刷题
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【单选题】
根据受载荷程度,轴可以分为心轴、转轴和___
A. 直轴
B. 支承轴
C. 传动轴
D. 变速轴
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答案
C
解析
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相关试题
【单选题】
轴的作用是___
A. 降低强度
B. 支承零件
C. 降低速度
D. 增加强度
【单选题】
百分表的刻度值为___毫米
A. 0.01
B. 0.02
C. 0.5
D. 0.1
【单选题】
这个题目重复百分表的刻度值为___毫米
A. 0.01
B. 0.02
C. 0.5
D. 0.1
【单选题】
钢尺测量规格有150、200、___和500毫米
A. 1
B. 300
C. 0.5
D. 100
【单选题】
汽车喇叭按纽按下___,松开按纽停止鸣喇叭,否则可能出现故障。
A. 可以启动发动机
B. 喇叭响
C. 可以停熄发动机
D. 可以起步
【单选题】
高层建筑火灾扑救中,第一出动力量按五辆消防车为一战斗编成时,通常可选择重型水罐消防车、高(中)低压泵水罐消防车、___、举高喷射消防车和抢险救援消防车等。
A. 举高消防车
B. 泡沫消防车
C. 排烟消防车
D. 城市主战消防车
【单选题】
核放射探测仪测量使用过程中,应穿着___,做好个人防护。
A. 防化服
B. 隔热服
C. 核生化防护服
D. 战斗服
【单选题】
高层建筑火灾扑救中,第一出动力量按三辆消防车为一战斗编成时,通常可选择高(中)低压泵水罐消防车和两辆中型水罐消防车等。其中一辆中型水罐消防车占据水源,利用___控制火势、掩护救生。
A. 水泵接合器
B. 室内消火栓系统
C. 室外消火栓系统
D. 固定消防设施
【单选题】
下列属于便携危险化学品检测片功能特点的有___。
A. 可在极端高温和低温环境下使用
B. 需要电源
C. 使用前需要校正
D. 需要液体样本比对
【单选题】
下列属于便携危险化学品检测片功能特点的有___。
A. 可在极端高温和低温环境下使用
B. 需要电源
C. 使用前需要校正
D. 需要液体样本比对
【单选题】
海事卫星电话的几种状态中REGISTERING是指___。
A. 设备在查找网络,这个状态的时间可能会很短,用户有可能看不到这个状态;
B. 正在注册到BGAN网络,如果定位不成功,将显示NOGPS,如果这样请重新定位;
C. 设备已经注册到网络,可以进行各种业务;
D. 设备已经连接到计算机;
【单选题】
便携危险化学品检测片可检测强酸、强碱、___、氟气、硫化氢、碘、光气、磷化氢、二氧化硫和氨气。
A. 氯气
B. 氩气
C. 氢气
D. 氧气
【单选题】
电子酸碱测试仪pH值分辨率达___。
A. 0.1
B. 0.2
C. 0.3
D. 0.4
【单选题】
以下关于红外线生命探测仪描述正确的是___。
A. 受温度影响严重
B. 空间传播衰减大
C. 水、冰、泥土阻挡失效
D. 易受环境杂物反射干扰
【单选题】
雷达生命探测仪无法获取___等障碍物后的生命体微动信息。
A. 废墟
B. 砖混结构墙体
C. 墙壁
D. 金属遮挡物
【单选题】
雷达生命探测仪连续工作时间不少于___。
A. 1h
B. 3h
C. 6h
D. 12h
【单选题】
生化洗消装置喷沫量为___。
A. 8㎡/min
B. 15㎡/min
C. 18㎡/min
D. 25㎡/min
【单选题】
暖风发生器用于向洗消站(帐篷)内输送暖风或自然风,实现空气流通,并通过___保持适宜的室内温度。
A. 加湿器
B. 升温器
C. 恒温器
D. 加温器
【单选题】
暖风发生器抽有压力为___。
A. 0.7Mpa
B. 0.8Mpa
C. 0.9MPa
D. 1MPa
【单选题】
一体化消防业务信息系统数据库身份验证模式是___。
A. 独立模式
B. 大集中模式
C. 独立模式和混合模式
D. 混合模式
【单选题】
以我国消防队伍配备的某型公众洗消站为例,操作压力___。
A. 0.02MPa
B. 0.1MPa
C. 0.5MPa
D. 1MPa
【单选题】
以我国消防队伍配备的通用型强酸、碱洗消器,容量为___。
A. 2L
B. 3L
C. 4L
D. 5L
【单选题】
以我国消防队伍配备的通用型强酸、碱洗消器,时效为___。
A. 1-2年
B. 1-3年
C. 1-4年
D. 1-5年
【单选题】
强酸、碱洗消器主动清洗技术可对___硫酸等高浓度化学腐蚀剂的喷溅进行有效清洗。
A. 50%
B. 60%
C. 98%
D. 97%
【单选题】
现场简易通信的主要方法有哪些___。
A. 手势、旗语、哨音、号音、灯光、绳索
B. 方势、旗语、哨音、、灯光、绳索
C. 方势、、哨音、号音、、绳索
D. 手势、旗语、号音、灯光、绳索
【单选题】
游标卡尺共有___格
A. 98
B. 50
C. 100
D. 10
【单选题】
Chlorine/Fluorine中文叫___。
A. 氯/氟
B. 氯/氧
C. 氩/氟
D. 氯/氙
【单选题】
游标卡尺尺身一格为___毫米
A. 1
B. 2
C. 5
D. 0.2
【单选题】
强碱pH>8.5英文叫___。
A. Phosgene
B. Basic (high pH)
C. Ammonia (NH3)
D. Lodine
【单选题】
Acid(low pH)中文叫___。
A. 强酸pH<5
B. 强酸pH=5
C. 强酸pH>5
D. 强酸pH>6
【单选题】
