2020 结构力学(沈阳农业大学) 最新满分章节测试答案

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本课程起止时间为:2020-03-03到2020-06-26
本篇答案更新状态:已完结

Week 1 Assignment 1

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

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

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

4、 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:h2 m
B:h4 m
C:h4 m or h
D:h2 m and h
答案: 【h2 m and h】

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

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

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

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

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

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

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

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

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

14、 问题:If the degree of computational freedom of the planar system W>0, it is impossible to be a geometrically stable system.
选项：
A:正确
B:错误
答案: 【正确】

15、 问题:If the calculation degree of freedom of the planar system W < 0, it must be a statically indeterminate structure.
选项：
A:正确
B:错误
答案: 【错误】

16、 问题:The three rigid body are connected by three hinges and two to form a geometrically stable system without redundant constraints.
选项：
A:正确
B:错误
答案: 【错误】

17、 问题:Geometrically instantaneously unstable system becomes a geometrically stable system after instantaneous motion, so it can be used as a structure.
选项：
A:正确
B:错误
答案: 【错误】

18、 问题:The two links connecting the two rigid body can be equivalently replaced by a virtual hinge.
选项：
A:正确
B:错误
答案: 【正确】

19、 问题:Several simple composition rules for geometrically stable systems can be summarized as one of the most basic rules: the basic triangle rule.
选项：
A:正确
B:错误
答案: 【正确】

20、 问题:As shown in the figure, the degree of computational freedom of the system is ( ).
答案: 【-1】

21、 问题:As shown in the figure, the degree of computational freedom of the system is ( ).
答案: 【0】

Week 2 Assignment 2

1、 问题:
选项：
A:
B:
C:
D:
答案: 【】

2、 问题:
选项：
A:
B:
C:
D:
答案: 【】

3、 问题:The bending moment diagram for the non-load section of a straight rod is a straight line.
选项：
A:正确
B:错误
答案: 【正确】

4、 问题:In any straight rod without shear force, the bending moment of each section is zero.
选项：
A:正确
B:错误
答案: 【错误】

5、 问题:The bending moment diagram of a statically determinate beam shown in figure (a) is shown in figure (b).
选项：
A:正确
B:错误
答案: 【错误】