相关试题
【单选题】
塔机的任何部位与输电线路的距离不得小于___m。
【单选题】
下列对物料提升机使用的叙述，___是正确的。
A. 只准运送物料，严禁载人上下
B. 一般情况下不准载人上下，遇有紧急情况可以载人上下
C. 安全管理人员检查时可以乘坐吊篮上下
D. 维修人员可以乘坐吊篮上下
【单选题】
《井架及龙门架物料提升机安全技术规范》规定，物料提升机的额定载重量为___。
A. 3000kg以上
B. 1500kg以下
C. 2000kg以下
D. 2000kg以上
【单选题】
物料提升机按结构形式分类，分为___。
A. 龙门架式和井架式
B. 上回转式和下回转式
C. 高架和低架
D. 行走式和固定式
【单选题】
物料提升机的天梁应使用型钢，其截面高度应经计算确定，但不得少于2根___的槽钢。
A. [10
B. [12
C. [14
D. [16
【单选题】
下列哪个是安装在物料提升机吊笼上沿导轨运行，可防止吊笼运行中偏移或摆动，保证吊笼垂直上下运行的装置?___
【单选题】
超过___高的塔机，必须在起重机的最高部位(臂架、塔帽或人字架顶端)安装红色障碍指示灯，并保证供电不受停机影响。
A. 20m
B. 30m
C. 40m
D. 50m
【单选题】
物料提升机的基础浇筑C20混凝土，厚度不得小于___。
A. 150mm
B. 250mm
C. 350mm
D. 300mm
【单选题】
起升钢丝绳在放出最大工作长度后，卷筒上的钢丝绳至少保留___。
【单选题】
多塔作业时，处于高位的塔机(吊钩升至最高点)与低位塔机的垂直距离在任何情况下不得小于___m。
【单选题】
物料提升机基础周边___m范围内不得挖排水沟?。
【单选题】
小型锅炉的容量___；中型锅炉；大型锅炉。
A. 20t／h以下
B. 20~30t／h
C. 30~65t／h
D. 65t／h以上
【单选题】
中压锅炉的压力—般在___。
A. 0.1~1.47MPa
B. 1.57~5.9MPa
C. 5.9~13.7MPa
D. 大于13.7MPa
【单选题】
锅炉结构主要由___、水冷壁、集箱、对流管束、烟火管等受压部件及其他部件组成。
【单选题】
以下不属于锅炉附属设备的是___。
A. 过热器
B. 省煤器
C. 给水设备
D. 烟火管
【单选题】
立式直水管锅炉，由锅壳、炉胆、上下管板、直水管等主要___组成。
A. 结构
B. 部件
C. 附属设备
D. 承压件
【单选题】
锅炉主要受压部件中起汇集、贮存、净化蒸汽和补充给水作用的是___。
A. 水冷壁
B. 对流管束
C. 锅筒
D. 集箱
【单选题】
结构简单、紧凑、易于移动安装和检修，对水质要求不太高是___锅炉的特点。
A. 卧式锅壳式
B. 立式锅壳式锅炉
C. 单锅筒横置式
D. 双锅筒横置式
【单选题】
为了保证锅炉燃烧过程的正常进行，空气需要不断地被送入___内，并及时将燃烧产生的烟气引至炉外，所用设备为鼓风机和引风机。
A. 烟火管
B. 炉膛
C. 对流管束
D. 集箱
【单选题】
下列不属于按壳体几何形状分的是___。
A. 球形容器
B. 圆筒形容器
C. 圆锥形容器
D. 厚壁容器
【单选题】
属于中压容器的压力值为___。
A. P=0.1~1.6MPa
B. P=I.6~10MPa
C. P=10~100MPa
D. P≥100MPa
【单选题】
压力容器的最高工作压力大于或者等于___。
A. 0.01MPa
B. 0.05MPa
C. 10kPa
D. 0.1MPa
【单选题】
按工作温度分，属于低温容器的温度是___。
A. 大于350℃
B. -20~350℃
C. -20~50℃
D. 低于-20℃
【单选题】
下列不属于第二类压力容器的是___。
A. 中压容器
B. 低压管壳式余热锅炉
C. 存贮毒性程度为极度和高度危害介质的低压容
D. 中压搪玻璃压力容器
【单选题】
下列不属于按制造方法分的有___
A. 钢制容器
B. 锻造容器
C. 铆接容器
D. 焊接容器
【单选题】
压力容器的结构比较简单，它主要是由一个能够承受压力的___和其他必要的连接件和密封件组成。
【单选题】
以下压力表除___外，均应停止使用。
A. 表内弹簧管泄漏或指针松动的压力表
B. 没有限止钉的压力表，在无压力时，指针距零位的数值超过压力表的允许误差
C. 有限止钉的压力表，在无压力时，指针能回到限止钉处
D. 封印损坏或超过校验有效期的压力表
【单选题】
锅炉上装设的安全泄压装置是___。；
A. 安全阀
B. 易熔塞
C. 防爆片
D. 防爆帽
【单选题】
水位计是锅炉上主要___之一。
A. 附属设备
B. 安全装置
C. 部件
D. 结构
【单选题】
锅炉与压力容器使用的压力表一般都是___，而且大都是单弹簧管式压力表。
A. 有液柱式
B. 电接点式
C. 弹性元件式
D. 活塞式
【单选题】
锅炉与墙壁之间至少留有___的间距。
A. 20cm
B. 30cm
