How Do Turbines Work

Where can viewers send their feedback now that commenting is disabled?

• Through a phone call

• Directly on the video

• Instagram and Facebook pages

• None of the above

What was the primary reason for the shift towards renewable energy sources?

• Improved efficiency of renewable technologies

• Excessive use of non-renewable resources

• Lower costs of technology

• None of the above

Who built the first wind turbine that powered a house?

• Professor James Blyth

• Benjamin Franklin

• Nikola Tesla

• Thomas Edison

What does the gearbox in a wind turbine do?

• Converts kinetic energy to electrical energy

• Slows down the blades

• Increases the speed of the shaft

• Decreases the output voltage

How tall is the largest wind turbine located in the U.S.?

• 30 stories tall

• 20 stories tall

• 10 stories tall

• 40 stories tall