Wednesday, December 19, 2012

Solar Power Objective Quiz Questions Answers

1. The solar or photo voltaic cell converts:
a) Chemical energy to electrical energy
b) Solar radiation into electrical energy
c) Solar radiation into thermal energy
d) Thermal energy into electrical energy


2. Solar cells are made of:
a) Aluminium
b) Germanium
c) Silicon
d) Cadmium


3. A module is a:
a) Series-arrangement of solar cells
b) Parallel arrangement of solar cells
c) Series-parallel arrangement of solar cells
d) None of the above


4. The efficiency of solar cells is about:
a) 25%
b) 15%
c) 40%
d) 60%


5. The voltage of solar cells is:
a) 0.5 to 1 V
b) 1 to 2 V
c) 2 to 3 V
d) 4 to 5 V


6. The output of solar cells is of the order of:
a) 0.5 watts
b) 1.0 watts
c) 5.0 watts
d) 10 watts


7. Sun tracking system is required in the case of:
a) Cylindrical and parabolic and paraboloid
b) Flat plate collector
c) Both (a) and (b)
d) None of the above


8. Which of the following area is preferred for solar power plants:
a) Coastal areas
b) Hot arid zones
c) Mountain tops
d) High rainfall zones


9. Most of the solar radiation received on the earth surface is within the range of:
a) 0.25 to 0.4 micron
b) 0.4 to 0.8 microns
c) 0.6 to 0.95 microns
d) 0.1 to 0.25 microns  a


10. The energy radiated by the sun in bright sunny day is about:
a) 2.5 kW/m2
b) 1.0 kW/m2
c) 500 W/m2
d) 200 W/m2