問題詳情

34. The stroke-to-bore ratio of a low speed engine is 3：1. When the stroke is 900 mm, thediameter of bore is what？
(A) 2,700 mm
(B) 300 mm
(C) 3,600 mm
(D) 225 mm

參考答案

答案：B
難度：非常簡單1
統計：A(0),B(2),C(0),D(0),E(0)