成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal">31、<span style="font-family:宋体">可锻铸铁中，石墨的存在形式是<span lang="EN-US">(<span style="mso-spacerun:yes"> </span>) <o:p></o:p></span></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">11、<span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext;mso-font-kerning:20.0pt">合金钢随合金元素含量的增加，焊接性能逐渐变差。</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">18、<span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext;mso-font-kerning:20.0pt">钎焊可用各种热源进行加热和焊接。</span><span style="font-size:12.0pt;color:windowtext;mso-font-kerning:20.0pt"> </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">17、<span style="font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman";color:windowtext;mso-font-kerning:20.0pt">齿轮传动能保证准确的传动比。</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">36、<span style="font-family:宋体">焊条药皮中通常含有钾、钙、钠等易电离元素的化合物，这些化合物的作用是（ ）。</span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="line-height:20.0pt;mso-line-height-rule:exactly">23、<span style="font-size:9.0pt;mso-bidi-font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">共析钢的含碳量为</span><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:12.0pt"><span style="mso-spacerun:yes"> </span></span><span lang="EN-US" style="mso-bidi-font-size:10.5pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">27、<span style="font-size:9.0pt;mso-bidi-font-size:12.0pt; font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">常用的渗碳方法有气体渗碳、固体渗碳、液体渗碳，其中应用较广泛的是（</span><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:12.0pt"><span style="mso-spacerun:yes"> </span></span><span style="font-size:9.0pt;mso-bidi-font-size:12.0pt;font-family:Microsoft Yahei;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span><span lang="EN-US" style="font-size:9.0pt;mso-bidi-font-size:12.0pt"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">26、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">利用模具使坯料变形而获得锻件的方法</span><span lang="EN-US"><span style="mso-spacerun:yes"> </span>(<span style="mso-spacerun:yes"> </span>)</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">22、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">下列使铸造特点的是</span><span lang="EN-US"><span style="mso-spacerun:yes"> </span></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"><span style="mso-spacerun:yes"> </span></span><span style="font-family: 宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">）</span></p>
- 2022-09-12 [单选] <p class="MsoNormal">28、<span style="font-family:宋体">加工硬化现象产生的主要原因是（ ）。</span></p>