【判断题】
所有临时用电设施外壳都应保护接地,接地电阻值应满足《施工现场临时用电安全技术规范》(JGJ46—2012)的要求,接地线和接零线应分开设置。
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相关试题
【判断题】
配电箱应保持整洁、箱体接地良好,箱门处于关闭状态。箱内插座和开关应标明对应关系。
【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。
【判断题】
焊工应戴防尘(电焊尘)口罩穿帆布工作服、工作鞋,戴工作帽、手套,上衣应扎在裤子里,口袋应有遮盖,脚面应有鞋罩,以免烧伤。
【判断题】
不准在带有压力(液体压力或气体压力)或带电的设备上进行焊接、气割;在特殊情况下必须在带压和带电设备上进行焊接、气割时,应采取安全措施,并经总经理批准。
【判断题】
高压电气试验中断、变更接线或试验结束时应立即断开试验电源,将被试设备放电。
【判断题】
深基坑(开挖深度超过5米以上或地下室二层以上,或深度虽未超过5米,但地质条件和周围环境及地下管线特别复杂的基坑)作业应编制专项施工方案,采取相应的安全防护措施。
【判断题】
管道上方原则上严禁机械开挖作业。如必须采取机械开挖的,应探明管道和光缆的埋深、位置,且当机械开挖至距管顶60cm时,必须采用人工开挖。
【判断题】
巡线员在巡线时应按规定穿戴劳动防护用品,并携带配发的GPS巡线仪、砍刀等巡线工具。
【判断题】
夜间巡线时,应穿反光服,携带照明工具,可一人执行;
【判断题】
铺设在坡度大于40°的山坡管段必须设置巡线便道,为巡线人员提供安全便利条件。
【判断题】
每隔2~4年宜进行一次穿越管道水下巡检。
【判断题】
对管道附近允许第三方施工的现场,应采取松木桩拉铁丝的方法,首先预留出对方施工便道,并在管道两侧各5米范围内设置两道栅栏或脚手架等防护隔离措施。
【判断题】
第三方施工区域应设置警示灯、警示带等警示标志。
【判断题】
内检测实施作业前应确认检测器通过管段的气液联动阀爆管保护装置已撤出,动力气源已关闭,电源已切断。
【判断题】
内检测作业过程中应在作业现场周围每隔15分钟检测一次可燃气体浓度,严禁任何明火。
【判断题】
收、发球时,所有人员严禁站在盲板正对面及旋转半径范围内。
【判断题】
打开收、发球筒盲板前,应进行氮气置换作业,并确认置换合格。
【判断题】
内检测实施作业前应确认收发球筒前后隔离阀门有无内漏;内漏严重的禁止进行收发球作业。
【判断题】
所有工作开始前,工作许可人应向工作班全体成员进行安全交底,安全交底的内容包括(但不限于)工作内容、工作范围、质量要求和职责分工以及风险控制、应急措施。
【判断题】
工作票只可通过计算机填写,工作票应一式两份,填写应正确清楚,不得任意涂改。
【判断题】
工作票签发人负责检查工作班成员精神状态是否良好,是否满足所从事工作的要求。
【判断题】
工作许可人正确完成工作票所列安全措施的操作,并检查工作范围与运行设备是否有效隔离,设备设施是否有突然来气、来电等危险。
【判断题】
当工作负责人因故离开工作现场,需应征得工作票许可人同意,并由工作票负责人人指定新的工作负责人接替其工作。
【判断题】
当工作负责人因故离开工作现场,应征得工作票签发人同意,并由工作票负责人指定新的工作负责人接替其工作。
【判断题】
在未办理工作票终结手续之前,经工作票许可人同意确认可将该设备设施投入运行。
【判断题】
在办理涉及特殊作业的工作票终结手续时,应首先将工作票闭环,再对特殊作业许可证进行终结。
【判断题】
脚手架工程除办理特殊作业许可证还应编制专项施工方案。
【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喊话与作业人进行沟通联络。
【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】
临时用电线路的自动开关和熔丝(片)应符合安全用电要求,不得随意加大或缩小,特殊情况下可用其他金属丝临时代替熔丝。
【判断题】
脚手架搭拆作业过程中禁止高空抛物、上下同时拆卸。杆件尚未绑稳时,禁止中途停止作业。
【判断题】
检修人员因工作需要可经工作负责人同意操作工艺区内的阀门、盲板及安全附件、保护设施。
【判断题】
射线检测时,必须按规定划出透照区,并设明显警戒标记或信号,以防止非工作人员误入该区受到伤害。
【判断题】
在特殊情况下必须在带压和带电设备上进行焊接、气割时,应采取安全措施,并经主管安全的领导批准。
【判断题】
容器内使用的防爆行灯,电压不准超过24V。
【判断题】
站控系统维护作业中,调度中心值班人员和输气站场人员应将控制权限切换至本地站控。
【判断题】
电动执行机构检修或维护作业前,应将执行机构打至远控状态,以便出现意外方便站控人员紧急操作。
【判断题】
检修或维护作业前,应将流量计退出运行并切换到备用支路,如无法切换支路或需进行在线作业的,电动调节阀应调至流量自动控制。
【判断题】
压力容器(管道)的放空应严格遵守操作规程,放空完毕后应关闭放空阀门,防止交叉放空作业、ESD放空设备误动等引起放空回流造成不安全事件发生。
【判断题】
值班调度通过电话发布操作指令应准确、清晰并使用正规的操作术语和设备双重命名。
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make it, with open arms ,strip off,keep back,
free of/ from ,after all,straighten up, throw away
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make it, with open arms ,strip off,keep back,
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make it, with open arms ,strip off,keep back,
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advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
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This rule should be entirely clear in the minds of everyone and should not be misunderstood under any [ ]
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I got from him only a letter, which was put on my office desk; [ ] to the receipt of this letter I have never heard from him
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advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
The duties to provide services for children in need are not [ ] to the local social services department
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advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
We pray that all nations be [ ] and that all people around the world live in peace
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It was reported the president had [ ]to fight If war was necessary,even if it meant destroying his chances of re-election
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I had to [ ] one of my email accounts as it was filled with junk mail
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controversial,assess, resolve,decrease,alter,abandon,indicate,undermine,compromise, conventional
Darwin's theory of evolution remains[ ] partly because it challenges the religious belief that God created man
