Environmental Studies - May 2013

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.

Solve any five of the following:

1(a) List
(i) the various sources of water pollution
(ii) common water pollutants(3 marks) 1(b) What is the role of the Ministry of Environment and Forests? (3 marks) 1(c) Define and explain the term sustainable development (3 marks) 1(d) Explain in brief, what is food web(3 marks) 1(e) Explain scientifically the concept of Green building(3 marks) 1(f) List the conventional energy sources and state their limitations(3 marks) 1(g) Define Noise pollution and explain its sources as well as ill effects (3 marks) 2(a) Explain how the environmental resource water is depleting(5 marks) 2(b) Explain working of Venturi scrubber with the help of an example(5 marks) 2(c) Explain working of hydropower electricity plant with the help of neat sketch(5 marks) 3(a) Explain how a geothermal electricity plant works. Draw a neat labelled schematic diagram for the same.(5 marks) 3(b) Define any five of the terms from the Environmental Protection Act, 1986
(i) Environment
(ii) Environmental pollutant
(iii) Environmental pollution
(iv) Hazardous substance
(v) Occupier
(vi) Handling
(vii) Prescribed(10 marks) 4(a) Explain various modes needed for public awareness to protect the earth from environmental degradation(5 marks) 4(b) Explain the term E-pollution. What are its sources and ill-effects?(5 marks) 4(c) State and explain working principle of flat plate collector used for solar energy(5 marks) 5(a) What do you mean by appropriate technology? What is their criteria for selection?(5 marks) 5(b) Write case study on Minamata disease in Japan(5 marks) 5(c) Explain what is Indoor pollution. Give examples of such pollutants and state their ill effects(5 marks) 6(a) Write a case study on Tsunami and Earthquakes in Japan(5 marks) 6(b) When one is setting up an industrial unit, what is the role of Environmental clearance consent and authorisation mechanism?(5 marks) 6(c) Explain generation of elecricity using wind energy, with help of neat and labelled sketch of wind turbine(5 marks)