煤矿企业安全知识抢答题

煤矿企业安全知识抢答题 安全知识抢答赛复习资料 一、单选题 1(煤矿井下处理爆炸事故的关键是，如何迅速恢复灾区通风和( A )。 A(防止爆炸引起火灾 B(灾区人员安全撤出 C(控制瓦斯浓度 2(在编制处理火灾事故的应急预案时，首先确定( A )的方法和步骤，明确采用的灭火 方法。 A(控制火势 B(调控风流 C(救援 方案 气瓶 现场处置方案 .pdf气瓶 现场处置方案 .doc见习基地管理方案.doc关于群访事件的化解方案建筑工地扬尘治理专项方案下载 3(一个低瓦斯矿的岩巷掘进工作面发生了瓦斯爆炸，则短时间内( B )发生二次爆炸或 火灾。 A(可能 B(不可能 C(不一定 4(火势较大的明火火灾的处理关键是( A )。 A(正确调动风流 B(高强度灭火 C(封闭巷道 5(U形开采的回风巷发生火灾，并且由富氧燃烧向富燃料燃烧转化，应该( A )。 A(加大供风量 B(减少供风量 C(维持不变 6(进风侧空气的瓦斯含量不能超过( A ),是处理火灾时要考虑的重要因素。 A(1 B(2 C(O(75 7(当掘进头发生火灾后局部通风机停止了运转，救护队员侦察灾区内瓦斯浓度在( B ),以下时，可以启动局部通风机继续供风。 A(1 B(2 C(3 8(处理煤尘爆炸的首要问题是( A )。 A(防止二次爆炸 B(防止火灾事故 C(防止引起瓦斯爆炸 9(处理低浓度瓦斯爆炸的要点是( A )。 A(尽快恢复灾区通风 B(首先扑灭可能引起的火灾 C(尽快组织局部返风 10(进入灾区的救护小队队员不能少于( A )人。 A(6 B(8 C(10 11(矿山救护队员在灾区工作一个呼吸器班后，至少应该休息( B )h，才能重新佩带呼 吸器工作。 A(6 B(8 C(10 12(发生煤与瓦斯突出事故后，指挥人员应派人到进、回风井口及其( B )m范围内检查 瓦斯，设置警戒，熄灭警戒内的一切火源，严禁机动车辆进入警戒区。 A(40 B(50 C(60 13(重大灾害事故的共性之一是具有( C )。 A(可预见性 B(临时性 C(继发性 14(处理掘进巷道火灾时，( A )的控制是关键。 A(局部通风机 B(主要通风机 C(火势 15(发生煤与瓦斯突出事故后，撤出灾区和( C )的人员是抢险救灾的首要任务。 A(进风流 B(回风流 C(受威胁区 16(在现场勘察时，煤尘爆炸区别于瓦斯爆炸的主要因素是现场( C )。 A(温度高 B(CO浓度大 C(有皮渣和黏块 D(破坏性大 17(在有两个回风井的矿井中，两个回风井是一大一小两种主要通风机，则该矿井反风时 大小风机的启动顺序是( B )。 A(先大后小 B(先小后大 C(同时启动 D(不分先后 18(掘进工作面迎头由于放炮发生火灾后，应( B )。 A(立即关闭局部通风机 B(立即切断附近设备电源进行洒水灭火 for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the C(撤出所有人员 19(发生煤与瓦斯突出事故后，应该( C )。 A(停风 B(反风 C(保持或立即恢复正常通风 20(全矿井停电恢复供电后，应首先启动( C )。 A(主要水泵 B(副井提升 C(主要通风机 21(发生在上行风流中的火灾，产生的火风压会使火源所在巷道风量( A )。 A(增加 B(减小 C(不变 22(处理高瓦斯下山掘进煤巷迎头火灾时，在通风条件下，瓦斯浓度不超过( A ),时可直接灭火。 A(2 B(2(5 C(3 23(独头掘进水平巷道发生火灾时，最难处理的是( B )。 A(迎头火灾 B(中部火灾 C(入口火灾 24(在启封火区工作完毕后的( A )h中，每班必须由矿山救护队检查通风、测定水温、空气温度和空气成分。 A(24 B(48 C(72 25(安全监测所使用的仪器仪 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 必须定期进行调试、校正以控制其故障率，每月至少 ( B )次。 A(1 B(2 C(3 二、问答题 1、入井前要做到哪三好,千万不能做什么, 答:煤矿是高危行业～入井前要吃好、睡好、休息好～千万不能喝酒～以保持充沛精力。 