20春学期《采煤学(一)》在线平时作业1

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统一开发的（<span>&nbsp;）称为矿区。</span>
A:<span style="FONT-FAMILY: 宋体">区域</span>
B:煤层
C:煤田或其一部分
D:煤田

回采工艺的主要工序是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span>
A:破煤、运煤、支护
B:破煤、装煤、运煤、回柱放顶
C:破煤、装煤、运煤、支护、采空区处理
D:破煤、支护、采空区处理<span lang="EN-US"><o:p></o:p></span>

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

厚煤层倾斜分层采煤法分层方法是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span>
A:水平分层、倾斜分层、垂直分层
B:斜切分层、水平分层、倾斜分层
C:倾斜分层、垂直分层、斜切分层
D:水平分层、斜切分层、垂直分层<span lang="EN-US"><o:p></o:p></span>

炮采工作面炮眼深度一般为（<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">&lt;</span><span style="FONT-FAMILY: 宋体">顶梁长度</span>
B:<span lang="EN-US">=</span><span style="FONT-FAMILY: 宋体">顶梁长度</span>
C:<span lang="EN-US">&gt;</span><span style="FONT-FAMILY: 宋体">顶梁长度</span>

<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

<span style="FONT-FAMILY: 宋体">小型矿井井田走向长度不少于（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。<span lang="EN-US"><o:p></o:p></span></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="1000" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">1000m</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="1500" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">1500m</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="2000" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">2000m</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="2500" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">2500m</st1:chmetcnv>

煤层厚度<span lang="EN-US">(<span style="mso-spacerun: yes">&nbsp; </span>)</span><span style="FONT-FAMILY: 宋体">是厚煤层。<span lang="EN-US"><o:p></o:p></span></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="3.5" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">3.5m</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="4" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">4m</span></st1:chmetcnv>
C:<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="4.5" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">4.5m</span></st1:chmetcnv>
D:<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="5" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on"><span lang="EN-US">5m</span></st1:chmetcnv><span style="FONT-FAMILY: 宋体" lang="EN-US"><o:p></o:p></span>

回采巷道的服务范围是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。
A:一个回采工作面
B:一个采区
C:几个区段
D:一个阶段

在区段内，沿区段斜长布置回采工作面，工作面的推进方向是（<span lang="EN-US"><span style="mso-spacerun: yes">&nbsp; </span></span>）。
A:水平方向
B:走向
C:垂直方向
D:倾向

<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

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

盘区<span class="GramE">与带区的</span>主要区别是回采工作面的推进方向不同，这种说法是否正确？
A:错误
B:正确

<span style="FONT-FAMILY: 宋体">划分给一个矿井开采的部分煤田叫井田吗？<span lang="EN-US"><o:p></o:p></span></span>
A:错误
B:正确

<span style="FONT-FAMILY: 宋体">阶段的走向长度等于井田的走向长度吗？<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

常用的分层方法是采用倾斜分层吗？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确

大采高工作面也属于<span class="GramE">单一长壁采煤</span>法吗？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确

<span class="GramE">三四排控顶是</span>每次回一排支柱吗？<span lang="EN-US"><o:p></o:p></span>
A:错误
B:正确

采煤方法就是指回采工艺，这种说法是否正确？
A:错误
B:正确