Environmental Studies - May 2014

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. 1 (a) Explain how energy flows ina food chain.(3 marks) 1 (b) Explain the classification of ecosystem.(3 marks) 1 (c) What is "Photochemical Smog" ?(3 marks) 1 (d) What is the role of ministry of Environment and Forest ?(3 marks) 1 (e) What do you understand by "Geothermal Enenrgy" ? Explain.(3 marks) 1 (f) Explain the concept of Green Building.(3 marks) 1 (g) What do you mean by "e-pollution" ?(3 marks) 2 (a) Explain in detail the 3 Rs namely Reuse, Recovery as control measures of sustainability.(5 marks) 2 (b) Write a case study on "Minamate disease" (5 marks) 2 (c) Draw a neat schematic diagram of Hydropower plant and brief its working.(5 marks) 3 (a) Draw a neat and labelled diagram c^f "Venturi Scrubber" and explain its working.(5 marks) 3 (b) What type of Environment clearances are required to set up and start an industrial unit ?(5 marks) 3 (c) Explain the concept of "Carbon Credit".(5 marks) 4 (a) Discuss the global environmental crisis in brief.(5 marks) 4 (b) What are the general powers of the central government stated in chapter-II of Environmental protection Act 1986 ? (5 marks) 4 (c) What are the limitations of conventional sources of energy?(5 marks) 5 (a) How are utilization of resources is made as per the carrying capacity?(5 marks) 5 (b) Explain solid waste management by "Land filling".(5 marks) 5 (c) What are the limitations of conventional sources of energy?(5 marks) 6 (a) Explain "Food chain" and "Food web".(5 marks) 6 (b) How ozone is getting depleted from the atmosphere? Explain with chemcal reactions.(5 marks) 6 (c) What is the role of technology w.r.t. environment and health?(5 marks)