当气瓶压力为3MPa<P<30Mpa,减压器膛室压力为___时,减压器输出流量≥300L/min。
A. 0.3±0.15 Mpa
B. 2.0±0.15 Mpa
C. 1.5±0.15 Mpa
D. 0.7±0.15 Mpa
【单选题】
便携危险化学品检测片使用时间为___。
A. 24h
B. 48h
C. 72h
D. 96h
【单选题】
电绝缘服的耐酸碱能保证___不渗透。
A. 三十分钟内
B. 一小时内
C. 二十分钟内
D. 两小时内
【单选题】
气压制动系统产生制动失效的可能原因为___。
A. 空气压缩机传动带打滑
B. 前轮前束不对称
C. 快放阀排气慢
D. ABS系统失效
【单选题】
转向沉重的原因可能为___。
A. 转向器啮合副间隙过大
B. 转向器啮合副间隙过紧
C. 前束过大
D. 前束过小
【单选题】
电子气象仪的维护保养和注意事项表述不正确的是___。
A. 保持清洁、置于干净阴凉的地方
B. 不用时取出电池,每隔4到5个月取出开机
C. 轻拿轻放、避免仪器接触到水
D. 非专业人员不得使用
【单选题】
视频生命探测仪工作时间大于___。
A. 1h
B. 2h
C. 3h
D. 4h
【单选题】
消防隔热服抗断裂能离不小于___。
A. 600N
B. 550N
C. 500N
D. 450N
【单选题】
点火式发动机判断低压电路故障时,检查分电器断电器触点是否闭合,发现不能闭合,应该___。
A. 更换断电触点
B. 调整断电触点间隙
C. AB均对
D. 以上均不对
【单选题】
救援顶杆主要由手柄、换向手轮、双向液压锁、固定支撑、油缸、活塞杆、移动支撑、高压软管等组成,额定工作压力63MPa,最大撑顶力___,闭合长度475mm,作业覆盖范围475~1325mm。
A. 120KN
B. 110KN
C. 115KN
D. 125KN
推荐试题
【多选题】
Which three features can be enabled for a new host cluster? (Choose three.)___
A. Storage Distributed Resource Scheduling
B. High Availability
C. Fault Tolerance
D. Distributed Resource Scheduling
E. Virtual SAN
【多选题】
An administrator receives a report that no real time statistics are available for a virtual machine in the vCenter Server inventory. Which two statements indicate likely causes of the problem? (Choose two.)___
A. The virtual machine is powered off.
B. The host containing the virtual machine is disconnected from vCenter Server.
C. There is insufficient real time data to display the information.
D. The vCenter Server service is not running.
【多选题】
Your manager has given you a bash script that retrieves data for ESXi 6.x host configurations. This data needs to be collected right after the installation of a host and must be run directly on the host. Which two actions can be used to run this script on an ESXi host? (Choose two.)___
A. Connect to the host with Ruby vSphere Console and run the script from there.
B. Enable SSH access from the Direct Console User Interface.
C. Enable the ESXi Shell from the
D. irect Console User Interface.
【多选题】
Which two are true about the Risk badge in vRealize Operations? (Choose two.)___
A. The Risk badge indicates potential future problems that may degrade the performance of the system.
B. Risks may require attention in the near future.
C. The Risk badge indicates problems that are degrading performance of the system.
D. Risks require attention now to correct system performance problems.
【多选题】
vSphere Update Manager allows which two virtual machine attributes to be upgraded? (Choose two.)___
