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Anemometer
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 1) The power that can be extracted from an airstream is proportional to: the square of the wind speed the square root of the wind speed the cube of the wind speed the wind speed

 2) If the wind Energy Density Density of an airstream is 650 Watts/meter2 and the air density is 1 kg/m3, then what is the wind velocity? 10.0 m/s 31.7 m/s 36.0 m/s 10.9 m/s

 3) If the wind speed is 12 m/s and the air density is 1.2929 kg/m3, what is the wind energy density? 93.1 W/m2 7.76 W/m2 72.0 W/m2 186.2 W/m2

 4) The Betz limit, the theoretical limit to the maximum amount of power that can be extracted from an airstream is: 59% 69% 64% 49%

 5) A place where many wind turbines are installed together to produce electricity is called a wind turbine station wind farm propeller collection wind station

 6) An anemometer is an instrument used for measurement of Temperature gradient Wind speed Depth in ocean Solar radiation

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