2、为什么不能穿化纤衣服和携带香烟及点火物品下井, 答:明火和静电可导致瓦斯爆炸及火灾。 3、安全誓词有那些, 答:严格履行职责～自觉遵章守纪,坚决抵制“三违”～努力提高技能,以安全为已任～视质量为生命,为实现安全目标～努力工作。 4、井下常用的通风设施有哪些, 答:井下常用的通风设施有:风筒、风门、风桥、风障、风窗等。 5、发生顶板事故的征兆是什么, 答:顶板、支架发出响声,顶板掉渣,煤壁片帮,顶板出现裂缝,顶板脱层,直接顶漏顶等。 6、矿井发生水灾的征兆有哪些, 答:工作面变得潮湿～顶板滴水、淋水～岩石膨胀～底鼓～矿压增大～片帮冒顶～支架变形～有水叫声～煤层挂汗、挂红～工作面有害气体增加、有时带有臭鸡蛋味等。 7、什么叫“一炮三检” 答:装药前、放炮前、放炮后检查瓦斯浓度。 8、什么叫“三违”, 答:违章指挥、违章作业、违犯劳动纪律。 9、煤矿企业必须对职工进行什么 培训 焊锡培训资料ppt免费下载焊接培训教程 ppt 下载特设培训下载班长管理培训下载培训时间表下载 ,未经培训的不得怎样, for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the 答:安全培训～未经安全培训的不得上岗作业 10、四个任何安全生产工作的准则是什么, 答:任何时候都不能放松安全～任何人都有责任搞好安全～任何事都不能冲击安全～任何地方都不能忽视安全。 11、采掘工作面进风流中～氧气浓度不得低于多少,二氧化碳浓度不得超过多少, 答:氧气浓度不得低于20%,二氧化碳浓度不得超过0.5% 12、“12字”安全管理方法的内容是什么, 答:即“狠、严、细、实、快、新、质、岗、训、责、自、预”。 13、矿井必须建有什么样的通风系统, 答:有完整的独立通风系统 14、炮掘和综掘巷道贯通时～相距多少米前～必须停止一个工作面作业～并做好什么准备工作, 答:20米和50米前,调整通风系统 15、巷道贯通后～必须首先做什么工作, 答:必须停止采区内的一切工作～立即调整通风系统～风流稳定后方可恢复工作。 16、矿井主要通风机停止运转时～应采取哪些措施, 答:受停风影响的地点～必须立即停止工作～切断电源～工作人员先撤到进风巷中～由值班矿长迅速决定全矿井是否停止生产～工作人员是否全部撤出。 17、局部通风机～因检修、停电等原因停风时～掘进工作面人员必须怎样做,在恢复通风前应怎样做, 答:必须撤出人员～切断电源。恢复通风前～必须检查瓦斯。只有在局部通风机及其开关附近10米以内风流中的瓦斯浓度都不超过0.5%时～方可人工开启局部通风机。 18、为了防止在事故隐患整改过程中出现的推诿扯皮现象～煤电公司提出的“三尽四不推”的具体内容是什么, 答:“三尽”是:尽职、尽责、尽快,“四不推”是:今天能做完的事不往明天推～下一级职责范围内的事不往上一级推～本单位的事不往其他单位推～自己能办的事不往其他人身上推。 19、《规程》规定～临时停工地点,不得停风～否则需采取哪些措施, 答:必须切断电源～设臵栅栏～揭示警标～禁止人员进入～并向矿调度室 报告 软件系统测试报告下载sgs报告如何下载关于路面塌陷情况报告535n,sgs报告怎么下载竣工报告下载 。 20、当瓦斯浓度超过《规程》有关条文规定时～瓦检人员有权采取什么措施, 答:责令现场工作人员停止作业～并撤到安全地点 21、井下电焊、气焊和喷灯焊接工作完毕后～还应采取哪些措施, 答:工作地点应再次用水喷洒～并应有专人在工作地点检查1小时～发现异状～立即处理。 for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the 22、瓦斯治理十二字方针是什么, 答:先抽后采～监测监控～以风定产。 23、放炮警戒线处应设臵什么, 答:警戒牌、栏杆或拉绳。 24、爆破时母线连接脚线～检查线路和通电工作应由谁来操作, 答:只准爆破工1人操作。 25、区队干部必须坚持什么 制度 关于办公室下班关闭电源制度矿山事故隐患举报和奖励制度制度下载人事管理制度doc盘点制度下载 ～现场无跟班干部时职工可以怎样做, 答:区队正职24小时值班～班队长现场跟班制度～无跟班干部现场跟班指挥安全生产～职工有权停止作业。 