A) A type of bird species that can fly long distances
B) A type of musical instrument played by wind
C) A device that converts wind energy into mechanical power
D) A device used to measure wind speed

A) China
B) Germany
C) Denmark
D) United States

A) The weight distribution of a wind turbine
B) The ratio of actual energy output to the maximum possible output over a period of time
C) The speed at which wind travels through a turbine
D) The total number of wind turbines in a specific area

A) VAWT
B) TAWT
C) AHWT
D) HAWT

A) Wind disturbance
B) Sun glare
C) Shadow flicker
D) Noise pollution

A) California
B) Oklahoma
C) Iowa
D) Texas

A) To control wind direction
B) To speed up the rotation of wind turbines
C) To predict electricity generation from wind farms
D) To limit the number of installed wind turbines

A) Hydropower
B) Biomass energy
C) Geothermal energy
D) Solar power

A) To adjust the pitch of the rotor blades
B) To reduce noise emitted by the turbine
C) To increase the rotational speed of the generator
D) To store excess energy