Recent Lessons

Show all results for ""

Wind Turbines Unveiled

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Download our mobile app to listen on the go

Get App

Questions and Answers

True or false: Wind turbines rotate to face the wind with the help of a wind vane at the top.

True (A)

What is the purpose of the wind vane on top of a wind turbine?

To rotate the blades
To increase the turning speed of the low-speed shaft
To indicate the wind direction (correct)
To convert kinetic energy into electricity

What is the function of the wind vane on a wind turbine?

The wind vane indicates the wind direction and allows the turbine to rotate on the tower and face the wind.

True or false: Wind turbines can only produce energy when there is strong wind above 90 kilometers per hour.

False (B) Signup and view all the answers

What is the function of the gearbox in a wind turbine?

To increase the turning speed of the low-speed shaft (A) Signup and view all the answers

At what wind speed can a wind turbine start producing energy?

A wind turbine can start producing energy at wind speeds of about 11 kilometers per hour. Signup and view all the answers

At what wind speed do wind turbines start producing energy?

11 kilometers per hour (C) Signup and view all the answers

How is the kinetic energy from the wind converted into electricity in a wind turbine?

The kinetic energy from the wind is converted into electricity through a process that involves the low-speed shaft, gearbox, high-speed shaft, generator, transformer, and power grid. Signup and view all the answers

True or false: The generator in a wind turbine converts electrical energy into kinetic energy.

False (B) Signup and view all the answers

Flashcards are hidden until you start studying

Study Notes

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.