C. 50cm
D. 70cm
【单选题】
锅炉房内___备有防火砂箱(袋)或化学灭火剂。
A. 不配
B. 必须
C. 无所谓
D. 视情况
【单选题】
因为它要承受较高的压力，需要较厚的___。
A. 防爆片
B. 密封件
C. 壳壁
D. 法兰
【单选题】
对流管束又称对流排管，是由外径38-51mm的许多___组成。置于上下锅筒之间，是水管锅炉的主要受热面。
A. 无缝钢管
B. 铁皮卷制
C. 焊接钢管
D. 脚手架钢管
【单选题】
冬季液化石油气瓶严禁火烤和沸水加热，只可用___加热。
A. 60℃以下温水
B. 80℃以上开水
C. 40℃以上温水
D. 40℃以下温水
【单选题】
锅炉房屋顶不准用___。
A. 简易油毡屋顶
B. 瓦楞铁
C. 石棉板
D. 以上都是
【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
推荐试题
【单选题】
When attempting to migrate a virtual machine to another host in the same cluster, the error message, “Select a valid compute resource” returns. What could cause this error?___
A. Both hosts run different versions of ESXi.
B. Both hosts are not sharing the same datastore.
C. VMware Tools is not installed.
D. Virtual machine has an ISO attached.
【单选题】
When will vSphere Data Protection delete the expired backup image of a Platform Service Controller?___
A. Immediately after the retention period has expired.
B. After the expired backup image is restored.
C. During the next backup window following expiry.
D. During the next maintenance window following expiry.
【单选题】
Group A has permission to download files in Content Library. Group B does not have permission to download files in Content Library. If a user is a member of both groups, what will be the result?___
A. The user cannot download file from Content Library.
B. The user can download file from Content Library.
C. The user cannot access Content Library.
D. The user can access Content Library.
【单选题】
An administrator is trying to set up Host Partial Failure Response, but the Automated option is grayed out. What can the administrator change to enable the Automated option?___
A. Change the vSphere DRS Automation level to Partially Automated.
B. Change the vSphere DRS Automation level to Fully Automated.
C. Enable vSphere HA Host Monitoring.
D. Change the vSphere DPM Automation level to Automatic.
【单选题】
When you attempt to open a virtual machine console from the vSphere Web Client, the console does not connect. The following error message appears:<HTTP ERROR 404> <Problem accessin/.Reason: Not Found>. Why did not connect?___