26、井下在检修和搬迁电气设备前应怎样做, 答:必须切断电源～检查瓦斯～在其巷道内风流中瓦斯浓度低于1%时～再用与电源电压相适应的验电笔检验～检验无电后～方可进行导体对地放电。 27、电缆悬挂点的间距规程是如何规定的, 答:在水平巷或倾斜巷道中不得超过3米～在立井筒内不得超过6米。 28、《规程》规定～电缆不应悬挂在哪上面, 答:风管或水管上 29、当电缆与风水管路同一侧时～应怎样敷设, 答:电缆必须敷设在管子上方～并保持0.3米以上的距离。 30、“四位一体”防突措施的内容是什么, 答:突出危险性预测预报～防突措施～防突措施的效果检验～安全防护措施。 31、在进行气焊时～氧气和乙炔瓶的间隔距离应该是多少, 答:5米。 32、事故的具体调查工作必须坚持“四不放过”的原则是什么, 答:事故原因不查清不放过,防范措施不落实不放过,职工群众未受到教育不放过,事故责任者未受到处理不放过。 33、井下主要有害气体主要包括哪些, 答:一氧化碳、瓦斯、二氧化碳、二氧化硫、硫化氢、氨、氧化氮。 34、瓦斯矿井划分为哪三个等级, 答:1、低瓦斯矿井,2、高瓦斯矿井,3、煤,岩,与瓦斯,二氧化碳,突出矿井。 35、矿井在防治水方面～应坚持什么原则, 答:坚持有疑必探、先探后掘的探放水原则。 36、煤矿的五大灾害是什么, 答:水、火、瓦斯、煤尘、顶板。 37、“三专两闭锁”的内容有哪些, 答:指专用变压器、专用开关、专用线路～风电和瓦斯电闭锁。 for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the 38、煤矿三大规程是指什么, 答:《煤矿安全规程》、操作规程、作业规程。 39、“五不生产”原则是什么, 答:不安全不生产～措施不落实不生产～隐患不排除不生产～不达标不生产～无跟班干部现场指挥不生产。 40(煤与瓦斯突出的危害, 答:煤与瓦斯突出能摧毁井巷设施～破坏矿井通风系统,使井巷充满瓦斯和煤(岩)抛出物～造成人员窒息、煤流埋人～甚至可能引起瓦斯爆炸与火灾事故～导致生产中断等。 41(防治煤与瓦斯突出的“四位一体”综合防突原则指什么, 答:防治煤与瓦斯突出的“四位一体”综合防突原则指煤与瓦斯突出的预测预报、防治煤与瓦斯突出的措施、防治煤与瓦斯突出措施的效果检验、个体安全防护。 42(煤与瓦斯突出的征兆有哪些, 答: 1,无声征兆: 2,有声征兆: 43(当采掘工作面发现有突出征兆时应采取应采取哪些措施, 答 :当发现有突出预兆时～瓦斯检查工有权停止采掘作业～协助班组长立即组织人员按避灾路线撤出～切断巷道内电源～同时报告矿调度室。 矿调度值班人员必须及时向矿领导汇报～并按程序通知相关单位和人员、救山救护队等～及时采取措施进行处理。 44(“一炮三检制” 瓦斯检查员在装药前、放炮前、放炮后必须分别检查瓦斯～当爆破地点附近20m以内风流中瓦斯浓度达到0.8%时～严禁装药、爆破。,《规程》规定为1.0%, 45、瓦斯管理规定对突出矿井的瓦斯报警断电如何规定的 , 答:高突区域采掘头面及回风巷必须安装高低浓度瓦斯传感器～报警断电点设臵为0.8,,断电范围为控制区域的所有非本质安全型电源。 46、什么叫瓦斯喷出, 答:大量的高压瓦斯从可见的煤、岩裂缝中快速喷出的现象叫作瓦斯喷出。 47、为什么会发生瓦斯喷出, 答:瓦斯喷出的原因有两个:一是煤岩中存储有大量高压瓦斯,二是有瓦斯喷出的通道。 48、什么是煤与瓦斯突出, 答:煤与瓦斯突出是在煤矿井下开采过程中～在地应力和瓦斯的共同作用下～破碎的煤岩由煤体或岩体内突然向采掘空间抛出～并伴随涌出大量瓦斯的一种很复杂的异常动力现象。 49、煤与瓦斯突出的危害有哪些, 答:煤与瓦斯突出是一种及其复杂的动力现象～它在短时间内向采掘空间抛出的大量煤(岩)并涌出大量的瓦斯～给矿井安全生产造成严重威胁。 for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the (1)突出煤流充塞巷道～能摧毁巷道设施～机电设备～破坏通风系统, (2)突出煤流埋人死亡～高浓度瓦斯造成人员窒息死亡, (3)遇火源引发瓦斯燃烧和爆炸等。 50、煤与瓦斯突出的地压显现方面的预兆有哪些, 答:地压显现方面的预兆:煤炮声、支架折裂声、煤岩开裂、自行剥落、掉渣、底鼓、煤壁颤动、钻孔变形、垮孔、顶钻、夹钻等。 