21.
How many different components does it take to build a utility-scale wind turbine?
A
More than 800
B
More than 80
C
More than 8,000
D
More than 80,000
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How many different components does it take to build a utility-scale wind turbine?
More than 800
More than 80
More than 8,000
More than 80,000
How many blades does a modern wind turbine have?
2
3
4
5
Global winds towards westernly direction are known as
Trade winds
Western winds
Eastern winds
None of the above
Global Cold wind move from
Polar to equatorial region
Equatorial to polar region
Equatorial to oceanic region
Oceanic to Equatorial region
Global Cold wind generated from Oceans moves to
Mountains
Equator
Plain areas
Poles
By how much has the price of American wind power decreased since the 1980s?
60 percent
90 percent
80 percent
70 percent
At gradient height the shear force is
Zero
Minimum
Maximum
None of the above
Air layer from 100m that extends up to the gradient height is known as
Surface layer
Ekman layer
Boundary layer
None of the above
Which force is responsible for forcing the global winds towards westernly direction
Coriolis
Gravitational
Centripetal
Centrifugal