CEA Renewable Energy Technologies

Question 1

What type of energy is harnessed by solar panels?

Accepted Answer

Solar energy

Answer

Solar panels, specifically photovoltaic (PV) panels, are designed to convert sunlight directly into electricity. They harness solar energy, which is the radiant light and heat from the sun. This process allows for the generation of clean electricity without consuming fossil fuels.

Question 2

Which renewable technology uses wind to generate electricity?

Accepted Answer

Wind turbines

Answer

Wind turbines are mechanical devices specifically engineered to capture the kinetic energy of wind. The wind causes the blades to rotate, which in turn drives a generator to produce electricity. This makes wind turbines the primary technology for converting wind into usable electrical power.

Question 3

What is geothermal energy derived from?

Accepted Answer

Earth’s internal heat

Answer

Geothermal energy originates from the heat stored within the Earth's core and mantle. This internal heat is continuously produced by the slow decay of radioactive isotopes in the Earth's rocks. It can be harnessed for electricity generation or direct heating and cooling applications.

Question 4

What does biomass energy use as a source?

Accepted Answer

Organic materials

Answer

Biomass energy is derived from organic matter, which includes plant and animal waste, agricultural residues, and dedicated energy crops. This material contains stored chemical energy from the sun, which can be converted into heat, electricity, or biofuels through various processes like combustion or anaerobic digestion.

Question 5

Which renewable energy source is considered intermittent?

Accepted Answer

Intermittent energy like solar

Answer

Intermittent renewable energy sources are those that are not continuously available and depend on natural phenomena that fluctuate. Solar energy, for example, is only available when the sun is shining, and its output varies with cloud cover and time of day. This variability makes it an intermittent source, requiring energy storage or backup systems.

(CEA) Certified Energy Analyst Practice Test

(CEA) Certified Energy Analyst Practice Test

CEA Renewable Energy Technologies