相关试题
【单选题】
负责压力容器的技术安全管理工作的___。
A. 厂长
B. 总工程师
C. 检验人员
D. 专职压力容器的管理人员
【单选题】
压力容器一般只要发生事故，大部分都是___事故。
A. 无人员伤亡
B. 爆炸
C. 一般性
D. 破坏性
【单选题】
事故原因一时查不清，___。
A. 慢慢查，直到查清为止
B. 应迅速报告上级，不得盲目处理
C. 先处理情况，其他以后再说
D. 查不清就不查了，放一边做其他事
【单选题】
在发现锅炉缺水时，应___
A. 先判断是轻微缺水还是严重缺水，然后施以不同的处理方法
B. 首先加水
C. 紧急停炉检查
D. 先报告上级，等上级来处理
【单选题】
重大事故是指锅炉压力容器___。
A. 在使用中和试压时，发生破裂，使压力瞬间降至大气压力的事故
B. 由于受压部件严重损坏，或附件损坏等，被迫停止运行，必须进行修理的事故
C. 损坏程度不严重，不须要立即停止运行进行修理的事故
D. 发生破坏力很大的爆炸事故
【单选题】
“叫水”方法只适用于相对容水量___的小型锅炉。
【单选题】
满水事故是锅炉水位高于水位表___水位线时造成的事故。
A. 最低
B. 二分之一
C. 三分之二
D. 最高
【单选题】
发现汽水共腾时，应减弱燃烧，降低负荷，___并打开定期排污阀，改善给水质量直至恢复正常。
A. 关小主汽阀，打开蒸汽管道及过热器，全开连续排污阀
B. 打开主汽阀，关小蒸汽管道及过热器，全开连续排污阀
C. 关小主汽阀，全开蒸汽管道及过热器，打开连续排污阀
D. 打开主汽阀，全开蒸汽管道及过热器，关小连续排污阀
【单选题】
___导致炉墙、构架损坏，造成停炉及人员伤亡。
A. 炉管爆炸
B. 汽水共腾
C. 锅炉爆炸
D. 炉膛爆炸
【单选题】
高压气瓶的工作压力大于___。
A. 2MPa
B. 3MPa
C. 5MPa
D. 8MPa
【单选题】
按容积(V，升)分属于中容积气瓶的是___。
A. 100L<V≤1000L
B. 12L<V≤100L
C. 0.4L≤V≤12L
D. 低于0.4L
【单选题】
盛装永久性气体的气瓶都是在较高压力下充装气体的钢瓶。常见的压力为___。
A. 5MPa
B. 8MPa
C. 10MPa
D. 15MPa
【单选题】
盛装永久性气体的气瓶都是在较高压力下充装气体的钢瓶。常见的压力为___。
A. 5MPa
B. 8MPa
C. 10MPa
D. 15MPa
【多选题】
顶管施工主要包括：___。
A. 作业坑设置、后背修筑与导轨铺设
B. 顶进设备布置、工作管准备
C. 降水与排水、顶进
D. 挖土与出土、下管与接口
E. 施工交底
【多选题】
顶管法施工可分为：___。
A. 对顶法、顶拉法
B. 顶拉法、中继法
C. 后顶法
D. 深覆土减摩顶进法
E. 牵引法
【多选题】
目前我国地下工程施工中主要有：___。
A. 手掘式盾构
B. 挤压式盾构
C. 半机械式盾构
D. 机械式盾构
E. 人工操作
【多选题】
盾构施工过程安全保护措施环节有：___。
A. 盾构机进洞
B. 盾构机推进开挖
C. 盾构机出洞
D. 安全教育
E. 加强检查
【多选题】
盾构施工开工阶段整个流程___。
A. 盾构机进出洞
B. 管片进场
C. 垂直运输和水平运输
D. 车架段交叉作业
E. 管片拼装
【多选题】
电机车水平运输作业包括：___。
A. 电机车水平运输系统
B. 垂直运输的施工材料
C. 围护盾构工作面的安全措施
D. 盾构工作的出土箱
E. 洞口井的围护
【多选题】
顶管前，根据地下顶管施工技术要求，按实际情况制定的专项安全技术方案和措施要必须符合___。
A. 规范
B. 标准
C. 规程
D. 领导指示
E. 地方规定
【多选题】
喷射井点的设备主要有：___。
A. 喷射井管
B. 高压水泵
C. 进水总管
D. 排水总管
E. 符加设备
【多选题】
钢丝绳按捻制方向可分为___。
A. 同向捻
B. 交互捻
C. 混合捻
D. 反向捻
E. —致捻
【多选题】
钢丝绳的破坏原因主要有___。
A. 截面积减少
B. 质量发生变化
C. 变形
D. 突然损坏
E. 连接过长
【多选题】
化学纤维绳可分为___。
A. 尼龙绳
B. 涤纶绳
C. 吕宋绳
D. 维尼纶绳
E. 丙纶绳
【多选题】
焊接环形链出现___情况之一时应予报废。
A. 裂纹
B. 未进行负荷试验
C. 链条发生塑性变形，伸长达原长度的5％
D. 链环直径磨损达原直径的10％
E. 使用后未保养
【多选题】
卡环可分为___。
A. 销子式
B. 骑马式
C. L或U形
D. 螺旋式
E. U四杆式
【多选题】
起重吊装作业中使用的吊钩、吊环，其表面要光滑，不能有___等缺陷。
A. 剥裂
B. 刻痕
C. 锐角
D. 接缝
E. 裂纹
【多选题】
绳夹在使用时应要注意___。