A. Port 443 is in use.
B. Port 9443 is in use.
C. Port 8443 is in use.
D. Port 22443 is in use.
【单选题】
What new feature was introduced to the Content Library in vSphere 6.5?___
A. Mount an ISO directly from the Content Library.
B. Deploy a virtual machine from an OVF Package in a Content Library.
C. Upload a File from a URL to a Library Item.
D. Upload a File from a Local System to a Library Item.
【单选题】
How can an administrator exclude Encryption rights from a support engineer?___
A. Clone the role Virtual machine power user, remove Cryptographic operations privileges.
B. Clone the role Administrator and assign to the support engineer.
C. Clone the role Virtual machine power user and assign to the support engineer.
D. Clone the role No cryptography administrator and select privileges only for the support engineer.
【单选题】
The administrator must back up a vCenter HA deployment. Which component must be backed up?___
A. Passive node
B. Witness node
C. External database
D. Active node
【单选题】
What is the supported protocol to perform remote L3 traffic monitoring in vSphere 6.5?___
A. VXLAN
B. ERSPAN
C. RSPAN
D. SPAN
【单选题】
What are the minimum hardware requirements for a Windows vCenter Server with embedded PSC that manages a “Small” environment?___
A. 2vCPUs, 16 GB RAM
B. 4 vCPUs, 16 GB RAM
C. 2 vCPUs, 10 GB RAM
D. 4 vCPUs, 10 GB RAM
【单选题】
Which port is used for communication between ESXi and vSphere Data protection?___
A. 80
B. 443
C. 902
D. 22
【单选题】
What can prevent Storage DRS from functioning on a datastore?___
A. The datastore is configured for Virtual Machine Swapfile location.
B. The datastore is shared across multiple datacenters.
C. The datastore is connected to a host that is running Storage I/O Control.
D. Storage DRS advanced option IgnoreAffinityRulesForMaintenance is set to 1.
【单选题】
When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
A. Verbose
B. Trivia
C. Info
D. Error
【单选题】
What new feature is introduced in NFS 4.1 on ESXi 6.5?___
A. IPv6
B. KRB5i
C. AUTH_SYS
D. Storage DRS
【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
A. cupid.coresPerSocket
B. numa.vcpu.followcorespersocket
C. numa.vcpu.maxPerVirtualNode
D. numa.vcpu.min
【单选题】
What is the minimum disk space required to deploy vSphere Data Protection (VDP) with 8 TB configuration?___
A. 4 TB
B. 16 TB
C. 8 TB
D. 12 TB
【单选题】
What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
A. das.maxterminates
B. das.isolationshutdowntimeout
C. das.maxresets
D. fdm.isolationpolicydelaysec
【单选题】
What vSphere technology enables the administrator to ensure consistent configuration at scale?___
A. PowerCLI
B. Host Profiles
C. esxcli
D. vSphere Web Client
【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
B. 8182
C. 22
D. 902
【单选题】
Which log file would assist in identifying an issue that occurred during the database export phase of a vCenter Server upgrade process?___
A. vcdb_import.out
B. export.json
C. export-upgrade-runner.log
D. vcdb_export.out
【单选题】
Bidirectional CHAP is support by which storage initiator?___
A. software FCoE HBA
B. Fibre Channel HBA
C. independent hardware iSCSI HBA
D. dependent hardware iSCSI HBA
【单选题】
What is a pool of raw storage capacity that a storage system can provide to Virtual Volumes?___
A. protocol endpoint
B. storage container
C. storage provider
D. datastore
【单选题】
vSphere 6.5 DRS is now Network-Aware. Based on network utilization, when will DRS balance VMs?___
