1.

What is a vertical wind turbine?

A. Wind turbines are rotate about an axis perpendicular to the plane of wind streamlines
B. Wind turbines are rotate about an axis diagonal to the plane of ground
C. Wind turbines are rotate about an axis 30 degrees to the plane of ground
D. Wind turbines are rotate about an axis parallel to the plane of ground
Answer» B. Wind turbines are rotate about an axis diagonal to the plane of ground


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