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

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

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

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

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

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

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

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

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