Solar Energy Quiz

What is the main component of solar radiation that reaches the Earth's surface?

• X-rays

• Gamma rays

• Infrared radiation

• Microwaves

What term describes the amount of solar energy received per unit area?

• Solar insolation

• Solar irradiance

• Solar deflection

• Solar refraction

Which instrument is primarily used to measure solar radiation?

• Thermometer

• Pyranometer

• Hygrometer

• Anemometer

What does a pyrheliometer specifically measure?

• Diffuse solar radiation

• Direct beam solar radiation

• Temperature

• Relative humidity

Which working fluid is commonly used in solar thermal power plants?

• Water

• Mercury

• Carbon dioxide

• Air

What is the primary function of mirrors in a solar thermal power plant?

• To generate electricity directly

• To concentrate sunlight

• To store thermal energy

• To cool down the power plant

In a central receiver system, what is the function of the receiver?

• To track the position of the sun

• To capture and convert concentrated sunlight into heat

• To generate electricity directly

• To pump the working fluid

What is the main advantage of a central receiver power plant over other solar power technologies?

• It uses less water

• It has a lower initial cost

• It achieves higher efficiency due to concentrated sunlight

• It requires minimal maintenance

What type of energy storage is provided by Phase Change Materials (PCM) in solar applications?

• Chemical energy storage

• Kinetic energy storage

• Thermal energy storage

• Gravitational energy storage

Which layer in a solar pond stores the most heat?

• Surface layer

• Insulating layer

• Storage layer

• Bottom layer