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Hydraulic Cycle and Hydraulic Plant

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Questions and Answers

What is the theoretical limit for efficiency in extracting power from the wind?

59%

How does a windmill with a severe interruption of airflow affect wind velocity?

It reduces the effective wind velocity.

What is the range of efficiency for modern windmills in terms of extracting power from the wind?

From 16% to 46%

What are some of the impacts associated with wind power?

Land Use, Noise, Visual impact, Bird/Bat disruption Signup and view all the answers

How does a windmill that intercepts an exceedingly small fraction of the wind affect wind velocity?

It reduces the wind velocity by only a small amount. Signup and view all the answers

What is the primary source of energy that drives the hydraulic cycle?

Sun's electromagnetic radiation Signup and view all the answers

How does a hydraulic plant convert the potential energy of water into electricity?

By using the water to turn a turbine connected to a generator Signup and view all the answers

What is the difference between run-of-river and dam-style hydroelectric plants in terms of environmental impact?

Run-of-river style has less environmental impact compared to dams Signup and view all the answers

Why are hydroelectric stations often built at sharp inclines or waterfalls?

To take advantage of the speed gained by the water due to gravity Signup and view all the answers

What environmental impacts are associated with the operation of large dams?

Danger to downstream communities in case of a breach, disruption of aquatic life, and loss of free-flowing rivers Signup and view all the answers

How does the construction of hydroelectric plants contribute to CO2 emissions?

CO2 is produced during concrete production and transportation Signup and view all the answers