A. 其数量和间距与钢丝绳直径成正比
B. 一般绳夹的间距最小为钢丝绳直径的6倍
C. 绳夹的数量不得少于3个
D. 钢丝绳受力后绳夹可以移动
E. 钢丝绳受力变形后，为防止继续变形，可不拧紧绳夹
【多选题】
以下属于专用的取物装置有___。
A. 三脚架吊具
B. 可调杠杆式吊具
C. 起吊平放物体吊具
D. 四杆式吊具
E. 四杆机构吊具
【多选题】
几台千斤顶同时作业时，就注意的事项有___。
A. 服从统一指挥
B. 动作一致
C. 保证同步顶升
D. 确保同步降落
E. 以上都不对
【多选题】
手拉葫芦的优点有___。
A. 结构紧凑
B. 手拉力小
C. 携带方便
D. 使用稳当
E. 比其他的起重机械容易掌握
【多选题】
手拉葫芦的适用范围：___。
A. 起吊轻型构件
B. 拉紧扒杆的缆风绳
C. 起吊重型设备
D. 小型设备或重物的短距离吊装
E. 构件或设备运输时拉紧捆绑的绳索
【多选题】
安装好的桅杆在投入使用前，必须满足___。
A. 中心线偏差不大于总支承长度的1／1000
B. 每5m长度内中心线偏差和局部塑性变形不应大于20mm
C. 在桅杆全长内，中心偏差不应大于总支承长度1／200
D. 桅杆的连接螺栓，必须紧固可靠
E. 各种桅杆的基础都必须平整坚实，不得积水
【多选题】
金属桅杆又可分为___。
A. 管式桅杆
B. 人字桅杆
C. 牵引桅杆
D. 龙门桅杆
E. 格构式桅杆
【多选题】
电动卷扬机应完整无损，如发现___等情况时，必须进行修理或更换。
A. 卷筒壁减薄10％
B. 筒体裂纹和变形
C. 电器受潮
D. 卷筒轴磨损严重
E. 减速箱油量不足
【多选题】
对起重吊装使用的地锚要求___。
A. 严格按设计进行制作
B. 可以根据现场的条件随意制作
C. 使用时可适当超载
D. 使用时不准超载
E. 做好制作地锚的隐蔽工程记录
【多选题】
按使用方法滑轮可分为___。
A. 导向滑轮
B. 平衡滑轮
C. 定滑轮
D. 动滑轮
E. 滑轮组
【多选题】
在起重作业中常用的起重机械主要有___。
A. 手拉葫芦
B. 履带式起重机
C. 轮胎式起重机
D. 汽车式起重机
E. 塔式起重机
【多选题】
履带式起重机的起升机构主要有___。
A. 卷扬机构
B. 滑轮组
C. 起重臂
D. 操作系统
E. 吊钩
【多选题】
桅杆滑移法吊装中调整桅杆应注意：___。
A. 先调整桅杆底部位置，后调整桅杆垂直度。试吊后若发现桅杆位置偏差将影响到工件吊装就位，应再次进行桅杆调整
B. 先调整桅杆垂直度，后调整桅杆底部位置。试吊后若发现桅杆位置偏差将影响到工件吊装就位，应再次进行桅杆调整
C. 桅杆垂直度的允许偏差为桅杆高度的1／250
D. 桅杆垂直度的允许偏差为桅杆高度的1／150
E. 桅杆顶部或底部导向滑轮挂结绳扣的长度要根据提升滑轮组动（定）滑轮和卷扬机走绳出（入）绳角确定
推荐试题
【单选题】
Which of the following is not a parameter for traffic filtering or marking?___
A. virtual port ID
B. Protocol
C. Traffic Direction
D. DSCP value
E. Traffic redirection
【单选题】
A vSphere administrator wants to enable a virtual machine with Secure Boot, but in VM setting, Secure Boot option was not found under Boot Options. What could be the cause?___
A. The virtual hardware is not compatible.
B. The virtual machine has missing drivers.
C. The virtual machine OS does not support secure boot.
D. VMware Tools is not upgraded.
【单选题】
A virtual machine is connected on a distributed port group where the average bandwidth configured in the traffic shaping policy is 100 Mbps. The VM network adapter is configured with a reservation of 200 Mbps. What is the VM’s effective bandwidth?___
A. 200 Mbps
B. 100 Mbps
C. 150 Mbps
