成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">25、<span style="mso-bidi-font-size:10.5pt;font-family:华文宋体;color:#333333;mso-bidi-font-weight: bold">常用的开关量输入接口有直流输入接口和交流输入接口两种。</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">14、<span style="mso-bidi-font-size:10.5pt;font-family:华文宋体;color:#333333;mso-bidi-font-weight: bold">常用的</span><span style="mso-bidi-font-size:10.5pt;font-family:华文宋体; color:#333333;mso-font-kerning:0pt;mso-bidi-font-weight:bold">开关量输出接口有</span><span style="mso-bidi-font-size:10.5pt;font-family:华文宋体;color:#333333;mso-bidi-font-weight: bold">继电器输出，</span><span style="mso-bidi-font-size:10.5pt;font-family:华文宋体; color:#333333;mso-font-kerning:0pt;mso-bidi-font-weight:bold">晶体管输出及晶闸管输出。</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">20、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">实际的拖动系统常是单轴拖动系统，这是因为多轴拖动系统中克服传动摩擦耗损的能量过多。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:black;mso-font-kerning: 0pt"> <o:p></o:p></span></p>
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan">10、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">行程开关只能用于控制运动部件行程的。</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">33、<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">31、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">机电传动系统稳定工作时中如果</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt">T<sub>M</sub>>T<sub>L</sub></span><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">，电动机旋转方向与</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt">T<sub>M</sub></span><span style="mso-bidi-font-size: 10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">相同，转速将产生的变化是</span><u><span lang="EN-US" style="mso-bidi-font-size: 10.5pt"><span style="mso-spacerun:yes"> </span><span style="mso-spacerun:yes"> </span></span></u><span lang="EN-US" style="mso-bidi-font-size:10.5pt"><span style="mso-spacerun:yes"> </span></span><span style="mso-bidi-font-size: 10.5pt;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">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="margin-top:7.8pt;mso-para-margin-top:.5gd">3、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-hansi-font-family:"Times New Roman"; color:windowtext">采用步进电机作进给驱动元件的数控机床都不带位置检测装置。</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" style="margin-top:7.8pt;mso-para-margin-top:.5gd">18、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:ˎ̥; mso-hansi-font-family:ˎ̥;color:windowtext">数控机床的刀具半径补偿功能是指在轮廓加工时，刀具中轨迹总是相对于编程轨迹偏移一个半径值。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning: 0pt"> <o:p></o:p></span></p>