問題詳情

47. There is a laminar flow in a tube. When both the radius and length of the tube are doubled, how many times of flow resistanceis changed?
(A) 5c99ca8bd8fd4.jpg
(B) 5c99ca9a2d06f.jpg
(C) 5c99caa93db51.jpg
(D) 5c99cab893d50.jpg
(E) 5c99cacc89c3f.jpg

參考答案

答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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