A. Virtual machine firewall policies for NSX.
B. Software Packages in the virtual machine.
C. Virtual machine Hardware Version.
D. VMware Tools Upgrade.
【多选题】
What are two benefits of using NFS 4.1 with vSphere 6.x as compared to NFS 3? (Choose two.)___
A. NFS 4.1 supports Kerberos Authentication
B. NFS 4.1 supports multipathing
C. NFS 4.1 supports IPv6
D. NFS 4.1 supports hardware acceleration
【多选题】
Which three statements are true regarding Fault Tolerance? (Choose three.)___
A. Applications need to be continuously available to users.
B. Applications without native clustering capabilities can be protected.
C. Custom clustering solutions are complicated to configure and maintain.
D. Applications that have 16 vCPUs are supported.
E. Prevents application crashes by analyzing the workload and correcting problems.
【多选题】
Which two statements are true regarding VMware vSphere Flash Read Cache (vFRC)? (Choose two.)___
A. Cache fills and cache evictions happen in the granularity of a cache block size.
B. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying storage.
C. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying cache data.
D. Cache fills and cache evictions happen in the granularity of the disk block size.
【多选题】
What are two possible causes of Storage Distributed Resource Scheduler (SDRS) being disabled on one or more virtual machine disks in a datastore cluster? (Choose two.)___
A. The virtual machine has vSphere Fault Tolerance disabled.
B. The virtual machine is a template.
C. The virtual machine swap file is on a shared datastore.
D. The disk is a CD-ROM/ISO file.
【多选题】
An administrator attempts to install vCenter Single Sign-On Server. The installer returns an error message indicating that the installation failed. Prior to the installation, all setup prerequisites were met. The administrator has generated a vCenter Server Single Sign-On support bundle. Which two files should the administrator analyze to determine the cause of the failure? (Choose two.)___
A. Server\utils\logs\imsTrace.log
B. Server\utils\logs\install.txt
C. %TEMP%\utils\logs\vminst.log
D. %TEMP%\vminst.log
【多选题】
An administrator is unable to remove an ESXi 6.x host from a vSphere Distributed Switch. What are two likely reasons for this issue? (Choose two.)___
A. Vmkernel interfaces on the switch are still in use.
B. VM Network port group adapters are connected to different switch.
C. Physical NICs are migrated to different switch.
D. VM Network adapters are connected to this switch.
【多选题】
Which two Identity Sources are available to add for vCenter Single Sign-On authentication? (Choose two.)___
A. LocalOS
B. OpenLDAP
C. NIS as an LDAP Server
D. VCMSDS
【多选题】
What are three goals of resource management within a cluster? (Choose three.)___
A. To prevent virtual machines from monopolizing resources and to guarantee predictable service rates.
B. To exploit undercommitted resources and overcommit with graceful degradation.
C. To provide solutions to potential problems that you might encounter when using vCenter Server.
D. To control the relative importance of virtual machines and provide flexible dynamic partitioning.
E. To provide additional network administration capabilities.
【多选题】
Which three actions can be taken as a result of executing the vSphere Update Manager 6.x scan and remediation wizards? (Choose three.)___
A. Install and upgrade software in virtual machines.
B. Upgrade the firmware on ESXi host devices.
C. Upgrade and Patch ESXi hosts.
D. Install and update third-party software on hosts.
E. Upgrade virtual machine hardware.
【多选题】
Which two statements are true about deploying and using vSphere Replication? (Choose two.)___
A. ESXi hosts managed by a single vCenter Server instance require a connection between the two vSphere Replication appliances.
B. Sites managed by different vCenter Server instances require a connection between the two vSphere Replication appliances.
C. Sites managed by different vCenter Server instances require the use of Site Recovery Manager and a connection between the two vSphere Replication appliances.
D. ESXi hosts managed by a single vCenter Server instance require a single vSphere Replication appliance.
【多选题】
An administrator is attempting to power on a virtual machine, but the task is hanging at 95%. What three scenarios best explain why this problem is happening? (Choose three.)___
