23-08-2012, 03:35 PM
NCER Questions for Pre-university test (PUT):
NCER Questions for PUT.pdf (Size: 125.97 KB / Downloads: 36)
1- Attempt any four of the following:
(a) Introduce the concept of non-conventional energy resources available in our country?
(b) What are the practical difficulties in exploiting non- conventional energy resources?
© Discuss the merits and demerits of non-conventional energy resources over the conventional energy resources.
(d) What are the limitations of solar cells?
(e) Discuss solar cell mechanism with respect to semi conductor physics.
(f) What are the materials and their voltages for making solar cells?
2- Attempt any four of the following:
(a) Discuss how a solar flat plate collector works?
(b) Discuss the performance of solar flat plate collectors.
© Discuss the various materials used for solar flat plate collectors.
(d) Discuss the availability of geo-thermal energy.
(e) How solar heating is accomplished, explain by a neat sketch?
(f) How focusing is accomplished in paraboloid dish collectors?
3- Attempt any TWO of the following:
(a) Discuss the principle and working of MHD power plant.
(b) What are the various types of fuel cells available?
© Discuss the performance and limitations of various fuel cells available.
4- Attempt any TWO of the following:
(a) Explain the theory of momentum with respect to wind power.
(b) Discuss the wind characteristics, performance and limitations of energy conversion systems.
© Discuss how the bio-mass is converted into electrical energy?
5- Attempt any TWO of the following:
(a) Discuss the theory and working principle of ocean thermal energy conversion systems.
(b) Discuss the principle and working of wave and tidal wave energy conversion system.
© Discuss the performance and limitations of wave and tidal wave energy conversion plants.