2020 Structural Mechanics I(Dalian University of Technology) 最新满分章节测试答案

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Week 2 Unit testing of chapter 2
Week 4 Unit testing of chapter 4
Week 6 Unit testing of chapter 6
Week 7 Unit testing of chapter 7
Week 8 Unit testing of chapter 8-1
Week 9 Unit testing of chapter 8-2
Week 12 Unit testing of chapter 9
Week 14 Unit testing of chapter 10

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-12-09到2021-06-30
本篇答案更新状态:已完结

Week 2 Unit testing of chapter 2

1、问题:The system removed any one of its support link is a geometrically stable system with no redundant constraints.
选项：
A:
B:
C:
D:
答案: 【】

2、问题:The number of redundant constraints in the system is （）
选项：
A:1
B:2
C:3
D:4
答案: 【4】

3、问题:The geometric construction of the system as the figure shown is （）
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system without redundant constraints】

4、问题:The geometric construction of the system as the figure shown is （）
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system without redundant constraints】

5、问题:The hinge A can move in vertical direction in the system as the figure shown, which means that the length of member AB and AC can change but keeping in equal. The position of other joints can’t be changed. If the structure is a stable system, which of the following is correct.
选项：
A:h≠2m
B:h≠4m
C:h≠4m or h≠∞
D:h≠2m or h≠∞
答案: 【h≠2m or h≠∞】

6、问题:The geometric construction of the system as the figure shown is （）
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system with redundant constraints】

7、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically instantaneously unstable system】

8、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Constantly changeable system】

9、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system without redundant constraints】

10、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system without redundant constraints】

11、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system without redundant constraints】

12、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system without redundant constraints】

13、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system without redundant constraints】

14、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Constantly changeable system】

15、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically instantaneously unstable system】

16、问题:The geometric construction of the system as the figure shown is ()
选项：
A:a stable system with no redundant constraints
B:. a stable system with redundant constraints
C:an unstable system which can deform randomly
D:an instantaneously unstable system
答案: 【an unstable system which can deform randomly】

17、问题:The geometric construction of the system as the figure shown is ()
选项：
A:Geometrically stable system without redundant constraints
B:Geometrically stable system with redundant constraints
C:Constantly changeable system
D:Geometrically instantaneously unstable system
答案: 【Geometrically stable system with redundant constraints】

18、问题:If the computing degrees of freedom W of a planar system is greater than 0, it is impossible to be a geometrically stable system.
选项：
A:正确
B:错误
答案: 【正确】

19、问题:If the computing degrees of freedom W of a planar system is less than 0, the system must be a statically indeterminate structure.
选项：
A:正确
B:错误
答案: 【错误】

20、问题:Three rigid bodies connected by three hinges pairwisely form a geometrically stable system without redundant constraints.
选项：
A:正确
B:错误
答案: 【错误】

21、问题:Two links connecting two rigid bodies can be equivalently replaced by a virtual hinge
选项：
A:正确
B:错误
答案: 【正确】

22、问题:Several simple geometric construction rules of geometric stable system can be attributed to one basic rule: the basic triangle rule.
选项：
A:正确
B:错误
答案: 【正确】