GTU Alternate Energy Sources - June 2014 Exam Question Paper

GTU Mechanical Engineering (Semester 6)
Alternate Energy Sources
June 2014

Total marks: --
Total time: --

INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary

1 (a) What do you mean by primary and secondary energy sources? What are the prospects of non-conventional energy sources in India?

7 M

1 (b) Explain following terms: - Energy conservation, Energy management, energy audit, energy efficiency, energy security.

7 M

2 (a) How are the concentrating collectors classified? With neat sketch explain construction and working of any one.

7 M

Answer any two question from Q2 (b) or Q2 (c)

2 (b) Write brief note on Performance Characteristic of Wind machine.

7 M

2 (c) Define the following terms: solar constant, air mass, solar declination, zenith angle, day length, local solar time, solar altitude angle.

7 M

Answer any two question from Q3 (a), (b) or Q3 (c), (d)

3 (a) Explain in detail site selection criteria for biogas plant and list digester design consideration.

7 M

3 (b) List advantages and disadvantages of Geothermal energy as compared to Wind and Solar energy.

7 M

3 (c) How are biomass gasifiers classified? With a neat sketch explain any one.

7 M

3 (d) List application and prospects of geothermal energy with reference to Indian context.

7 M

Answer any two question from Q4 (a), (b) or Q4 (c), (d)

4 (a) Derive an expression of energy and power in simple single basin tidal power plant.

7 M

4 (b) Describe the closed cycle O.T.E.C. system with its advantages over open cycle system.

7 M

4 (c) Explain the following wave energy conversion devices with neat sketches: Float wave energy conversion device, dolphin type wave generator.

7 M

4 (d) Explain how a selection criterion of heat exchangers is done in O.T.E.C. system.

7 M

Answer any two question from Q5 (a), (b) or Q5 (c), (d)

5 (a) Write brief note on M.H.D. design problems and developments.

7 M

5 (b) Draw neat labelled sketch only of the following:
(i) K.V.I.C. digester (ii) Sunshine recorder (iii) Pyranometer.

7 M

5 (c) Explain following terms pertaining to MHD system:
(i) Seeding (ii) Super conductivity (iii) Gas conductivity

7 M

5 (d) Draw neat labelled sketch only of the following:
(i) Solar still (ii) Solar cooker (iii) Solar dryer.

7 M

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