CS/B.Tech (ICE)/SEM-8/EE-802G/2013
2013
NON CONVENTIONAL ENERGY SOURCES
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
( Multiple Choice Type Questions )
1. Choose the correct alternatives for any ten of the following :
10 x 1 = 10
i) The energy payback period of a single crystal silicon cell is
a) 6 months to 1 year b) 1 to 2 years
c) 10 to 20 years d) 3 to 5 years.
ii) Extra terrestrial insulation is
a) 1000 w/m2 b) 1353 w/m2
c) 100 w/m2 d) 1453 w/m2 .
iii) The efficiency of a commercial solar cell lies in the range
a) 0-10 % b) 10-20 %
c) 20-30 % d) 50-60 %.
iv) A two-blade wind turbine produces maximum power
when the tip-speed ratio is equal to
a) π b) 2 π
c) 3 π d) 0.593.
v) Ocean wave energy can be effectively stored as
a) Hydrogen energy b) Electrical energy
c) Thermal energy d) Mechanical energy.