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

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

A) The total number of wind turbines in a specific area
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 weight distribution of a wind turbine

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

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

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

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

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

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