Download SGBAU B-Tech 6th Sem Chemical Engineering Renewable Energy Sources Question Paper

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10167 : Elective-II : Renewable Energy Sources

Pages : 2

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Time : Three Hours Max. Marks : 80

Notes:

1. Answer three questions from Section A and three questions from Section B.
2. Diagrams and chemical equations should be given wherever necessary.
3. Illustrate your answer with the help of neat sketches.

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4. Discuss the reaction, mechanism wherever necessary.
5. Use of pen Blue/Black ink/refill only for writing the answer book.

SECTION - A

1. Explain in detail, with neat sketch, principle of photo voltaic conversion of solar energy. 14
   OR

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2. Differentiate between flat & focusing collectors. What do you understand by solar distillation? Explain with neat sketch. 14
3. a) Describe various safety & environmental aspects of wind power generation system. 7
   b) Differentiate between horizontal axis wind turbine & vertical axis wind turbine. 6
   OR
4. a) What do you understand by wind energy? How do wind form? 7
   

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   b) Define: 6
   1. Betz Law
   2. Wind Shear
   3. Drag force
5. What is biogas? Explain principle, construction and working of biogas plant. Also explain various factors affecting the production of biogas. 13
   

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   OR
6. a) What do you understand by biomass gasification? How are gasifier classified? 7
   b) What are advantages & disadvantages of biomass energy? 6

SECTION - B

1. a) Explain the electrochemical principle of fuel cell. 7
   

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   b) Explain applications of Hydrogen as fuel source. 6
   OR
2. a) Explain advantages & disadvantages of Hydrogen energy. 7
   b) Explain principle & working of Hydrogen-oxygen fuel cell with neat sketch. 6
3. a) Explain the principle of ocean thermal energy conversion with neat sketch. 7
   

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   b) Explain the advantages & disadvantages of tidal energy. 6
   OR
4. a) What do you understand by geothermal energy? Enlist different geothermal sources. 7
   b) What is hydro power? How is site selected for it's installation? 6
5. Explain the economical aspect and current status of renewable energy sources. 14
   

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   OR
6. What are the pollutants produced during conventional energy conversion? What are remedial actions? 14

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