment, Ecology & Society - Dec 2014

First Year Engineering (Set B) (Semester 1)

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 any one question from Q1 & Q1 (e)

1 (a) Discuss the advantages and disadvantages of wind energy.(2 marks) 1 (b) Discuss the use of solar energy for water heating.(2 marks) 1 (c) Write a short note on biomass energy.(3 marks) 1 (d) What do you mean by primary and secondary energy sources? Mention the difference between them with suitable example.(7 marks) 1 (e) How Geothermal energy is used for generation of electrical power? Write its advantages and disadvantages.(14 marks)

Answer the any one question from Q2 & Q2 (e)

2 (a) Explain the term biodiversity with suitable examples.(2 marks) 2 (b) Describe the water cycle.(2 marks) 2 (c) Define the segments of environment.(3 marks) 2 (d) What are biogeochemical cycles? Describe the Nitrogen cycle with a neat diagram.(7 marks) 2 (e) What is an environment? Discuss the various segments of environment in brief.(14 marks)

Answer the any one question from Q3 & Q3 (e)

3 (a) What are the adverse effects of air pollutants?(2 marks) 3 (b) What are acid rains? State the effects of acid rains on health.(2 marks) 3 (c) Give the importance of ozone layer.(3 marks) 3 (d) Discuss the impact of noise pollution on biotic and abiotic components.(7 marks) 3 (e) What are Green house gases? How do they contribute in global warming?(14 marks)

Answer the any one question from Q4 & Q4 (e)

4 (a) Write short note on aerobic treatment of water.(2 marks) 4 (b) What are the problems on land degradation(2 marks) 4 (c) Write short note on harmfull effects of industrial waste water.(3 marks) 4 (d) Mention the source of soil pollution and their control measures.(7 marks) 4 (e) Differentiate between organic and inorganic water pollutants.(14 marks)

Answer the any one question from Q5 & Q5 (e)

5 (a) What are codes of ethics?(2 marks) 5 (b) Write short note on environmental protection act.(2 marks) 5 (c) What are the objectives of ethics and its study?(3 marks) 5 (d) What are the various methods that are being adopted for collection and disposal of solid waste?(7 marks) 5 (e) State and discuss the general moral of ACM code of ethics and professional conduct.(14 marks)