【判断题】
第219题:化工生产防止火灾、爆炸的基本措施是限制火灾危险物、助燃物、火源三者之间相互直接作用
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第218題:如果检修时人要进入用氮气置换后的设备内工作,则事先需用压缩风进行吹扫,将氮气驱净,待氧气与有毒有害气体含量分析合格后方可进入。否则人进入设备后会发生因氮气窒息而死亡
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第221题:防爆开关使用前一不应擦去厂家涂抹的黄油
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第222题:丁二烯自聚物在阳光暴晒下和在蒸汽热源附近附近会受热自燃着火
【判断题】
第223題:单位或者个人违反《中华人民共和国突发事件应对法》,导致突发事件发生或者危害扩大,给他人人身、财产造成损害的.应当依法承担刑事责任
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第225题:非法人单位的主要负责人是单位的消防安全责任人,对本单位的消防安全工作全面负责
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第226题:乙烯装置遍洗塔用氢氧化钠水溶液脱除硫化氢和二氧化碳,过程易燃易爆略有腐蚀
【判断题】
第227题:裂解气压缩机一段吸入压力低,严重时会导致压缩机喘振
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第229题:安全检查的任务是发现和查明各种危险和隐患,督促整改,监督各项安全管理规章制度的实施,制止违章指挥、违章作业
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第228题:各级企业应当每年对应急预案的管理情况进行总结、应急预案管理工作总结应当报上一级安全生产监督管理部门
【判断题】
第230题:球罐液面计假液位的处理方法是更换新的液位计
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第231题:高压蒸汽中的杂质沉积在汽轮机内会降低汽轮机的处理和效率
【判断题】
第232题:碳二加氢催化剂再生采用蒸汽-空气烧焦方法。催化剂在再生过程中,要严格控制空气量以防催优剂床层飞温使催化剂失效。床层温度太高时要立即切断空气进入床层,待催优剂床层温度下降后再緩慢通入空气继续烧焦
【判断题】
第233题:压力对变换反应的平衡有明显影响
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第234题:火炬头外部设有长明灯是为了照亮火炬周围以便巡检
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第235题:急冷系统开工过程中接重汽油注意室内外液位的校对,避免汽油带入工艺水汽提塔,造成着火爆炸事故
【判断题】
第236题:转动设备上所用的密封都是动密封
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第237题:环保监测中的COD表示生化需氧量
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第238题:排流管无液体流动不易产生局部腐蚀
【判断题】
第239题:压力容器连接部位有泄漏现象时,可以拆卸慄栓或拆卸压盖更换垫片或加压填料
【判断题】
第240题:为防止飞温引起事故,甲烷化反应器大多设有高温报警和超高温联锁停车装置
【判断题】
其可能发生的事故类型和可能发生的季节及其严重程度进行确定
【判断题】
第242题:腐蚀是材料与周围环境元素发生化学变化而遭受破坏的现象
【判断题】
第243题:可燃气体或蒸气与空气的混合物,若其浓度在爆炸下限以下或爆炸上限以上时便不会着火或爆炸
【判断题】
第244题:对制冷系统水换热器倒空,应待系统泄压完毕后立即停止水循环,及时将水倒空,防止水窜入冷系统
【判断题】
第245题:安全带使用两年后,按批量购入情况抽验一次
【判断题】
第246题:生产单位应当组织有关专家对本部门编制的应急预案进行审定。必要时可以召开听证会,听取社会有关方面的意见
【判断题】
第247題:在管线法兰连接处通常将螺帽与螺母用铁丝连接起来,目的是导出静电
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第248題:滤毒罐分大、中、小三种形式,分别用于毒气体积浓度不大于2%、1%、0.5%的场合
【判断题】
第249题:乙烯制冷压缩机系统实气置换时,应注意机体充压、泄压缓慢进行,防止压缩机密封系统有大的波动
【判断题】
第250题:裂解气压缩机在开车升速过程中,可以在临界转速区域长时间停留
【判断题】
第251题:压缩机透平两端吹氮气的目的是防爆,起到安全的作用。同时也可提高两端轴承的温度
【判断题】
第252题:正常运行时,在冷箱进出口安装精密压力表定期监测。当压差増大到一定程度时,即需要将冷箱切出清理滤网,或者需要注入甲醇等物质解冻
【判断题】
第253题:乙烯装置所用助剂二甲基二硫为无色或微黄色液体,接触后可引起头痛、恶心和呕吐
【判断题】
第254题:煤块在常温下不易着火,更不易发生爆炸。因此煤矿开采和加工一般不用防爆
【判断题】
第255题:生产过程中发现设备泄漏应及时进行消漏,以减少无组织排放
【判断题】
256题:应急预案应当包括应急组织机构和人员的联系方式、应急物资備备清单等附件信息。附件信息应当经常更新、确保信息准确有效
【判断题】
第257题:人身中毒的途径为呼吸道、消化道、皮朕
【判断题】
第258题:在应急管理中,恢复阶段的目标是尽可能地抢救受害人员,保护可能受威胁的人群,尽可能控制并消除事故
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