51、煤与瓦斯突出的瓦斯涌出方面的预兆有哪些, 答:瓦斯涌出方面的预兆:瓦斯涌出异常、瓦斯浓度忽大忽小、煤尘增大、气温和气味异常、打钻喷孔、出现哨声、风声和蜂鸣声等。 52、煤与瓦斯突出煤层结构与构造方面的预兆有哪些, 答:煤层结构与构造方面的预兆:煤层层理紊乱、煤体干燥、煤体松软或强度不均匀、煤的色泽暗淡、煤厚与倾角变化、挤压褶曲、波状隆起、断层等。 53、“四位一体”综合防突措施 答:根据《煤矿安全规程》第177条和《煤与瓦斯突出细则》第2条之规定～开采突出煤层时～必须采取突出危险性预测、防治突出措施、防治突出措施的效果检验和安全防护措施等综合防治突出措施。 54、安全防护措施的内容 答:根据《规程》第209条和《细则》第91条的规定～井巷揭穿突出煤层或在煤层中进行采掘作业时～都必须采取安全防护措施。安全防护措施包括震动放炮、远距离放炮、避难所、压风自救系统和隔离式自救器等。 55、瓦斯爆炸的条件是什么, 答:瓦斯爆炸必须同时具备3个条件: 1、有足够的引爆火源～火源温度在650?，750?; 2、氧气含量在12%以上, 3、瓦斯浓度在5,，16,范围内。 56、为什么突出矿井必须设臵专用回风巷, 答:高瓦斯矿井、有煤与瓦斯突出危险的矿井的每个采区～必须设臵至少一条专用回风巷。其目的是为了保证采区通风系统稳定～为采区内的采掘工作面布臵独立通风以及抢险救灾创造条件。 57、什么叫“三专两闭锁”, 答:三专:专用变压器～专用线路、专用开关。两闭锁:风电闭锁～瓦斯电闭锁。 58、掘进工作面必须留有不少于多少米的措施孔超前距和不少于多少米的检验孔超前距。 答:掘进工作面必须留有不少于5m米的措施孔超前距和不少于2m米的检验孔超前距。 59、采煤工作面必须留有多少米的措施孔超前距和多少米的检验孔超前距。 答:采煤工作面必须留有3m米的措施孔超前距和2m米的检验孔超前距。 for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the 60、采区回风巷及矿井总回风道必须安设什么样的瓦斯传感器, 答:高浓度瓦斯传感器。 61、风筒过风墙时必须安装什么样的装臵, 答:防逆风装臵。 62、一般情况下～发生突出后多长时间内不得安排人员作业? 答:24h内 63、矿井抽放系统要坚持原则是什么, 答:“大流量、大管径、高负压、密闭抽” 64、煤炭工业坚持安全生产“三并重”的原则是什么, 答:管理 装备 培训 65、矿工互救的“三先三后”原则是什么, 答:先复苏～后搬用,先止血～后搬用,先固定～后搬用。 66、电气“三大保护”指什么保护, 答:漏电保护、过流保护、保护接地。 67、井口房和通风机房附近多少米内～不得有烟火或用火炉取暖。 答:20米 68、煤矿三大规程分别是什么, 答:《煤矿安全规程》、《作业规程》和《操作规程》。 69、矿井“一通三防”是指什么, 答:通风、防瓦斯、防煤尘、防火。 70、国家和煤矿的安全生产方针是什么, 答:安全第一～预防为主。 71、矿井透水前的预兆有哪些, 答:煤壁挂汗～水叫声～空气变冷～顶板淋水加大～水色发浑有臭味。 72、冒顶前的预兆有那些, 答: 响声 片帮 裂缝 脱层 73、事故形成的四要素是什么, 答:环境不安全因素、管理上的缺陷、物的不安全状态、人的不安全行为。 74、煤矿特种作业人员的范围应有哪些工种, 答:煤矿瓦斯检查作业、煤矿安全检查作业、煤矿防突作业、煤矿提升作业、煤矿安全监测监控作业、煤矿采煤,掘进,机操作作业、煤矿井下电气作业、煤矿井下爆破作业、煤矿探放水作业、煤矿瓦斯抽采作业 75、加强通风的目的是什么, 答:目的是在保证井下有充足的氧气的同时～将各种有害气体冲淡到安全浓度以下～并将其排出矿井。 76、矿井的通风方法包括哪些, 答:抽出式、压入式、和压入抽出联合式三种。 for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the 77、矿井通风的基本任务是什么, 答:供给井下适量的新鲜空气。 78、严格执行敲帮问顶制度～规程中如何规定, 答:开工前～班组长必须对工作面安全情况进行全面检查～确认无危险后～方准人员进入工作面。 