问答题

低碳钢材料在轴向拉伸实验过程中，不发生明显的塑性变形时，承受的最大应力应当小于（）。

答案： A.比例极限
B.屈服极限
C.强度极限
D.许用应力
正确答案：屈服极限

你可能感兴趣的试题

单项选择题

An organisation has the following total costs at two activity levels:
Activity level (units) 17,000 22,000
Total costs (5,000 in the total fixed costs when activity exceeds 18,000 units.
What is the total cost at an activity level of 20,000 units?

A．$160,000
B．$158,000
C．$155,000
D．$163,000

Taking a 12-month vacation is the best way to reduce your stress.

答案：错误