Physics · Wind Energy Systems
With reference to wind turbines, which of the following statements are correct? I. In a propeller-type turbine, the number of blades is typically two to three. II. The Darrieus type of turbine is an example of vertical axis wind turbines. III. Propeller type turbines are rarely used in commercial power generation. IV. A multi-blade type turbine is an example of horizontal axis wind turbines.
- 1II, III and IV
- 2I, III and IV
- 3I, II and IV✓
- 4I, II and III
Correct answer
I, II and IV
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