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

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

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

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

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

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

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

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

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