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2003 Course Non Conventional Energy Sources

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Total No. of Questions :12] P1116 [Total No. of Pages : 3 [3864] - 162 B.E. (Mech. S/W) NON CONVENTIONAL ENERGY SOURCES (402065) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer three questions from section I and three questions from section II. 2) Answers to the two sections should be written in separate books. 3) Neat diagrams must be drawn wherever necessary. 4) Figures to the right indicate full marks. 5) Use of logarithmic tables, slide rule, Mollier Chart, electronic pocket calculator and steam tables is allowed. SECTION - I Q1) a) What is meant by renewable energy sources? Explain in brief these energy sources with special reference to Indian context. [9] b) Discuss the merits and demerits of alternative energy sources over the currently used energy sources. [8] OR Q2) a) Define Zenith angle, Solar Azimuth angle, Declination angle, Hour angle. Determine the local solar time and declination at a location latitude 23015 N, Longitude 77o30 E at 12.30 IST on June 19. Equation of time correction is given from standard table or chart = - (1 01 ), take standard time longitude = 82o30 . [9] b) What is the difference between a Pyrheliometer and a Pyranometer? Explain the working of instrument used for measurement of global radiation of sun. [8] P.T.O.

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