POWER PLANT ENGG MCQ PART 7

Solar power plant
 
1. The function of a solar collector is to convert.......
   A.Solar Energy into Electricity
   B.Solar Energy radiation
   C.Solar Energy thermal energy
   D.Solar Energy mechanical energy
C.Solar Energy thermal energy

2. Most of the solar radiation received on earth surface lies within the range of........
   A.0.2 to 0.4 microns
   B.0.38 to 0.78 microns
   C.0 to 0.38 microns
   D.0.5 to 0.8 microns
A.0.2 to 0.4 microns
 
3. For satellite the source of energy is........
   A.Cryogenic storage
   B.Battery
   C.Solar cell
   D.Any of the above
C.Solar cell
 
4. Reflecting mirrors used for exploiting solar energy are called........
   A.Mantle
   B.Ponds
   C.Diffusers
   D.Heliostats
D.Heliostats
 
5. The output of solar cell is of the order of........
   A.1 W
   B.5 W
   C.10 W
   D.20 W 
A.1 W
 
6. Flat plate collector absorbs.......
   A.Direct radiation only
   B.Diffuse radiation only
   C.Direct and diffuse both
   D.All of the above
C.Direct and diffuse both
 
7. A pyranometer is used for measurement of........
   A.Direct radiation only
   B.Diffuse radiation only
   C.Direct as well as diffuse radiation
   D.All of the above 
C.Direct as well as diffuse radiation

8. Most widely used solar material is........
   A.Arsenic
   B.Cadmium
   C.Silicon
   D.Steel 
C.Silicon
 
9. Photovoltaic cell or solar cell converts........
   A.Thermal energy into electricity
   B.Electromagnetic radiation directly into electricity
   C.Solar radiation into thermal energy
   D.Solar radiation into kinetic energy 
B.Electromagnetic radiation directly into electricity
 
10. Temperature attained by a flat-plate collector is of the........
   A.Order of about 90⁰C
   B.Range of 100⁰C to 150⁰C
   C.Above 150⁰C
   D.None of the above 
A.Order of about 90⁰C
 
11. The voltage of a single solar cell is.......
   A.0.2 v
   B.0.5 v
   C.1.0 v
   D.2.0 v 
C.0.5 v
 
12. Solar cells,for power generation, entail the following major disadvantages........
   A.Variable power
   B.High cost
   C.Lack of availability
   D.Large area requirement
B.High cost
 
13. Thermionic converter utilizes........
   A.Thermionic emission effect
   B. Peltier effect
   C.Seebeck effect
   D.None of the above
A.Thermionic emission effect
 
14. Largest geothermal plant in operation is in........
   A.Maxico
   B.Italy
   C.Russia
   D.California 
B.Italy

15. Bulb turbines are........turbines
   A.Low head
   B.High head
   C.High speed
   D.High pressure

A.Low head