相关试题
【判断题】
管道运行温度应控制在管道(含防腐材料)允许的上、下温度限值之间
【判断题】
站场值班运行人员应根据上游气源条件、下游用户需求、管存气量,调控管网的压力和流量
【判断题】
站场运行值班人员应对安防系统进行实时监控,发现异常应及时处置
【判断题】
自动监控与数据采集系统应设置公用账号操作登陆
【判断题】
当上游气源短缺、管网发生故障不能满足下游用户用气需求,严重影响管网安全运行时,当班调度应按有序用气有关规定及时采取限供气措施
【判断题】
站场运行人员对站场设备的全面检漏每周不少于3次
【判断题】
站场运行人员巡视时,应随身携带可燃气体检测仪,特别是在进入封闭空间内巡视输气管道设备设施时,应先检测氧气浓度符合要求
【判断题】
雷雨天气必须进行室外巡视或作业时,不得靠近避雷器或避雷针
【判断题】
进出站场工艺区、配电间、发电机房、控制室等无关人员禁止入内的场所,应保持大门敞开,保障通风良好
【判断题】
所有输气管道设备设施操作均应使用操作票
【判断题】
进行管道多处打开动火作业时,应对相连通的各个动火部位进行隔离;不能隔离的,动火作业不得同时进行
【判断题】
取样与动火间隔不得超过30min,如超过30min或动火作业中断时间超过30min,必须重新取样分析
【判断题】
处于运行状态的生产作业区域内,凡能拆移的动火部件,应拆移至安全地点进行动火
【判断题】
动火作业现场应配备必要的消防器材,型号、数量及放置地点应满足相应级别动火作业要求
【判断题】
6级以上大风或雨雪天气不宜进行室外动火作业,特殊情况需动火时,应采取防风、防雨雪措施
【判断题】
高处动火应采取防止火花溅落措施,在火花可能溅落的下方区域应设置警戒围护,并有专人监护
【判断题】
凡在有可燃物或堆放可燃物的构筑物内部进行动火作业时,必须采取防火隔绝措施,以防火花溅落引起火灾
【判断题】
进入受限空间作业应指定专人监护,不得在无监护人的情况下从事作业
【判断题】
受限空间的监护人可以暂时离开监护现场或在附近做部分其他工作
【判断题】
进入特别狭小空间作业,作业人应系安全可靠的保护绳,监护人可通过保护绳及防爆对讲机与作业人进行沟通联络
【判断题】
进入金属管道、容器或狭小空间内作业,使用的照明灯具应具有防爆功能并使用不超过36V的安全电压,并使用II类或III类手持式电动工器具
【判断题】
进入特别潮湿作业场所作业,还应穿绝缘鞋、戴绝缘手套,照明电压不超过24V
【判断题】
受限空间内的温度应控制在人体舒适范围。作业中若感不适,作业人员应立即撤出
【判断题】
对于采用氮气或其它惰性气体对可燃气体进行置换后的密闭空间,作业前应进行含氧量检测,氧含量应保持在18.5%—21%内,如长时间工作,工作人员应定时轮换或休息
【判断题】
挖掘作业施工现场应根据需要设置护栏、盖板和警告、警示标志,夜间应悬挂红灯警示;施工结束后要及时回填,并恢复地面设施
【判断题】
基坑除满足施工作业要求外, 应分别有上、下通道,通道坡度宜小于50 度
【判断题】
在基坑、沟槽边缘堆放土方或其他材料时,土方(或其他材料)底角与坑边距离应不小于0.8米,且堆土高度不应超过2米
【判断题】
不准在基坑、沟槽内休息,不得在升降设备、挖掘设备下方或基坑、沟槽上端边沿站立、走动
【判断题】
挖掘中如发现不明地下管线以及不能辨认的物品时,应立即停止作业
【判断题】
同一架梯子只允许两人在上面工作,不准带人移动梯子
【判断题】
严禁在五级以上大风和雷电、暴雨、大雾等恶劣天气下从事高空作业
【判断题】
进入作业区域之前,应对基础地面及地下土层承载力、作业环境等进行评估
【判断题】
在正式开始吊装作业前,起重司机必须巡视工作场所,确认支腿已垫实、牢固
【判断题】
任何人员不得在悬挂的货物下工作、站立、行走,不得随同货物或起重机械升降
【判断题】
起重机械吊臂回转范围内应无障碍物,并应采用警戒带或其他方式隔离,无关人员不得进入该区域
【判断题】
管线打开作业应对所有隔离点进行有效隔断,并进行标识
【判断题】
在受管线打开影响的区域设置路障或警戒线,控制无关人员进入
【判断题】
管线打开作业要系统隔离时,应进行系统隔离、吹扫、置换,交叉作业时需考虑相互间区域隔离
【判断题】
脚手架搭拆作业单位应具有脚手架搭拆作业相关资质
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— Hello, my name is Charles Green, but ___ .
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— ___, and how are you?
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___He teaches physics in a school.
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— Excuse me, how much is the jacket?___ It's 499 Yuan.
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— Could you help me with my physics, please?___
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— Could I borrow your car for a few days?___
A. Yes, you may borrow.
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— Thank you for inviting me.___
A. I really had a happy time.
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— May I see your tickets, please?___
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— Please help yourself to the seafood.___
A. No, I can't.
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— Would you like to go to the concert with us this evening?___
A. No, I already have plans.
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— Congratulations! You won the first prize in today's speech contest.___
A. Yes, I beat the others.
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— Must I take a taxi? No, you___. You can take my car.
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— We are going to have a singing party tonight. Would you like to join us?___
A. I'm afraid not, because I have to go to an important meeting.
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— How was your trip to London, Jane?___
A. Oh, wonderful indeed.
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— Hey, Tom, what's up?___
A. Yes, definitely!
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A. No, thanks.
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— This box is too heavy for me to carry it upstairs.___
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— I wonder if I could use your computer tonight?___ I'm not using it right now.
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— Excuse me, could you show me the way to the nearest post office?___ Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it.
A. I beg your pardon?
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— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
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— Is it possible for you to work late tonight?___
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— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
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B.
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Thank you so much for your lovely gift.___
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How do you do?___
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Hello, how are you?___
A. Hello, how are you?
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What a beautiful dress you have on today!___
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