79、在什么情况下使用自救器, 答:一是发生火或瓦斯煤尘爆炸事故时。二是发生煤,岩,与沼气突出时,三是发生透水与冒顶事故后人员封闭在灾区。 80、防止瓦斯爆炸的措施有哪些, 答:防止瓦斯积聚、防止瓦斯引燃、防止瓦斯爆炸事故扩大。 81、什么叫局部通风, 答:指在同一巷道中靠局部通风机或夹墙、风障、风筒等隔成进风风流和回风 风流的通风方式。 for more than 60 years of rural senior party member care funds; System of regulating the activities of grass-roots party organizations, and enhance the sense of belonging of grass-roots party members; Hold fast to implement "red credit", "red stake" two major project opportunities, strive to explore new ways of development of village collective economy, rural collective economy achieve breakthrough; A progress review by the Secretary of the party work of grass-roots party organizations, strengthens the responsibility of grasping party building, Party Secretary. Second, strengthening the construction of clean and honest Government and fight against corruption. Seriously implement the honest responsibility, actively carry out the independent Commission against corruption interview system, increase the leadership and the day-to-day supervision of party members and cadres at all levels, strengthen the not Winds of special treatment, treatment of "laid-back luxury and arrogance" and "three-pronged" problem, non-gang, national public officers, serving in leadership positions is not land, above-standard equipped with buses and cars for private purposes, and recreational city of gifts, hospitality, luxury and waste, "emptied the rating" special rectification work. Adhere to the rot will be punishing, corrupt Su, and 1 village, 4 disciplinary administrative cadres and workers. Three is to strengthen peace to create a work. Strengthen source management, adhere to prevention, focusing on prevention. Carry out the "big reception, big tour" campaign, petitioning for the cadres of the