問題詳情

32. Thestroke-to-bore ratio of a low speed engine is 3:1. When the stroke is 900 mm, the diameter of bore is .
(A) 2,700 mm
(B) 300 mm
(C) 3,600 mm
(D) 225 mm

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(2),C(0),D(0),E(0)