USN 10ME754

Seventh Semester B.E. Degree Examination, Dec.2013 I Jan.2Ol4Non - Gonventional Energy Sources

Time: 3 hrs. Max. Marks:100

Note: Answer uny FIVEfutt questions, selecting atleast TWO questionsfrom each part.

PART - AI a. Discuss with the help of recent statistics comrnercial and non - commercial energy reserves

and production in India. (10 Marks)

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b. Explain the advantages and limitations of the use of non - conventional sources of energy.(10 Marks)

?. Explain the following : i) Solar constant ii) Solar radiation data of India. (06 Marks)b. Sketch and explain the working of shading ring pyrheliometer. (08 Marks)c. Calculate the day length of location (latitude 220 00' W, 730 10' E) during the month of

March. (06 Marks)

3 a. Name the different types of:,:solar thermal power cycles and explain any one type, with aneat sketch | , (to Marks)

b. With the help of usual expressiorl explain the beam, diffirse and reflected solar radiation onthe tilted surfaces. (10 Marks)

a. Explain transmissivity based on reflection refiaction in relation to flat plate solar collectorcovers. (06 Marks)

b. Two glass covers each 3mm thick have refractive index of 1.526 and an extinctioncoefficient 'K' of 0.0161mm. Calculate the transmittance taking into account the absorptionand reflection both for normal incidence and an angle- of incidence of 750 and also find the

c. Write short notes o,n: i) Solar collector heat loss coefficientrftQF $i{ar collectorperformance. ,(+9 ,,Atru Marks),') c\r'

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Wing at 1 standard atmospheric pressure and 200C has velocity oit The total power density in the wind stream ii) Maximum powei y ur) Actual

power density, assuming \: 30% iv) Total power produced, if the turbine diameter

PART - BList the foui important applications of solar photovoltaic syWith a neat sketch, explain the horizontal axis wind machine.

is 120 m.

Explain the mechanism of wave motion.with the neat sketch, explain the working principle of oTEC (closed) plant.State the environmental problem associated with geothermal energy conversion.

List the factors affecting bio gas generation. Explain any four, in brief.what are the main applications of bio gas? Explain briefly the sourcesbiomass.

what are the different methods for hydrogen production? Explain in brief.Write short notes on : i) Safe utilization of hydrogen energytransportation.

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(08 Marks)

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(10 Marks)of production of

(10 Marks)

(10 Marks)ii) Hydrogen

(10 Marks)

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