
mechanics property of material 4

Quiz
•
Physics
•
University
•
Hard
林儒禮 林儒禮
Used 6+ times
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7 questions
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1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
在材料力學中,Hooke's law指的是
彈簧力與彈簧變形量成正比的關係
應力與應變成正比的關係
固體材料受力一定會產生變形的關係
以上皆是
2.
MULTIPLE SELECT QUESTION
5 sec • 1 pt
應力、應變成正比的關係中,應力的最大值稱之為
彈性限
比例限
極限應力
降伏限
3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
如圖所示,相同形狀以及尺寸的鋼桿與銅桿,受相同軸力P的作用下,和者內部的平均正交應力比較大?
鋼桿
銅桿
一樣大
無法判斷
4.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
楊氏係數E代表物體對正交應力的剛性,所以猜想一下,空氣的楊氏係數的值約為多少?
0
1
-1
無窮大
5.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
楊氏係數E代表物體對正交應力的剛性,所以猜想一下,靜力學中剛體(rigid body)的楊氏係數的值約為多少?
0
1
-1
無窮大
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
yielding指的是什麼現象?
桿件在某個位置,其截面積突然縮小的現象
物體的應力、應變成正比的現象
外力沒有增加,物體的變形卻持續增加的現象
材料開始產生頸縮的現象
7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
將材料由圖中的O點加載到A'點,然後卸載回到O'點,則(1)區與(2)去的變形分別是
(1)為彈性變形,(2)為塑性變形
(1)為彈性變形,(2)為永久變形
(1)為永久變形,(2)為塑性變形
(1)為永久變形,(2)為彈性變形
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