成考院校在线答案
- 2024-03-05 [单选] <p class="MsoNormal" style="mso-para-margin-left:0.0000gd;line-height:150%;">6、<span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">重力为</span><i><span style="font-family:'Times New Roman';font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">Q</span></i><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">的物体，以匀速</span><i><span style="font-family:'Times New Roman';font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">v</span></i><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">下降，当吊索长度为</span><i><span style="font-family:'Times New Roman';font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">l</span></i><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">时，制动器刹车、起运卷筒以等减速在</span><i><span style="font-family:'Times New Roman';font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">t</span></i><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">秒后停止转动，动荷系数为（ ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:150%;">38、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">静定杆件的内力与其所在截面相关的参数是（ ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="mso-para-margin-left:0.0000gd;line-height:150%;">3、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">应力是内力的（ ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="margin-left:21.2500pt;mso-para-margin-left:0.0000gd;text-indent:-21.2500pt;mso-char-indent-count:0.0000;line-height:150%;mso-list:l0 level1 lfo1;">7、 <!--[if !supportLists]--><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><span style="mso-list:Ignore;">2.<span> </span></span></span> <!--[endif]--><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">实心圆轴、两端受扭矩作用。直径为</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">D</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">时，轴内的最大剪应力为</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">τ</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">。若轴的直径改为<font face="Times New Roman">D/2</font><font face="宋体">，其它条件不变，则轴内的最大剪应力为（ ）</font></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:150%;">2、<span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">自由落体冲击时，当冲击物重量</span><i><span style="font-family:'Times New Roman';font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">G</span></i><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">增加一倍时，若其它条件不变，则被冲击物内的动应力（ ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:20.0000pt;mso-line-height-rule:exactly;">11、<span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">悬臂梁的</span><i><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">AC</span></i><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">段，各个截面上的（ ）。</span><span style="font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="320" height="135" src="http://wljy.whut.edu.cn:80/uploadfiles/word/CLLX.files/CLLX5610.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p> </o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:20.0000pt;mso-line-height-rule:exactly;">12、<span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">铸铁简支梁，当其横截面分别按图</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">5</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">两种情况放置时，梁的强度和刚度</span><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">分别</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">（ ）</span><span style="font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="219" height="105" src="http://wljy.whut.edu.cn:80/uploadfiles/word/CLLX.files/CLLX24628.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p> </o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="line-height:20.0000pt;mso-line-height-rule:exactly;">24、<span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">图<font face="Times New Roman">1</font><font face="宋体">（</font><font face="Times New Roman">a</font><font face="宋体">）和（</font><font face="Times New Roman">b</font><font face="宋体">）</font></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">为</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">材料相同的悬臂梁</span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">，</span><span style="mso-spacerun:'yes';font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">（<font face="Times New Roman">a</font><font face="宋体">）梁最大挠度是（</font><font face="Times New Roman">b</font><font face="宋体">）梁的（ ）</font></span><span style="font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="355" height="97" src="http://wljy.whut.edu.cn:80/uploadfiles/word/CLLX.files/CLLX15397.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"><img width="355" height="95" src="http://wljy.whut.edu.cn:80/uploadfiles/word/CLLX.files/CLLX15398.png"></span><span style="font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;"> <o:p> </o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="mso-para-margin-left:0.0000gd;line-height:150%;">11、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">等截面直杆承受轴向拉力</span><i><span style="font-family:Microsoft Yahei;font-style:italic;font-size:12.0000pt;mso-font-kerning:1.0000pt;">F</span></i><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">作用，若选用三种不同的截面形状：圆形、正方形、空心圆，<font face="Times New Roman">`</font><font face="宋体">若其他条件相同，比较材料用量，则（ ）</font></span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2024-03-05 [单选] <p class="MsoNormal" style="mso-para-margin-left:0.0000gd;line-height:150%;">19、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">卡氏定理只适用于（ ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>