問題詳情
33.a如圖(十一)所示，一鋼桿受到單一軸向拉力 P 作用，此鋼桿由兩段長度相等但斷面不同的圓柱鋼桿組成。已知 AB 段的斷面積是 BC 段斷面積的兩倍，若將此兩段圓柱鋼桿長度各減半，在受到相同的單一軸向拉力作用下，則其軸向的總變形量與原先總變形量的比值是多少？ 
(A) 1
(B) 0.75
(C) 0.5
(D) 0.25
(A) 1
(B) 0.75
(C) 0.5
(D) 0.25
參考答案
答案：C
難度：適中0.608696
統計：A(1),B(2),C(14),D(5),E(0)
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