Environmental Studies - Dec 2012

First Year Engineering (Semester 1)

TOTAL MARKS: 60
TOTAL TIME: 2 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Use suitable data wherever required.
(4) Figures to the right indicate full marks.

Attempt any five of the following:

1(a) Why acid-rains are caused?(3 marks) 1(b) What are the sources and effects of E-pollution? (3 marks) 1(c) How Indoor pollution is caused? (3 marks) 1(d) With suitable example explain the concept of food-chain.(3 marks) 1(e) Which are renewable energy sources? Why they are important? (3 marks) 1(f) What role is played by Ministry of Environment and Forest (MoEF) in conservation of Environment? (3 marks) 1(g) What is Appropriate Technology?(3 marks) 2(a) Explain Socio-Economic aspects of sustainable development.(5 marks) 2(b) With the help of neat diagram, explain working of Venturi Scrubber(5 marks) 2(c) Explain, briefly how Photovoltaic cells are useful in harnessing solar energy(5 marks) 3(a) Explain briefly Industrial waste water treatment(5 marks) 3(b) What are the powers and functions of Central Pollution Control Board?(5 marks) 3(c) Explain the concept and objectives of Green Building(5 marks) 4(a) How does Biomass and Energy flow are related in Ecological Pyramid? (5 marks) 4(b) How electricity can be generated from wind energy? (5 marks) 4(c) Explain salient features of Environmental Protection Act. (5 marks) 5(a) How Resource utilization as per carrying capacity is important for sustainable development? (5 marks) 5(b) With suitable diagram of steam power plant, explain how electricity can be obtained from geothermal energy? (5 marks) 5(c) What is Solid Waste Management? How Solid Waste Management is done by composting? (5 marks) 6(a) Explain various methods or techniques for managing earthquakes(5 marks) 6(b) What are the sources and effects of noise pollution(5 marks) 6(c) Explain the relevance of 3R for sustainable development. (5 marks)