相关试题
【多选题】
关于节流阀下列说法正确的是___。
A. 节流控压
B. 锲形节流阀不彻底截止流体
C. 锲形节流阀可彻底截止流体
D. 针形节流阀可彻底截止流体
【判断题】
蓄能器由若干个钢瓶组成，每个钢瓶中装有胶囊，胶囊中预充7MPa的氮气。
【判断题】
远程控制装置如使用气动泵制备不超过21MPa压力时，要打开气动泵的气源旁通阀。
【判断题】
远程控制装置（远程控制台）安装在面对井场左侧、距井口不少于25m的专用活动房内，并保持2m宽的行人通道，周围l0m内不得堆放易燃、易爆、腐蚀物品。
【判断题】
远程控制台油箱中液压油无乳化变质现象，液压油油面在标记下限范围内
【判断题】
井控管汇出厂时间总年限达到十年应报废。
【判断题】
节流压井管汇的额定工作压力应与所用防喷器组合的压力等级相一致。
【判断题】
节流管汇中，手动节流阀调节时人应位于阀侧。
【判断题】
每次打开环形防喷器后必须检查胶芯是否全开，以防挂坏胶芯。
【判断题】
环形防喷器的关井油压不允许超10.5MPa；根据情况可适当减少控制油压。
【判断题】
环形防喷器通常与闸板防喷器配套使用，也可单独使用。
【判断题】
液控管线应排列整齐，管排架与防喷管线距离应不少于1m。车辆跨越处应有过桥保护措施，液控管线上不允许堆放杂物。
【判断题】
当远程控制装置需要制备21MPa以上的高压时，可以启用气泵来制备。
【判断题】
远程控制装置上的旁通阀用来将蓄能器与液压闸板防喷器供油管路连通或切断。
【判断题】
钢瓶胶囊中只能预充空气，绝对不能充氧气。
【判断题】
开井时，采油（气）井口装置闸门应遵循先外后内的原则。
【判断题】
活堵是在抽油井下泵作业时，在井下密封油管通道，保证下泵作业顺利完成的井下工具。
【判断题】
自封封井器在起下作业时，密封油套环形空间，承受环空的一定压力。
【判断题】
修井液加重、除气、灌注设备不属于井控设备范畴。
【判断题】
井口防喷器组合包括手动或者液压防喷器、四通、过渡法兰等。
【判断题】
井喷突发事件应急组织机构：集团公司井喷失控事故应急领导小组，井喷失控事故应急办公室，相关职能部门信息组、专家组、现场应急指挥部组成。
【判断题】
发生Ⅱ级井喷事件，启动预警程序。Ⅱ级井喷事件发展到Ⅰ级时，启动井喷事件响应程序。
【判断题】
井下作业应急救援总的原则是救死扶伤，以抢救人员生命为第一位，做到先抢救人员、保护环境，后抢救生产设施。
【判断题】
事故应急救援预案是指政府和生产经营单位为减少事故的后果而预先制定的抢险救灾方案，是进行事故救援活动的行动指南。
【判断题】
事故应急救援预案分现场预案和场外预案。
【判断题】
现场预案由生产经营单位进行编制，而场外预案的编制主要由政府负责，生产经营单位配合进行。
【单选题】
节流压井管汇的安装压井管线安装在当地___方向的套管闸门上。
【单选题】
节流压井管汇的主要技术参数是指___和管汇的（ ）。
A. 最小工作压力；公称通径
B. 最小工作压力；公称外径
C. 最大工作压力；公称外径
D. 最大工作压力；公称通径
【单选题】
按要求，现场要对节流压井管汇的闸阀挂牌编号，并标明其___状态。
【单选题】
平板阀手轮回旋l/4-1/2圈的目的是保证阀板___实现闸板的有效密封。
A. 自由浮动
B. 灵活
C. 好开
D. 关闭
【单选题】
平板阀关闭时，阀板应处于浮动状态，关闭后必须回___圈（省力机构的为3~4圈）。
A. 1~2
B. 1/2~1
C. 1/4~1/2
D. 2~3
【单选题】
平板阀视温度情况，___℃以下需要进行保温。
A. -20
B. 0
C. -30
D. -10
【单选题】
___的主要作用是节流控压，并不彻底截止流体的功能，手动节流阀不能使用较大的扭矩关闭，以免损坏阀芯。
A. 平板阀
B. 节流阀
C. 液动平板阀
D. 手动平板阀
【单选题】
液动平板阀平时在节流管汇上处于___状态，在节流、放喷、“软关井”时才开启工作。
【单选题】
井下作业常用的内防喷工具是___。
A. 箭形止回阀
B. 油管旋塞阀
C. 钻具浮阀
D. 投入式止回阀
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【填空题】
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【填空题】
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【填空题】
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7.Aunt Pat smiled at her little niece and _________her to eat.
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【填空题】
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【填空题】
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【填空题】
1.According to some scientists, global warming _________the survival of the whole human race.
【填空题】
2.The number of visitors from parts of Scotland not including the Edinburgh area was, in fact, relatively small19%, and exceeded the number of overseas visitors16%_________.
【填空题】
3.The early Spaniards established a chain of mission _________the local population along the San Antonio River.
【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
1.The cook put the meat on a plate, _________it with salt and pepper, wrapped up the plate in aluminum foil铝箔 and then placed it in the oven to roast.
【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
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【填空题】
8.Susan told me numerous times how her sister _________children.
【填空题】
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【填空题】
10.For economic reasons, shipbuilders have designed vessels___ that can be loaded and _________in a minimum amount of time with minimum labor.
