【单选题】
___是在抽油杆下泵作业时，在井下密封油管通道，保证下泵作业顺利完成的井下工具。
A. 活堵
B. 堵塞器
C. 工作筒
D. 抽油杆自封
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A
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相关试题
【单选题】
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___。
A. 抢救人员、生产设施，后保护环境
B. 抢救生产设施、抢救人员，后保护环境
C. 抢救人员、保护环境，后抢救生产设施
D. 抢救生产设施、保护环境，后抢救人员
【单选题】
编制应急预案的目的是：一旦发生事故后控制危险源，避免事故扩大，可能的情况下予以消除。尽可能减少事故造成的___和财产损失。
A. 环境
B. 设备
C. 人员
D. 社会危害
【单选题】
应急演练检查的内容：在事故期间通讯系统是否运行，人员是否能___，应急服务机构能否及时参与事故运作，能否有效控制事故进一步扩大。
A. 设备完好
B. 环境保护
C. 安全撤离
D. 财产损失
【多选题】
油管头由油管头四通及阀门构成。下列对油管头四通说法正确的有___。
A. 油管头四通坐挂台肩具有较好的承载能力
B. 可以承载井内全部管柱重量
C. 旁通出口为载丝法兰并有螺纹，以便于带压更换外围阀门
D. 旁通出口为法兰没有螺纹
【多选题】
油管挂主要作用：___。
A. 悬挂井内管柱
B. 构成油管内通径与上部采油树的通道和油管外与套管之间的环空通道
C. 油管挂上部设有VR螺纹可以实现带压更换油管头以上的采油树阀门或进行采油树整体更换
D. 不能实现带压更换油管头以上的采油树阀门或进行采油树整体更换
【多选题】
采油树的附件油嘴下列正确说法是：___。
A. 控制和调节油井的产出量
B. 油嘴直径范围为1.5mm~20mm或以上
C. 油嘴直径范围为25mm~200mm或以上
D. 相当可调式节流阀
【多选题】
井喷突发事件应急预案的工作原则：以人为本，安全第一。___井控环保，联防联治。属地为主，统一指挥。企地联动，合理利用地方政府应急救援资源。
A. 以人为本
B. 预防为主，常备不懈
C. 统一指挥
D. 依靠科学，依法规范
【多选题】
应急响应启动条件，符合下列条件___时，启动应急响应程序：
A. 发生I级和II级井喷事件
B. 发生III级井喷事件，集团公司所属企业请求集团公司给予支援或帮助
C. 接到国家，地方政府应急联动要求
D. 高危地区油（气）井发生井喷事故
【多选题】
应急计划的内容主要包括但不限于___、应急救援的组织机构和职责、事故发生后应采取的工艺处理措施、应急培训计划和演练要求。
A. 井内管柱结构
B. 参与事故处理的部门和人员
C. 套管结构
D. 人员的撤离及危险区隔离计划
【多选题】
事故应急救援预案的内容：预测和评估潜在事故性质和规模及影响范围，紧急情况发生时的可能关系及其影响范围；还包括___。
A. 危险报警
B. 报警装置
C. 通讯联络方法
D. 控制事态
【多选题】
井喷后抢险过程中应注意以下哪些安全防护措施？___
A. 安全抢险人员要穿戴好各种劳保用品
B. 消防车及消防设施要严阵以待，随时应付突发事故的发生
C. 医护抢救人员到现场守候，做好救护工作的一切准备
D. 全体抢险人员要服从现场指挥的统一指挥，随时准备好
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What VM Monitoring setting would ensure that the failure interval for a virtual machine is defined as 120 seconds?___
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The business managers have asked the IT administrator to ensure configuration compliance in the vSphere infrastructure. The IT administrator wants to use Host Profiles to accomplish this, but is unable to do so. Why is the administrator unable to use Host Profiles?___
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Which is the correct order for upgrading vSphere components?___
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Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
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An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host. Which log shows the related events between these components?___
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An administrator is trying to vMotion a VM from his datacenter to a recovery site. Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?___
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Which is required for configuring iSCSI Software Adapter network port binding?___
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In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
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【单选题】
An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:< vSphere Distributed Switch MTU supported status > .The administrator has all of the VMkernel ports MTU sizes set to 1600. Which action will remedy this problem?___
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Which Host Profile Subprofile configuration is used to configure firewall settings for ESXi hosts?___
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Where would a vSphere administrator find general vCenter Server logs on a vCenter Server Appliance?___
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Which is the maximum number of block devices (LUNs) that are supported by ESXi hosts that are running version 6.5?___
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When performing a vCenter Server 5.5 for Windows with Microsoft SQL Server Express database migration to vCenter Server Appliance 6.5, which will be the target database?___
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An administrator has multiple vCenter Server 6.5 systems but cannot enable Storage I/O Control (SIOC) on a datastore shared by ESXi hosts managed by the vCenter Server systems. Which action should the administrator take to resolve the issue?___
A. Unmount the datastore and then enable SIOC on the vCenter Server system.
B. Configure the datastore to be managed by a single vCenter Server system.
C. Configure Storage DRS and then enable SIOC on the vCenter Server system.
D. Enable Raw Device Mapping (RDM) on the
E. SXi hosts.
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“OneAppServer” is a VM template stored in a content library named “LibraryOne”, but the vSphere administrator is not able to use this template for deployment. Why is the administrator unable to deploy OneAppServer?___
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B. LibraryOne is a subscribed library and OneAppServer is not downloaded yet.
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An administrator sets the Failover Capacity for both CPU and Memory at 25%. Based on the Exhibit below, how much of the cluster’s total CPU resources are still available to power on additional virtual machines?___
A. 45%
B. 25%
C. 70%
D. 60%
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Which statement applies to the vSphere Replication appliance?___
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B. VMware Tools in the vSphere Replication appliance can be upgraded.
C. A single vSphere Replication appliance can manage a maximum of 4000 replications.
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E. ssentials Plus license.
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Which esxcli namespace can a vSphere Administrator use to adjust the queue depth?___
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Which statement regarding datastore clusters meets VMware’s recommended best practices?___
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What VM Monitoring setting would ensure that the maximum reset window for a virtual machine is 24 hours?___
A. Medium
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What is the default space threshold for vSphere Storage DRS?___
A. 80%
B. 70%
C. 90%
D. 95%
