Solar thermal power plant (MCQ) Objective Questions and answers

1. Which of the following processes take place in solar distillation

a) evaporation

b) condensation

c) both (a) and (b)

d) solidification

Answer: both (a) and (b)

2. Un-glazed solar collectors are designed primarily for

a) space heating

b) crop drying

c) pre-heat make up ventilation air

d) all of the above

Answer: pre-heat make up ventilation air

3. 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

Answer: Solar Energy thermal energy

4. 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

Answer: 0.2 to 0.4 microns

SR ROBOTICS Single Axis Solar Tracking System Handmade Working Project

5. 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

Answer: Electromagnetic radiation directly into electricity.

6. For satellite the source of energy is ______

a) Cryogenic storage

b) Battery

c) Solar cell

d) Any of the above 

Answer: Solar cell

7. Solar thermal power generation can be achieved by

a) using focusing collector or heliostates

b) using flat plate collectors

c) using a solar pond

d) any of the above system

Answer: any of the above system

8. Reflecting mirrors used for exploiting solar energy are called ______

a) Mantle

b) Ponds

c) Diffusers

d) Heliostats

Answer: Heliostats

9. The output of solar cell is of the order of ______

a) 1 W

b) 5 W

c) 10 W

d) 20 W

Answer: 1 W

10. Most widely used solar material is ______

a) Arsenic

b) Cadmium

c) Silicon

d) Steel

Answer: Silicon

11. Largest geothermal plant in operation is in ______

a) Maxico

b) Italy

c) Russia

d) California

Answer: Italy

12. Flat plate collector absorbs ______

a) Direct radiation only

b) Diffuse radiation only

c) Direct and diffuse both

d) All of the above

Answer: Direct and diffuse both

13. A pyranometer is used for mesurement of______

a) Direct radiation only

b) Diffuse radiation only

c) Direct as well as diffuse radiation

d) All of the above

Answer: Direct as well as diffuse radiation

14. Bulb turbines are ______ turbines

a) Low head

b) High head

c) High speed

d) High pressure

Answer: Low head

15. 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

Answer: Order of about 900C

16. The voltage of a single solar cell is ______

a) 0.2 v

b) 0.5 v

c) 1.0 v

d) 2.0 v

Answer: 0.5 v

17. Solar cells,for power generation,entail the following major disadvantages ______

a) Variable power

b) High cost

c) Lack of availability

d) Large area requirement

Answer: High cost

18. Thermionic converterutilizes ______

a) Thermionic emission effect

b) Peltier effect

c) Seebeck effect

d) None of the above

Answer: Thermionic emission effect

19. Solar process heating systems are designed to provide large quantities of ____ for ____ buildings.

a) hot water, residential

b) space heating, nonresidential

c) hot water or space heating, residential

d) hot water or space heating, nonresidential

Answer: hot water or space heating, residential

20. Solar thermal energy can be useful for drying

a) crops

b) wood for construction

c) food products

d) all of the above

Answer: all of the above