成考院校在线答案
- 2022-09-12 [判断] <p class="MsoNormal" style="mso-pagination:widow-orphan;">18、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">铰链四杆机构如有曲柄存在，则曲柄必为最短构件。( )</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;">10、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">在实际生产中，机构的“死点”位置对工作都是不利的，处处都要考虑克服。</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;">4、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">压力角是衡量机构传力性能的重要指标。</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;">3、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">用仿型法加工斜齿轮时，按当量齿轮的齿数选择刀具。( )</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:0.0000pt;">凸轮机构是一种低副机构。</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;">5、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">若渐开线齿轮传动的中心距增大，则传动比随之改变。( )</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;">2、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">机构处于死点位置时，其传动角等于90</span><sup><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;vertical-align:super;">0</span></sup><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">，压力角等于0</span><sup><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;vertical-align:super;">0</span></sup><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;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;">12、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">对于齿面硬度≤350HBS的闭式钢制齿轮传动，其主要失效形式为齿面点蚀。（ ）</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;">14、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">零件是制造单元体，构件是运动单元体。( )</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;">19、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:0.0000pt;">一般情况下，滚子轴承比球轴承的承载能力大。 （ ）</span><span style="font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:0.0000pt;"> <o:p></o:p></span></p>