北京理工大学
绪论单元测试
- Excess deformation is （ ）
- The correct statement of fatigue includes （ ）
- The contribution of August Wöhler is as follows （ ）
- Failure due to fatigue, i.e. repeated loading, is the most common cause of mechanical failure. （ ）
- Proper fatigue design includes synthesis, analysis and testing. （ ）
A:Little plasticity B:Stress corrosion cracking C:The most common failure mode D:High energy absorption
答案:The most common failure mode
A:Crack nucleation/growth B:Loading, uni/multi-axial loading C:Constant or variable amplitude D:Repeated loading
答案:Crack nucleation/growth###Loading, uni/multi-axial loading###Constant or variable amplitude###Repeated loading
A:Fatigue limit B:Corrosion fatigue C:S-N Curve D:Multiple fatigue
答案:Fatigue limit###S-N Curve
A:对 B:错
答案:对
A:错 B:对
答案:对
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