成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">2、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">一个杆系，在荷载作用下，若略去杆件本身的弹性变形而能保持其几何形状和位置不变的体系称为几何不变体系</span><span style="font-family:'等线 Light';mso-bidi-font-family:Arial;font-size:11.0000pt;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;">20、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">计算平面结构体系的自由度时，</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">一个</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">固定铰支</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">可减少</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">一</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;">个自由度</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;">11、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">影响线仅用于解决活载作用下结构的计算问题，不能用于恒载作用下的计算</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;">9、<span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">超静定结构有多余的约束</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">，</span><span style="mso-spacerun:'yes';font-family:等线;font-size:10.5000pt;mso-font-kerning:1.0000pt;">单由静力平衡条件不能求出</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">所有内力和反力</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">16、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">多自由度振动体系的主振型形式与初始条件有关</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;">15、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;">一个杆系，在荷载作用下，即使略去杆件本身的弹性变形，它也不能保持其几何形状和位置，而发生机械运动的体系称为几何可变体系</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 [单选] <p class="MsoNormal">32、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">静定结构的几何特征是</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" style="mso-pagination:widow-orphan;">33、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">图示桁架中，a杆的内力为</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">____</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">。</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="319" height="182" src="http://wljy.whut.edu.cn:80/uploadfiles/word/JGLX1.files/JGLX119268.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" style="text-align:left;">33、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">静定梁任一截面剪力影响线在该截面两侧的影响线必然是</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" style="mso-pagination:widow-orphan;">25、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">一般在绘制影响线时，所用的荷载是一个（ ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>