单项选择题
应力单元体如图所示,则其三个主应力和最大切应力分别为( )
- A．
B．
C．
D．
点击查看答案
相关考题
- 单项选择题 The chemical shifts of the marked hydrogen nuclei in the following compounds should be： A、a :1.5~2.0 ppm, b amd c : 1.8~3.0 ppm, d : 9.0~10.0 ppm; B、a :1.5~2.0 ppm, b amd c : 5.5~7.5 ppm, d : 10.0~15.0 ppm; C、a :0~1 ppm, b amd c : 5.5~7.5 ppm, d : 9.0~10.0 ppm; D、a :1.5~2.0 ppm, b amd c : 5.5~7.5 ppm, d : 9.0~10.0 ppm.
- 多项选择题 国家普及初等义务教育，是指： A、政府普及小学、初中教育且免费 B、政府普及小学、初中和高中教育且免费 C、政府应当监督家长送小孩上小学、初中和高中 D、政府应当监督家长送小孩上小学、初中
- 单项选择题 一方当事人违反合同的结果，如使另一方当事人蒙受损害，致使实际上剥夺了他根据合同规定有权期待得到的东西，即为( )。A.预期违约B.根本违约C.情势变迁D.履行落实
- 问答题 过滤的概念
- 判断题 多焦图形翻转视网膜电图是一种客观中心视力检查手段。
- 问答题 CPU主要功能是负责执行系统指令，包括 、 、 、 等操作指令。
- 单项选择题 三相绕线式异步电动机随着转子所串电阻的增大，Tst增大。 A、正确 B、错误
- 单项选择题 执行以下程序后，a和b的值分别为： a=3 b=5 b,a=a,b A、5 3 B、3 5 C、3 3 D、5 5
- 单项选择题 21.5 Liquidated damages This clause aims to avoid under compensation by stating the amount of money which shall be payable in the of a breach of contract. Such a clause enables those involved to know in advance the extent of their potential liability and to plan _ . In practice, though, the courts have a jurisdiction to control the contents of such clauses. The rules which the courts have established are the following. If the clause represents a genuine pre-estimate of the loss which is likely to be (19) because of the breach, then it is a ‘liquidated damages clause’ and is enforceable. The sum in the clause is the sum recoverable, even though that sum may be greater or smaller than the actual loss. But if the sum stated in the clause is not a genuine pre-estimate of loss, it is a ‘penalty clause’ and is unenforceable. A、supported B、suspended C、surrendered D、 suffered
- 问答题 手动托盘车操作步骤