A. DRS will balance VMs when a network resource pool is configured for VMs.
B. DRS will balance VMs when Network I/O Control is enabled.
C. DRS will place VMs on initial boot for hosts that have network utilization lower that the threshold.
D. DRS will vMotion VMs when network utilization is higher than the threshold on a particular host.
【单选题】
A scripted upgrade of ESXi fails due to an incorrect parameter in the upgrade script. What file must the administrator modify to correct the problem?___
A. vmreconfig.pl
B. hostinfo.pl
C. ks.cfg
D. boot.cfg
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machine VM2. If a user is a member of group A and B, what action can the user perform?___
A. Suspend VM2.
B. Power off VM1.
C. Power on and power off VM1.
D. Power on and power off VM2.
【单选题】
The networking team has requested to have a dedicated network for iSCSI traffic. This task has been assigned to the vSphere Administrator. What is the VMware-recommended way to accomplish this?___
A. Configure Static Routes on each ESXi Server.
B. Configure the right subnet.
C. Create a custom IP Stack.
D. Define a dedicated gateway for the iSCSI vmkernel.
【单选题】
To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
A. ESXi Hosts
B. virtual machines
C. datastores
D. vCenter Server
【单选题】
What is the command for updating an ESXi host?___
A. esxcli software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
B. esxupdate software update –d”/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
C. esxcli software update –d “/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
D. esxupdate software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
【单选题】
A vSphere Administrator would like to identify which physical NUMA node their virtual machine is currently residing on. What esxtop metric would provide this information?___
A. GST_ND[x]
B. OVD_ND[x]
C. NRMEM
D. NHN
【单选题】
How can a vSphere administrator ensure that two virtual machines never run on the same datastore in a datastore cluster, while permitting the VMs to be load-balanced?___
A. Use an Intra-VM Anti-Affinity Rule.
B. Configure a storage DRS VM override.
C. Disable storage
D. RS for the VMs.
【单选题】
What is the VMware-recommended way to move a physical adapter out of Network I/O Control’s scope?___
A. Set the teaming policy to “Route Based on Physical NIC Load.”
B. Add the vmnic to the Net.NetNiocAllowOverCommit parameter in Advanced System Settings.
C. Add the vmnic to the Net.IOControlPnicOptOut parameter in Advanced System Settings.
D. Move the vmnic to a different vmUplink port on the Distributed Switch.
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machines, defined on the VM folder and its children. If a user is a member of Groups A and B, what will be the user’s effective permission on VM1 and VM2?___
A. Power on
B. Power off.
C. Power on and Power off.
D. Reset.
【单选题】
Group 1 is granted console interaction on a VM folder. User 1 is granted no console interaction on the same VM folder. What will be the outcome if User 1 tries to access the console of a virtual machine?___
A. User 1 will not be able to access the virtual machines in the VM folder.
B. User 1 will not have access to the virtual machine console.
C. User 1 will have access to the virtual machine console.
D. User 1 will have console access only via the vSphere Web Client.
【单选题】
Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___
A. VMFS3 datastores can be used but not created.
B. VMFS3 datastores can be neither used nor created.
C. VMFS3 datastores will be present but unmounted.
D. VMFS3 datastores can be created and used.
【单选题】
In the Exhibit, each VM has a 1GHz non-expandable reservation. If all VMs are powered on in sequence, what would be the outcome?___
A. VM4 cannot be powered on.
B. VM5 cannot be powered on.
C. VM6 cannot be powered on.
D. VM3 cannot be powered on.
【单选题】
vSphere 6.5 introduced MAClearning capabilities for VMware’s virtual switches. What three benefits will it provide? (Choose three.)___
A. Reduced memory consumption.
B. Reduced consumption of extra CPU cycles.
C. Increased network throughput.
D. Prevent packet flooding inside the vSwitch.
【单选题】
What is the default pathing policy for most active-active arrays?___
A. Fixed
B. Most Recently Used
C. Dynamic
D. isk Morroring
【单选题】
Which command will show the iSCSI sessions on a ESXi 6.5 host?___
A. esxcli storage iscsi session get
B. esxcli iscsi session get
C. esxcli storage iscsi session
D. esxcli iscsi session list
【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.
