20春东大《采矿学(上)》在线平时作业1题目及答案

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发表于 2020-7-3 22:45:58 | 显示全部楼层 |阅读模式
20春学期《采矿学(上)》在线平时作业1
1.[单选题] <p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; 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">下图是哪种掏槽方式:</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; 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"><img alt="" width="268" height="156" src="http://file.open.com.cn/ItemDB/77929/e7f53c39-8fd3-44b2-a0f7-e2c67272a023/2013320201337581.png" /></span></p>
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    A.锥形掏槽
    B.楔形掏槽
    C.三角形掏槽
    答:——A——
2.[单选题] 厚度为20m的矿体属于
    A.极薄矿体
    B.薄矿体
    C.中厚矿体
    D.厚矿体
    答:——D——
3.[单选题] <p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'">下图是哪种采矿法的典型布置</span></p><p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'"><img width="457" height="306" alt="" src="http://file.open.com.cn/ItemDB/77929/0cd897cb-3150-4507-bd35-461118d0655a/201332616271322.png" /></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: "Times New Roman","serif"; FONT-SIZE: 12pt" lang="EN-US"><o:p></o:p></span></p>
    A.上向水平分层充填采矿法
    B.下向分层充填采矿法
    C.留矿采矿法
    D.阶段矿房法
    答:——A——
4.[单选题] 下列哪项不属于空场采矿法
    A.房柱采矿法
    B.留矿采矿法
    C.分层崩落法
    D.阶段矿房法
    答:————
5.[单选题] <p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt; mso-outline-level: 1" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; 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">下图是受矿巷道的<span style="mso-bidi-font-weight: bold">哪种</span>形式</span></span></p><p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt; mso-outline-level: 1" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; 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"><img alt="" width="429" height="178" src="http://file.open.com.cn/ItemDB/77929/7a89d17f-3dd5-4a96-9992-d9aec1244a3e/2013320195659233.png" /></span></span></p>    Q+七六,一二,九  六零二一
    A.漏斗式
    B.堑沟式
    C.平底式
    答:————
6.[单选题] <p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'">下图属于什么竖井开拓法</span></p><p style="LINE-HEIGHT: 150%; MARGIN: 0cm 0cm 0pt" class="MsoNormal"><span style="LINE-HEIGHT: 150%; FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'"><img alt="" width="261" height="200" src="http://file.open.com.cn/ItemDB/77929/1bf25629-be83-467f-9304-3058edf4e2cf/2013313194228978.jpg" /></span><span style="LINE-HEIGHT: 150%; FONT-FAMILY: "Times New Roman","serif"; FONT-SIZE: 12pt" lang="EN-US"><o:p></o:p></span></p>
    A.穿过矿体的竖井开拓法
    B.上盘竖井开拓法
    C.下盘竖井开拓法
    D.侧翼竖井开拓法
    答:————
7.[单选题]   下列哪个可供无轨设备上下通行
    A.平硐
    B.斜井
    C.竖井
    D.斜坡道
    答:————
8.[单选题] <p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-font-kerning: 1.0pt">下图是哪种炮孔排列形式</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-weight: bold; mso-font-kerning: 1.0pt"><img width="226" height="118" alt="" src="http://file.open.com.cn/ItemDB/77929/d8f1fcf7-8869-4689-bcf8-16fbb8788224/2013322191933815.png" /></span></p>
    A.一字形排列
    B.之字形排列
    C.平行排列
    D.交错布置
    答:————
9.[单选题] 开采急倾斜矿体(一般矿体倾角大于45&ordm;)和埋藏较深的水平和缓倾斜矿体(倾角小于15&ordm;),一般采用什么开拓法
    A.平硐开拓法
    B.斜井开拓法
    C.竖井开拓法
    D.斜坡道开拓法
    答:————
10.[单选题] <p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; 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">下图属于什么竖井开拓法</span></p><p><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; 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"><img alt="" width="255" height="319" src="http://file.open.com.cn/ItemDB/77929/c065a3c9-3b3a-43dc-a5d5-cde5363095d1/2013313194334511.jpg" /></span></p>
    A.穿过矿体的竖井开拓法
    B.上盘竖井开拓法
    C.下盘竖井开拓法
    D.侧翼竖井开拓法
    答:————

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