Wind Turbines: Innovations and Applications

What percentage of global electricity production was contributed by wind turbines in 2022?

• 10%

• 7%

• 12%

• 5%

Who is credited with the first documented windmill-powered machine?

• Isaac Newton

• Leonardo da Vinci

• Galileo Galilei

• Hero of Alexandria

What is a key advantage of horizontal wind turbines over vertical ones?

• Lower cost

• Higher efficiency

• Easier maintenance

• Less noise

Which type of wind turbine is better suited for urban environments due to its ability to capture wind from all directions?

• Omnidirectional

• Vertical

• Horizontal

• Bladeless

What is a significant challenge for small wind turbine projects compared to larger ones?

• More space required

• Higher noise levels

• Higher cost per kilowatt

• Less efficient

What is a potential benefit of vertical wind turbines in terms of wildlife?

• They are quieter

• They are cheaper

• They are more efficient

• They are more visible

What is the main feature of omnidirectional turbines?

• They are the cheapest

• They work with wind from all directions

• They are the largest

• They are silent

What is a unique feature of bladeless wind turbines?

• They are the tallest

• They vibrate to generate power

• They use blades

• They are the most expensive

What is the projected annual growth rate for the small-scale wind power sector?

• 7%

• 11%

• 5%

• 9%

Which renewable energy source is small-scale wind power particularly effective when combined with?

• Solar

• Hydropower

• Biomass

• Geothermal