D. 400 Mbps
【多选题】
What are two reasons why a datastore in a Storage DRS cluster cannot enter maintenance mode?(Choose two.)___
A. Storage latency is too high to allow Storage DRS initiate Storage vMotion.
B. Storage DRS is configured for a VMFS3 datastore.
C. Storage
D. RS is disabled on the virtual disk.
【多选题】
What two methods are used to configure VMware vSphere Storage I/O Control shares and limits? (Choose two.)___
A. Assign shares and limits to VM virtual disks.
B. Assign shares and limits to datastores.
C. Assign shares and limits to Storage (DRS) clusters.
D. Assign shares and limits using VM storage policies.
【多选题】
ESXi 6.5 introduces VMFS6, which supports both 512e and 512n devices. What three configurations are supported when using these devices? (Choose three.) ___
A. Hosts with both 512e and 512n devices.
B. Storage vMotion between both 512e and 512n devices.
C. Datastore Extents spanned between both 512e and 512n devices.
D. Storage DRS clusters containing only both 512e and 512n devices.
【多选题】
A vSphere Administrator observes that the Primary VM configured with Fault Tolerance is executing slowly. After further investigation, it is determined that the Secondary VM is on an overcommitted ESXi host. What two methods will correct the problem? (Choose two.)___
A. Use Storage vMotion to migrate the Secondary VM to another datastore.
B. Use vMotion to migrate the Secondary VM to a different ESXi host.
C. Configure a CPU limit on the Primary VM which will also apply to the Secondary VM.
D. Turn off and turn on FT in order to recreate the Secondary VM on a different datastore.
【多选题】
Which two features require the use of Host Profiles? (Choose two.)___
A. Host Customizations
B. shared storage
C. Auto
D. eploy
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【多选题】
What three processes on the vCenter Server Appliance (VCSA) does“vmware-watchdog monitor? (Choose three.) ___
A. vmware-eam
B. vmcad
C. vmware-vpostgres
D. vpxd
E. vsan-health
【多选题】
Which two statements correctly describe VM-Host affinity rules? (Choose two.) ___