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advocate,involve,confine,respond,subsequent ,distinct ,intense, fulfill,circumstance, reconcile
He suggested a small but [ ] improvement on our former plan; I really appreciate it.
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She held her hand above her eyes to [ ]them [ ] the sun so that she could see more clearly the man in front of her
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The boy studied the signs for over an hour,but still could not [ ]them, so he turned to his teacher for help
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They [ ] the developed countries to commit more money to protecting the environment
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in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
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We will continue to care for those [ ] and work to establish a society that is generous and prosperous
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Many people [ ]careers and raising kids so that they forget that their marriages also need to be taken good care of
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in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
be/ get caught up in
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in sb. 's words,count on,make sense of ,reserve for, shield from,call on, sum up, relate to ,in need,
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Finally, I would like to [ ]by saying that it has been a tremendous pleasure to work with you all
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He is a person that you always [ ]when you need help.
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This restaurant is very popular because it has some separate, smaller rooms [ ] families with small children
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Betty loves reading.[ ],“Reading is the most wonderful thing in the world.”
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Every one of you has made a contribution and I [ ] knowledging what each of you has done to make this academic convention such a success.
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in
They all tried to talk [ ], but I couldn't hear anything they said
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
Yellow flowers in the field always [ ] me [ ] my childhood in the countryside
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
We have been practicing for so long and so hard that our team should [ ]winning the game
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
Research on genes will [ ] exciting new medical treatments.,
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
My family [ ] on my father's unemployment benefit after he lost his job
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
Many subway riders read books or listent music in order to [ ] their time on the way to work
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
In order to make sure he would be able to attend the meeting, I called him up two weeks [ ]
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open the door to,In advance,all at once,reap the benefits (of), make the most of,over time, get by, stand a chance (of),remind of, take pleasure in,
In order to [ ]physical exercise, you have to exercise regularly and for at least half an hour each time
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embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
He has a special feeling for the brilliant birds, and each spring he eagerly [ ] their return
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embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
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embarrass,polish, emotional, etticiency,curb ,await, donation ,dump,stuff ,historical
John believes that the [ ] of food to the hungry is more helpful than giving money