成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">11、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">结构上某截面剪力的影响线，在该截面处必定有突变</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">。</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;">( )</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">19、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">结构上点的移动和面或杆的转动</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">称为变形</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">。</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;">( )</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal">11、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">结构所受到的</span><span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">干扰力的频率</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">越大，</span><span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">结构的自振频率</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">相应也越大</span><span style="font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">。</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;">( )</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">10、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">两个刚片用三根交于同一点的链杆相联，组成几何不变体系</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">。</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;">( )</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">13、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">静定结构和超静定结构的内力影响线均为折线组成</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">。</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;">( )</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">13、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">对于同一超静定结构，其基本结构的选取可有多种，只要</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">去掉的约束数与超静定次数相等即可</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">。</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;">( )</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="15">23、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1体系的几何组成为（ ）。</span><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p><p class="15" align="center" style="text-align:center;"><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;"><img width="398" height="132" src="http://wljy.whut.edu.cn:80/uploadfiles/word/jglx02.files/jglx02428.png"></span></b><b><span style="font-family:Microsoft Yahei;color:rgb(0,0,0);font-weight:bold;font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p> </o:p></span></b></p><p class="15" align="center" style="text-align:center;"><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:0.0000pt;">图1</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan;">24、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">确定图示结构的振动自由度（忽略杆的轴向变形）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:widow-orphan;"><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;"><img width="157" height="169" src="http://wljy.whut.edu.cn:80/uploadfiles/word/JGLX1.files/JGLX144536.png"></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p> </o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">25、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">若平衡力系作用于静定结构的某一几何不变的部分上则其支座反力</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">（ ）。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">30、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">变形体虚功原理的虚功方程中包含了力系与位移两套物理量，其中</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">（ ）。</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>