CS/B.Tech(TT/APM)/SEM-8/TT-801/2012
2012
ENERGY SCIENCE
Time Allotted : 3 Hours Full Marks : 70
The figures in the margin indicate full marks.
Candidates are required to give their answers in their own words
as far as practicable.
GROUP – A
( Objective Type Questions )
1. Answer the following in short : 10X1 = 10
a) Mention two advantages of non-conventional energy.
b) Define the term "Clean coal technology".
c) What do you know about "Surface mining" of coal ?
d) What is 'Geothermal energy' ?
e) What is "Power factor" ?
f) How does "Solar collector" work ?
g) Mention two disadvantages of Nuclear energy.
h) What do you know about "Tidal barrage" ?
i) Mention two natural and two industrial Greenhouse
gases.
j) What is energy efficient motor ?
GROUP – B
( Short Answer Type Questions )
Answer any three of the following. 3X5 = 15
2. Define wave energy. How is tidal energy utilized into
electrical energy ? What are the methods used ?
3. What is PV cell ? How does it work ? Discuss in short about
the use of PV cell.