To maintain a wind energy farm, the wind speed should be:
A. 1-2 km/h
B. 180-200 km/h
C. 15-20 km/h
D. Can’t be calculated
Answer:C
To maintain a wind energy farm, the wind speed should be:
A. 1-2 km/h B. 180-200 km/h C. 15-20 km/h D. Can’t be calculated