LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
P.G. DEGREE EXAMINATION – COMMON PAPER
SUPPLEMENTARY EXAMINATION – JUNE 2008
PH 3925 - ENERGY PHYSICS
Date : 28-06-08
Time : 9:00 - 12:00
Dept. No.
Max. : 100 Marks
PART – A
Answer ALL questions.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
(10 x 2 = 20 Marks)
What are the conventional energy sources?
Write a note on hydro-power.
What is the nature of solar radiation?
What are solar cookers?
What are the conditions for photo-synthesis?
Describe the source for geothermal energy.
What would be the result of global warming?
Indicate the sectors where energy is consumed most.
What is nuclear fission?
Describe the process in a nuclear reactor.
PART – B
Answer any FOUR questions.
(4 x 7.5 = 30 Marks)
11.
12.
13.
14.
15.
Discuss the advantages of and obstacles to renewable energy.
Describe collector geometries of concentrating solar radiation collectors.
Explain the principle and working of wind energy converters.
Discuss the future of world energy situation.
Briefly enumerate the characteristics of various types of reactors.
.
PART – C
Answer any FOUR questions.
(4 x 12.5 = 50 Marks)
16.
17.
18.
19.
20.
a. Enumerate the prospects of renewable energy sources.
b. Discuss merits and problems with regard to coal mining, petroleum as well as
natural gas, and hydropower.
(5+7.5)
a. What is a solar pond?
b. Making use of solar pond describe, with a neat diagram, the process of
extraction of thermal energy.
(2.5 + 10)
Describe, with principle, how energy is obtained from tides in the sea. Enumerate
advantages and limitations with regard to energy from tides.
(8+4.5)
a. Explain the functioning of battery storage system.
b. Describe the electrolytic production of hydrogen. Indicate the
uses of hydrogen as fuel.
(4+8.5)
Discuss important features of materials used in a reactor.
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