Wind Energy on Energy Engineering related Questions and Answers

Question :   Which type of wind mills blade are made out of cloth? 1. In which of the following, does machine rotor drives through a step up gear box? 1. Horizontal axis with two aerodynamic blades 2. Horizontal axis propeller type wind mill 3. Horizontal axis multi bladed type wind mill 4. Sail type wind mill Answer :   4 - Sail type wind mill