Term
By the year 2020, wind energy has the potential to provide how much of the world’s total electricity demand? |
|
Definition
|
|
Term
The typical size of a wind turbine at the beginning of the 21st century was: |
|
Definition
|
|
Term
The largest wind turbine in the world is |
|
Definition
|
|
Term
Global winds are formed because of: |
|
Definition
Uneven heating of air masses by the sun |
|
|
Term
Local winds, sea breezes form because of: |
|
Definition
Difference in heat capacities between land and water |
|
|
Term
The energy of wind is proportional to |
|
Definition
Third power of wind velocity |
|
|
Term
The maximum theoretical efficiency of a wind turbine is defined by: |
|
Definition
|
|
Term
Energy from a wind turbine is dependent on |
|
Definition
|
|
Term
Wind turbines are producing (type of electricity) |
|
Definition
|
|
Term
At 150 m from a typical wind turbine, the noise is roughly: |
|
Definition
|
|