成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">27、<span style="mso-bidi-font-size:10.5pt;font-family:华文宋体;color:#333333;mso-font-kerning: 0pt">对于模块式<span lang="EN-US">PLC</span>，各部件独立封装成模块，各模块通过总线连接。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">28、<span style="mso-bidi-font-size:10.5pt;font-family:华文宋体;color:#333333;mso-font-kerning: 0pt">电力拖动系统中，电动机的惯性是指由于<span lang="EN-US">J</span>和<span lang="EN-US">(</span>飞轮力矩<span lang="EN-US">GD2)</span>的存在<span lang="EN-US">,</span>使转速不能跃变的机械惯性。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">29、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:black">电动机点动与长动控制环节的区别是电动机长动有自锁环节。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">31、<span style="font-size:12.0pt;font-family:方正书宋简体">生产机械中所用的控制电器多属低压电器，其中低压是指</span><span lang="EN-US">____</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">37、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:等线; mso-hansi-font-family:等线;color:#333333;mso-font-kerning:0pt">下列属于自动电器的是。</span><span lang="EN-US">_______</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt; mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">38、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">机电传动的目的是将电能转换为</span><u><span lang="EN-US"><span style="mso-spacerun:yes"> </span></span></u><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="mso-pagination:widow-orphan">39、<span style="font-size:12.0pt;font-family:方正书宋简体">热继电器的动作机理是</span><span lang="EN-US">_______</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">9、<span lang="EN-US" style="font-size:12.0pt;font-family:Microsoft Yahei;mso-bidi-font-family:Arial;color:windowtext; mso-font-kerning:0pt">“5</span><span style="font-size:12.0pt;font-family: 宋体;mso-bidi-font-family:Arial;color:windowtext;mso-font-kerning:0pt">是<span lang="EN-US">2</span>的倍数。<span lang="EN-US">”</span>不是命题。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="margin-bottom:7.5pt;text-align:left; mso-pagination:widow-orphan;background:white">7、<span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-bidi-font-family:Arial;color:windowtext;mso-font-kerning: 0pt">设<span lang="EN-US">R</span>是集合<span lang="EN-US">A</span>上的关系，若对于任意<span lang="EN-US">a</span>，<span lang="EN-US">b</span>∈<span lang="EN-US">A</span>，当<span lang="EN-US">(a</span>，<span lang="EN-US">b)</span>∈<span lang="EN-US">R</span>时，必有<span lang="EN-US">(b</span>，<span lang="EN-US">a)</span>∈<span lang="EN-US">R</span>，则称<span lang="EN-US">R</span>为对称的。</span><span lang="EN-US" style="mso-bidi-font-size: 10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" align="left" style="margin-bottom:7.5pt;text-align:left; mso-pagination:widow-orphan;background:white">6、<span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-bidi-font-family:Arial;color:windowtext;mso-font-kerning: 0pt">克鲁斯卡尔<span lang="EN-US">(Kruskal)</span>算法可以求最小生成树。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>