成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="margin-top:7.8pt;mso-para-margin-top:.5gd">21、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;color:windowtext">脉冲编码器是一种旋转式的角位移的传感器，不能用于测量转速。 </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">22、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">数控钻床、数控镗床、简易数控车床都是点位控制数控机床。</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">23、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:ˎ̥; mso-hansi-font-family:ˎ̥;color:windowtext">模态代码一经在一个程序段中指定便持续有效，直到后续的程序段中出现同组的另一代码才失效。</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">19、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">脉冲编码器是一种旋转式的角位移的传感器，也可用于测量转速。</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">21、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:ˎ̥; mso-hansi-font-family:ˎ̥;color:windowtext">感应同步器为数字式检测装置。</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">26、<span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:ˎ̥; mso-hansi-font-family:ˎ̥;color:windowtext">数控机床若有旋转轴时，旋转轴为</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:"ˎ̥",serif; color:windowtext">A</span><span style="mso-bidi-font-size:10.5pt;font-family: 宋体;mso-ascii-font-family:ˎ̥;mso-hansi-font-family:ˎ̥;color:windowtext">是指绕</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:"ˎ̥",serif; color:windowtext">Z</span><span style="mso-bidi-font-size:10.5pt;font-family: 宋体;mso-ascii-font-family:ˎ̥;mso-hansi-font-family:ˎ̥;color:windowtext">轴旋转的轴。</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 [单选] <p class="MsoNormal" align="left" style="margin-top:7.8pt;mso-para-margin-top: .5gd;text-align:left;layout-grid-mode:char;mso-layout-grid-align:none">34、<span style="font-family:Microsoft Yahei;color:windowtext;mso-bidi-font-weight:bold">以下指令都能停止机床的进给运动。当需要有选择地停止机床的运动抽查测量某一关键尺寸时，应选择（<span lang="EN-US"><span style="mso-spacerun:yes"> </span></span>）。</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 [单选] <p class="MsoNormal" align="left" style="margin-top:7.8pt;mso-para-margin-top: .5gd;text-align:left">28、<span style="mso-bidi-font-size:10.5pt;font-family: 宋体;mso-ascii-font-family:ˎ̥;mso-hansi-font-family:ˎ̥;color:windowtext">用直接函数法进行圆弧插补时，由于采用了近似计算，</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;font-family:"ˎ̥",serif; color:windowtext">cos</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt; color:windowtext">α</span><span style="mso-bidi-font-size:10.5pt;font-family: 宋体;mso-ascii-font-family:ˎ̥;mso-hansi-font-family:ˎ̥;color:windowtext">值必然产生偏差，这个偏差对圆弧插补的轮廓精度，从理论上讲将（</span><span style="mso-bidi-font-size:10.5pt;font-family:"ˎ̥",serif;color:windowtext"> </span><span style="mso-bidi-font-size:10.5pt;font-family:Microsoft Yahei;mso-ascii-font-family:ˎ̥; mso-hansi-font-family:ˎ̥;color:windowtext">）。</span><span style="mso-bidi-font-size: 10.5pt;font-family:"ˎ̥",serif;color:windowtext"> </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 [单选] <p class="MsoNormal" align="left" style="margin-top:7.8pt;mso-para-margin-top: .5gd;text-align:left">29、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman";color:windowtext">程序段</span><span lang="EN-US" style="color:windowtext">G17 G01 G41 X0 Y0 D01</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">中的</span><span lang="EN-US" style="color:windowtext">D01</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman";color:windowtext">的含义是（）。</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 [单选] <p class="MsoNormal" align="left" style="margin-top:7.8pt;mso-para-margin-top: .5gd;text-align:left">28、<span lang="EN-US" style="color:windowtext">G92</span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext">的作用是（）。</span><span lang="EN-US" style="mso-bidi-font-size:10.5pt;color:windowtext;mso-font-kerning:0pt"> <o:p></o:p></span></p>