A. When there is more than one VM-Host affinity rule in a vSphere DRS cluster, the rules are applied equally.
B. After creating a VM-Host affinity rule, its ability to function in relation to other rules is predetermined.
C. When there is more than one VM-Host affinity rule in a vSphere
D. RS cluster, the rules will be ranked.
【多选题】
An administrator wants to enable proactive HA by moving virtual machines automatically if a hardware alert is triggered. What are the three required settings? (Choose three.)___
A. Set vSphere DRS Automation to Partially Automated.
B. Turn on Proactive HA.
C. Set the Proactive HA Automation Level to Manual.
D. Set the Proactive HA Automation Level to Automated.
E. Turn on vSphere HA and vSphere DRS.
【多选题】
If vCenter Server 5.5 installation has one or more services deployed remotely, which three services are relocated to vCenter Server 6.5 on upgrade? (Choose three.)___
A. vCenter Inventory Services
B. vSphere Authentication Proxy
C. vSphere Web Client
D. vSphere
E. SXi Dump Collector
【多选题】
What two debugging levels can a virtual machine be configured to? (Choose two.)___
A. Verbose
B. Debugging
C. Statistics
D. Trivia
【多选题】
What are three benefits of using a few large-capacity LUNs instead of many small-capacity LUNs? (Choose three.) ___
A. Better performance because there is less contention for a single volume.
B. More flexibility for resizing virtual disks.
C. Less wasted storage space.
D. More flexibility to create virtual machines without adding new LUNs.
E. Fewer VMFS datastores to manage.
【多选题】
Which two configurable options are available in Boot Options for a virtual machine? (Choose two.)___
A. Tools Upgrades
B. Encryption
C. Firmware
D. Force BIOS setup
【多选题】
Which three VMware-recommended best practices should an administrator follow before upgrading to vSphere 6.5? (Choose three.)___
A. Disconnect ESXi host from vCenter.
B. VMware Tools are installed in the virtual machine.
C. Ensure that the system hardware complies with ESXi requirements.
D. Back up the host.
E. Check the interoperability of any other software integrated with vSphere.
【多选题】
What are two requirements to enable EVC in vSphere DRS cluster? (Choose two.)___
A. CPUs must be from the same vendor.
B. EVC must use the lowest possible baseline supported by the hardware.
C. CPUs must be in the same family and of the same speed.
D. No VMs may be running in the cluster.
【多选题】
What three conditions could result in VMware Flash Read Cache being unable to claim a disk? (Choose three.)___
A. The disk is not listed in the VMware hardware compatibility guide.
B. The disk is not detected as an SSD.
C. The disk is not detected as local.
D. The disk is in use by VMFs.
【多选题】
Boot from SAN is supported on which three storage technologies? (Choose three.)___
A. VMware vSAN
B. FCoE
C. NFS 4.1
D. iSCSI
E. FC
【多选题】
Which two components are part of storage I/O multipathing on ESXi? (Choose two.)___
A. SATP
B. VASA
C. PSP
D. VAAI
【多选题】
Which two statements are true about Highly Available vSphere Auto Deploy infrastructure? (Choose two.)___
A. It helps prevent data loss.
B. It is a prerequisite for using vSphere Auto Deploy with stateful install.
C. It requires two or more Auto
D. eploy servers.
【多选题】
The virtual machine log rotation size can be changed for all VMs by which two interfaces? (Choose two.)___
A. PowerCLI
B. vSphere Web Client
C. ESXi host client
D. esxcli
【多选题】
Which two configuration options can exclude virtual disks from snapshot operations? (Choose two.)___
A. Use RDM in virtual mode for virtual disk.
B. Use virtual disks in Independent – Persistent mode.
C. Use a virtual disk larger than 2 TB in size.
D. Use RDM in physical mode for virtual disk.
【多选题】
Which two storage configurations on the source server are unsupported with VMware Converter? (Choose two.)___
A. Linux LVM
B. software RAID
C. GPT/MBR hybrid disks
D. Windows basic volumes
E. Windows dynamic volumes
【多选题】
Which two statements about vCenter HA are correct? (Choose two.)___
A. ESXi 5.5 or later is required.
B. vCenter HA network latency between nodes must be less than 50 ms.
C. NFS datastore is supported.
D. It must be deployed on a 3
E. SXi host cluster with DRS enabled.
【多选题】
An attempt to delete NFS datastore from a ESXi host returns the error: Sysinfo error on operation returned the following status:< Busy> Which two statements could explain this failure? (Choose two.)___
