20春学期《矿山机械Ⅰ》在线平时作业2

adminhan

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20.4pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">提升机离合器的作用是</span><span lang="EN-US"><font face="Times New Roman">____________________</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20.4pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><span lang="EN-US"><font face="Times New Roman" size="3"></font></span></p>
A:<font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">对提升容器制动</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;</span></font></span></font>
B:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font size="3">缠绕钢丝绳</font></span>
C:<font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">实现单容器提升</span><span lang="EN-US"><font face="Times New Roman"><span style="mso-spacerun: yes">&nbsp;</span></font></span></font>
D:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><font size="2">改变两容器的相对位置</font></span>

<span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">提升机的速度横轴为<span lang="EN-US">__________</span>。<span lang="EN-US"><o:p></o:p></span></span>
A:<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 150%"><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: 宋体">提升容器位置</span><span lang="EN-US"><o:p><font face="Times New Roman" size="3">&nbsp;</font></o:p></span></p>
B:<font face="宋体" size="3">加速度</font>
C:<font face="宋体" size="3">速度</font>
D:<font size="3"><font face="宋体">时间<span lang="EN-US"><o:p></o:p></span></font></font>

<span class="a"><span style="FONT-SIZE: 12pt; mso-font-kerning: 1.0pt; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">对于<span lang="EN-US">g</span>罐笼提升，提升钢绳最大悬垂长度是指<span lang="EN-US">__________________</span>。</span></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20.4pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><span lang="EN-US"><font face="Times New Roman" size="3"></font></span></p>
A:<font size="3"><font face="宋体"><span class="a"><span style="FONT-SIZE: 12pt">钢绳的总长度</span></span></font></font>
B:<font face="宋体" size="3">井架高度加装载高度</font>
C:<font face="宋体" size="3">矿井深度</font>
D:<font face="宋体" size="3">钢丝绳连接长度</font>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">对于带式输送机的物料堆积面积，下列说法正确的是<span lang="EN-US">_____________________</span>。<span lang="EN-US"><o:p></o:p></span></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体"><o:p></o:p></span></p>
A:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">托辊组槽角越大，物料的堆积面积越大；<span lang="EN-US"><o:p></o:p></span></span>
B:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">托辊组槽角越小，物料的堆积面积越小；<span lang="EN-US"><o:p></o:p></span></span>
C:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">槽角为<span lang="EN-US">35⁰</span>时物料堆积面积最大；<span lang="EN-US"><o:p></o:p></span></span>
D:<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体">槽角为<span lang="EN-US">45⁰</span>时物料堆积面积最大；<span lang="EN-US"><o:p></o:p></span></span>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">提升机的减速方式有</span><span lang="EN-US"><font face="Times New Roman">__________________</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span></font></p>
A:<font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">自由滑行减速（拖动力为零）；</span></font>
B:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font size="3">制动减速（拖动力为负即施加制动力）</font></span>
C:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font size="3">电动机减速（拖动力为正，但小于静阻力）</font></span>
D:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">其他</span>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20.4pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">列车运行阻力包括</span><span lang="EN-US"><font face="Times New Roman">_____________________</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 20.4pt; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align="left"><span lang="EN-US"><font face="Times New Roman" size="3"></font></span></p>
A:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">基本阻力</span>
B:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">惯性阻力</span>
C:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">弯道阻力</span>
D:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">坡道阻力</span>

<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">下列说法正确的是</span>
A:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">钢丝绳芯输送带可以采用机械接头</span>
B:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">钢丝绳芯输送带不可以采用机械接头，而必须采用硫化接头</span>
C:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">织物芯输送带可以采用机械接头</span>
D:<span style="FONT-SIZE: 10.5pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">织物芯输送带不可以采用机械接头，而必须采用硫化接头</span>

<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font size="3"><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">下列带式输送机启动方式中，哪种可以实现控制启动方式</span><span lang="EN-US"><font face="Times New Roman">___________</font></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">。</span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-US"><font face="Times New Roman" size="3"></font></span></p>
A:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">限矩液力耦合器传动</span>
B:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">液体粘性离合器传动</span>
C:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">液压马达驱动</span>
D:<span style="FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">交流电动机软起动</span>