Download PTU B.Tech 2021 Jan EE 7th Sem 71932 Non Conventional Energy Sources Question Paper

Download PTU (Punjab Technical University) B.Tech (Bachelor of Technology) / BE (Bachelor of Engineering) 2021 January EE 7th Sem 71932 Non Conventional Energy Sources Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (Electrical & Electronics) (2012 Batch) (Sem.?7)
NON-CONVENTIONAL ENERGY SOURCES
Subject Code : BTEE-803
M.Code : 71932
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
1.
List the applications of solar energy.
2.
Explain the term conversion effectiveness.
3.
Discuss in brief the economic aspects of thermoelectric generators.
4.
Discuss the principle of operation of geothermal system.
5.
Why thermocouples are connected in series? Explain.
6.
What is Photovoltaic effect? Discuss.
7.
What do you mean by regenerative fuel cell? Discuss.
8.
Explain the term active polarization w.r.t. fuel cells.
9.
What do you mean by Peltier effect? Explain.
10. Write down the advantages and limitations of wind power energy.
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SECTION-B
11. Discuss the limitations of conventional energy. Explain the need of alternate energy
sources.
12. With the following specifications for MHD generator, calculate :
a) Open circuit voltage
b) Maximum power output.
Plant area = 0.1m2; Distance between plates = 0.5m; Flux density = 3Wb/m2; Average gas
velocity = 103m/s; Gaseous conductivity = 10 mho/m.
13. Discuss the principle of operation of a fuel cell with reference to H2?O2 cell.
14. List the advantages of solar energy. Discuss in detail the scenario of solar energy in India.
15. What do you mean by tidal energy? Discuss the various aspects of tidal energy.
SECTION-C
16. Explain the Seeback and Thomson effects. Also describe the thermoelectric power
generator.
17. Discuss :
a) Advantages, disadvantages and applications of fuel cells.
b) Various aspects of Practical MHD generator.
18. Explain the following :
a) Basic scheme and applications of direct energy conservation.
b) Biomass energy system.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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