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ESET 222: Wind Power Fundamentals

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Questions and Answers

What is the main cause of winds according to the text?

Irregularities of the earth's surface

Flow patterns modified by the earth's terrain

Uneven heating of the atmosphere by the sun (correct)

Rotation of the earth

In what way are wind turbines useful?

Converting kinetic energy from the wind into electrical power (correct)

Modifying wind flow through the earth's terrain

Harvesting heat energy from the sun

Generating motion energy from wind flow patterns

What does the text suggest about wind energy?

It is limited to a few countries due to specific terrain requirements

It is dependent on the water bodies for its generation

It is not a significant source of new electricity

It is one of the fastest growing major sources of new electricity worldwide (correct)

How is a wind charger different from a wind turbine?

A wind charger generates electricity directly, while a wind turbine charges batteries Signup and view all the answers

What is stated about the relationship between sun and wind in the text?

As long as the sun shines, there will be wind Signup and view all the answers

How many wind turbines are currently operational around the world according to the text?

Exactly 486,790 Signup and view all the answers

What drives the huge convection currents in the Earth's atmosphere that cause wind?

Differences in atmospheric pressure Signup and view all the answers

Why is wind considered a good renewable and clean source of energy?

It is produced without emitting greenhouse gases Signup and view all the answers

What replaces the air over the land during the day?

Cooler air from the water Signup and view all the answers

How does wind energy help reduce dependence on fossil fuels?

By being a clean and renewable source of energy Signup and view all the answers

What is one major concern associated with wind power?

Intermittency and variability of the wind Signup and view all the answers

What causes high pressure cold air to quickly rush and fill the space in a tropical depression?

Warm air over hot tropical waters rise Signup and view all the answers

What factor may cause winds to be even stronger in certain areas?

Differences in atmospheric pressure Signup and view all the answers

Why does wind power have intermittency and variability?

Because it relies on natural wind patterns Signup and view all the answers

What is the cost of installing a 10 kW wind turbine?

$48,000 - $65,000 Signup and view all the answers

What drives huge convection currents in Earth's atmosphere causing wind?

Heat energy from the Sun Signup and view all the answers