A. NFS datastore is a part of Storage DRS Cluster.
B. NFS.VolumeRemountFrequency value is set to 30.
C. Storage I/O Control is enabled on NFS datastore.
D. NFS datastore has running or registered virtual machines.
【多选题】
An administrator finds that the Microsoft Exchange virtual machines are exhibiting network latency. What two in-guest changes can help decrease latency? (Choose two.)___
A. LRO
B. TSO
C. SR-IOV
D. PVRDMA
【多选题】
Which two types of iSCSI adapters require VMkernel networking configuration? (Choose two.)___
A. dependent hardware
B. in-guest
C. software
D. independent hardware
【多选题】
Which two statements are true for NFS v4.1 firewall behavior? (Choose two.)___
A. It closes port 2049.
B. It sets allowed. All flag to TRUE.
C. It sets allowed. All flag to FALSE.
D. It opens port 2049.
【多选题】
A vSphere Administrator attempts to enable Fault Tolerance for a virtual machine but receives the following error: Secondary VM could not be powered on as there are no compatible hosts that can accommodate it. What two options could cause this error? (Choose two.)___
A. The other ESXi host(s) are in Maintenance Mode.
B. Hardware virtualization is not enabled on the other ESXi host(s).
C. The other ESXi host(s) are in Quarantine Mode.
D. Hardware MMU is enabled on the other
E. SXi host(s).
【多选题】
Storage capabilities be populated in what two ways? (Choose two.)___
A. The administrator can use tags to describe capabilities.
B. Default capabilities are provided by vCenter Server.
C. Datastores can advertise their capabilities through VAAI.
D. Datastores can advertise their capabilities through VASA.
【多选题】
In network troubleshooting it is important to know what upstream switch the ESXi host is connected to. Which two features does ESXi provide to help identify the upstream switch? (Choose two.)___
A. Promiscuous mode
B. DPM
C. LLDP
D. CDP
【多选题】
Virtual Volumes supports which three VMware features? (Choose three.)___
A. Instant Clones
B. Distributed Resource Scheduler
C. Linked Clones
D. vMotion
E. Storage Distributed Resource Scheduler
【多选题】
vSphere DRS helps to balance virtual machines with available resources in a vSphere cluster. What three types of resources can be taken into account for balancing? (Choose three.)___
A. CPU
B. physical NIC saturation of an ESXi host
C. virtual NIC saturation of a virtual machine
D. RAM
E. storage latency
【多选题】
Which three design requirements must be satisfied to enable RAID-6 objects in a VMware vSAN cluster? (Choose three.)___
A. vSAN Advanced license or higher
B. vSAN stretched cluster
C. at least six hosts contributing storage
D. deduplication and compression
E. all flash configuration
【多选题】
When using "Cluster resource percentage" for host failover capacity in vSphere HA Admission Control, the total resource requirements are calculated from which two values? (Choose two.)___
A. Total vCPUs assigned to each VM.
B. Average CPU usage on each VM over time.
C. Memory reservations on each VM.
D. Total memory assigned to each VM.
E. Average active memory on each VM over time.
F. CPU reservations on each VM.
【多选题】
Which are four attributes of the Active vCenter HA node? (Choose four)___
A. It uses the vCenter HA network to communicate with the Witness node.
B. It constantly replicates vPostgres data with the Witness node.
C. It uses a public IP address for the management interface.
D. It runs the active vCenter Server Appliance instance.
E. It uses the vCenter HA network for replication of data to the Passive node.
F. It provides a quorum to protect against split-brain situations.
【多选题】
Which are two vCenter Server two-factor authentication methods? (Choose two.)___
A. RSA SecurID
B. Smart Card
C. SAML
D. Symantec VIP
【多选题】
An administrator is creating VMkernel adapters on an ESXi 6.5 host and wants to create separate VMkernel adapters for every type of traffic in the default TCP/IP stack. Which three types of traffic can be explicitly enabled on a separate VMkernel adapter? (Choose three.)___
A. Virtual SAN traffic
B. NFS traffic
C. vMotion traffic
D. vSphere HA traffic
E. Fault Tolerance logging traffic
