What is the shape of the piston in the Wankel engine?
circular
rectangular
triangular
oval
In this engine the pistol has a triangular shape (Reuleaux triangle with a slightly convex edges).
reach: rather globalcarsenginestechnology
Answers by country
circular
rectangular
triangular
oval
answers
Vatican City13
Republic of Ireland17
Switzerland23
Australia18
the Netherlands11
Poland5899
Austria39
Germany213
Greece11
the United States120
Canada18
the United Kingdom83
France10
India70