Seat No.:
Subject Code: 2170505
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
Subject Name: Energy Technology
Time: 10:30 AM TO 12:30 PM
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Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q.1
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- State various properties of Hydrogen. (03)
- Explain the terms: Nuclear Fission and fusion. (04)
- What is biomass? Classify biogas plants and explain any one in brief. (07)
Q.2
- Explain Proximate analysis of fuel in brief. (03)
- What are criteria for site selection of wind mill? (04)
- Enlist different geothermal energy resources and explain the heat extraction from hot dry rocks. (07)
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Q.3
- Write advantages of closed cycle OTEC system over open cycle OTEC system. (03)
- Describe washability curve in brief. (04)
- What is Fuel Cell? Describe in detail about ion exchange membrane cell with neat diagram. (07)
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Q.4
- Write a short note on anthracite coal. (03)
- Explain the term coking and caking of coal in brief. (04)
- List out various fuel cell. Explain in detail about hydrogen-oxygen fuel cell with neat diagram. (07)
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Q.5
- Write short note on components of nuclear reactor with neat figure. (03)
- Define primary energy sources and secondary fuels. List out various conventional and non conventional energy sources respectively. (04)
- Explain in detail about the magnetic field and super conductivity for Magneto Hydro-Dynamic (MHD) power generation. (07)
Q.6
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- List out basic components of wind energy conversion systems (WECS). State various applications of wind energy. (03)
- Discuss in brief: Composition of coal (04)
- Describe MHD open cycle system. What are the benefits of MHD power generation? (07)
Q.7
- Explain the terms: Energy management, Energy audit and conservation. (03)
- Explain in brief about components of tidal power plant. (04)
- Define solar collector. Explain liquid heating flat-plate collectors in detail. (07)
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Q.8
- Differentiate dry and wet washing methods of coal. (03)
- Explain in brief any one of the fossil fuel methods of hydrogen production. (04)
- Explain in detail about Solar pond. (07)
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Date: 30/01/2021
Total Marks: 56
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