Renewable Energy Quiz

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Which of the following is the most significant challenge currently hindering the widespread adoption of geothermal energy?

The high upfront costs associated with drilling and construction. (correct)
The lack of suitable geographical locations with geothermal potential.
The emissions of greenhouse gases during geothermal energy production.
The low energy density compared to fossil fuels.

What is the primary environmental concern associated with hydropower, particularly large-scale projects?

The depletion of ozone in the upper atmosphere.
The production of significant greenhouse gas emissions.
The alteration of river ecosystems and impacts on aquatic life. (correct)
The risk of nuclear contamination.

Which of these renewable energy sources relies on a consistent and predictable heat source from within the Earth?

Geothermal power. (correct)
Wind power.
Concentrated solar power.
Ocean thermal energy conversion.

How does the use of renewable energy sources contribute to energy security for a nation?

By diversifying the energy mix and reducing dependence on imported fuels. (C) Signup and view all the answers

Which of the following best describes the function of an inverter in a solar power system?

To convert DC power from solar panels to AC power for use in homes and businesses. (A) Signup and view all the answers

What is a key advantage of using biomass as a renewable energy source compared to fossil fuels?

Biomass can be carbon neutral if managed sustainably, as the carbon released during combustion is offset by the carbon absorbed during plant growth. (A) Signup and view all the answers

What is the main operational difference between a solar thermal power plant and a traditional fossil fuel power plant?

Solar thermal plants use mirrors to concentrate sunlight to heat a fluid, produce steam, and drive a turbine, similar to how fossil fuel plants use heat from combustion. (B) Signup and view all the answers

How does tidal energy generation harness the power of the ocean?

By converting the kinetic energy of ocean currents into electricity using underwater turbines or barrages. (A) Signup and view all the answers

Why is energy storage considered crucial for the wider adoption of intermittent renewable energy sources like solar and wind?

To ensure a consistent and reliable energy supply, even when the sun isn't shining or the wind isn't blowing. (A) Signup and view all the answers

Which of the following factors would LEAST affect the overall efficiency of a wind turbine?

Turbine color. (A) Signup and view all the answers

Renewable Energy

Energy that comes from natural sources which are naturally replenished, such as sunlight, wind, rain, tides, and geothermal heat.

Solar Energy

Energy harnessed from the sun's rays.