20春学期《采煤学(一)》在线平时作业3

adminhan

在带区内，沿煤层（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）将带区划分若干长条部分，每一部分称为分带。
A:水平方向
B:走向
C:垂直方向
D:倾向

我国对煤层厚度进行了分类，其正确的分类是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span>
A:可采煤层、不可采煤层
B:薄煤层、厚煤层
C:薄煤层、中厚煤层、厚煤层
D:薄煤层、厚煤层、特厚煤层

薄煤层的厚度区间是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span>
A:<span lang="EN-US">0.7</span><span style="FONT-FAMILY: 宋体">～</span><st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="1.3" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">1.3m</span></st1:chmetcnv>
B:<span lang="EN-US">0.7</span><span style="FONT-FAMILY: 宋体">～</span><st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="1.4" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">1.4m</span></st1:chmetcnv>
C:最低可采厚度～<st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="1.3" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">1.3m</span></st1:chmetcnv>
D:最低可采厚度～<st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="1.4" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">1.4m</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体" lang="EN-US"><o:p></o:p></span>

开拓巷道的服务范围是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span>
A:全矿井
B:一个水平
C:<span style="FONT-FAMILY: 宋体">一个采区</span>
D:全矿井、一个水平或几个采区

大型矿井井田走向长度不少于（<span>&nbsp;）。</span>
A:<st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="6000" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">6000m</span></st1:chmetcnv>
B:<st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="7000" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">7000m</span></st1:chmetcnv>
C:<st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="8000" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">8000m</span></st1:chmetcnv>
D:<st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="9000" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">9000m</span></st1:chmetcnv>

在采区内，沿煤层（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）将采区划分若干长条部分，每一部分称为区段。<span lang="EN-US"><o:p></o:p></span>
A:水平方向
B:走向
C:垂直方向
D:倾向

<span style="FONT-FAMILY: 宋体">井田<span class="GramE">内阶段</span>数目与水平数目关系是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span></span>
A:阶段数目＝水平数目
B:阶段数目&le;水平数目
C:阶段数目&ge;水平数目
D:阶段数目&ne;水平数目

<span style="FONT-FAMILY: 宋体">安装运输机的上山称为采区运输上山，任务是运输煤炭，其运输方向是</span><span lang="EN-US">(<span style="mso-spacerun: yes">&nbsp; </span>)</span><span style="FONT-FAMILY: 宋体">。<span lang="EN-US"><o:p></o:p></span></span>
A:向上
B:向下
C:水平
D:垂直

<span style="FONT-FAMILY: 宋体">广义的矿井水平的概念是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span></span>
A:表示某个水平面
B:开采水平
C:既表示某个水平面，又表示其服务范围
D:回风水平

中厚煤层的厚度区间是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span>
A:<span lang="EN-US">1.3</span><span style="FONT-FAMILY: 宋体">～</span><st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="3.5" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">3.5m</span></st1:chmetcnv>
B:<span lang="EN-US">1.4</span><span style="FONT-FAMILY: 宋体">～</span><st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="3.4" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">3.4m</span></st1:chmetcnv><span lang="EN-US"> </span>
C:<span lang="EN-US">1.3</span><span style="FONT-FAMILY: 宋体">～</span><st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="3.4" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">3.4m</span></st1:chmetcnv>
D:<span lang="EN-US">1.4</span><span style="FONT-FAMILY: 宋体">～</span><st1:chmetcnv style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom" tabindex="" unitname="m" sourcevalue="3.5" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">3.5m</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体" lang="EN-US"><o:p></o:p></span>

<span style="FONT-FAMILY: 宋体">运输水平又称为开采水平，对吗？<span lang="EN-US"><o:p></o:p></span></span>
A:错误
B:正确

<span style="FONT-FAMILY: 宋体">水平巷道的倾角是零度吗？<span lang="EN-US"><o:p></o:p></span></span>
A:错误
B:正确

柱式体系采煤法的主要标志是工作面较短吗？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确

我国是以壁式体系为主的采煤国家？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确

炮采或普采工作面支架顶梁悬臂长段靠近煤壁侧，是正悬臂支架？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确

炮采工作面炮眼采用双排眼布置，是否适用<span class="GramE">簿</span>煤层？
A:错误
B:正确

<span style="FONT-FAMILY: 宋体">采区斜长与阶段斜长是否相等？<span lang="EN-US"><o:p></o:p></span></span>
A:错误
B:正确

<span style="FONT-FAMILY: 宋体">阶段高度&le;水平高度？<span lang="EN-US"><o:p></o:p></span></span>
A:错误
B:正确

<span class="GramE">三五排控顶是</span>每次回一排支柱吗？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确

炮采工作面炮眼采用单排眼布置，是否适用采高较小的中厚煤层？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确