A. A virtual machine question is currently being posed to the administrator.
B. Another task for the virtual machine or other component is already in progress.
C. The VMware High Availability cluster has insufficient resources to guarantee failover.
D. The host has lost access to the storage device containing the virtual machine files.
E. The host is under resource contention and unable to power on the virtual machine.
【多选题】
Which three features are not supported when using Fault Tolerance in vSphere 6.x? (Choose three.)___
A. Virtual Volumes (VVOLS)
B. Storage vMotion
C. Virtual Machine Component Protection
D. vMotion
E. vSphere Distributed Switches
【多选题】
Which two storage controller configurations can be used with Virtual SAN? (Choose two.)___
A. SAS controllers in Passthrough mode
B. SAS controllers in RAID0 mode
C. SAS controllers in RAID1 mode
D. SAS controllers in RAID10 mode
【多选题】
Which three are requirements when using vMotion to move a virtual machine across vCenter Server systems? (Choose three.)___
A. Both vCenter Servers must be using Enhanced Linked Mode.
B. Both vCenter Servers must be in the same Single Sign-On Domain.
C. Time must be synchronized.
D. Duplicate VM MAC addresses must be configured.
E. Both vCenter Servers must have High Availability enabled on source and destination clusters.
【多选题】
Which two components can be used when configuring Enhanced Linked Mode? (Choose two.)___
A. vCenter Server Appliance
B. vRealize Operations Manager
C. vSphere Management Appliance
D. vCenter Server for Windows
【多选题】
An organization has a number of virtual machines that would benefit from Fault Tolerance. These include: <A single vCPU Apache Server> < A dual vCPU vCenter Server> < A quad vCPU SQL Server> <An eight vCPU Hadoop Server>. Which two virtual machines can be configured to use VMware Fault Tolerance? (Choose two.)___
A. Apache Server
B. vCenter Server
C. SQL Server
D. Hadoop Server
【多选题】
Which two badges are major badges in vRealize Operations? (Choose two.)___
A. Risk
B. Efficency
C. Workload
D. Faults
【多选题】
An administrator is deploying multiple Windows 2003 Virtual Machines from the same template. What two steps should be taken to avoid network conflicts? (Choose two.)___
A. Customize the guest operating system.
B. Install VMware Tools into the new virtual machines.
C. Copy the Microsoft Sysprep tools onto the vCenter Server system.
D. Ensure the e1000 vmnic is selected for each new virtual machine.
【多选题】
Which three conditions would prevent Storage I/O Control from being enabled on a group of datastores? (Choose three.)___
A. The datastores planned for the solution are used by different vSphere clusters.
B. A datastore planned for the solution is configured as a Raw Device Mapping file.
C. A datastore planned for the solution has three extents.
D. A datastore planned for the solution is configured as NFS.
E. The organization has an Enterprise license.
【多选题】
Which two actions are prerequisites to adding ESXi 6.x hosts to a vSphere Distributed Switch? (Choose two.)___
A. Verify that there is at least one Distributed Port Group on the Distributed Switch.
B. Verify that the Distributed Port Group have active uplinks configured in its teaming and failover policy.
C. Verify that the
D. istributed Switch has been configured with a Network Profile.
【多选题】
An organization has configured Distributed Power Management (DPM) on a vSphere 6 cluster. The organization wants to be alerted when an ESXi host has been powered down by DPM. Which two options represent the type and name of the alarm that would accomplish this? (Choose two.)___
A. DrsEnteringStandbyModeEvent
B. DrsEnteredStandbyModeEvent
C. Event-based
D. Condition-based
【多选题】
Which two allow for the disabling of Network Rollback operations? (Choose two.)___
A. Modifying the vpxd advanded configuration options and adding the config.vpxd.network.rollback key
B. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the<rollback> xml tag
C. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the <networkrollback> xml tag
D. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\firstboot\vpxd-service- spec.prop file and adjusting the <rollback> xml tag
【多选题】
An administrator is tasked with performing a vMotion migration of a virtual machine. The virtual machine is configured as follows: <vSphere Flash Read Cache (vFRC) enabled> <Is part of a Distributed Resource Cluster (DRS) Cluster> Which two statements are true? (Choose two.)___
A. Each ESXi host in the cluster supports multiple virtual flash resources.
B. Each ESXi host in the cluster supports one virtual flash resource.
C. DRS treats powered-on virtual machines with Flash Read Cache as having a preferred affinity to their current host and moves them only for mandatory reasons.
D. DRS treats powered-on virtual machines with Flash Read Cache as having a required affinity to their current host and does not move them.
【多选题】
An administrator is using the Host Failures to Tolerate Admission Control Policy for a vSphere High Availability ___ cluster. When configuring this setting on the cluster, the administrator sees this error message: <Insufficient resources to satisfy HA failover level on cluster > What are two likely causes for the error? (Choose two.)(AB)
A. The hosts in the cluster are disconnected.
B. A host in the cluster is displaying an HA error.
C.
D. istributed Resource Scheduler has not been configured on the cluster.
【多选题】
What are two ways to identify TCP/IP stack information? (Choose two.)___
A. Using the vSphere Web Client
B. Using esxcli network ip netstack
C. Using esxcfg-netstack
D. Using the vSphere Client
【多选题】
Which two actions are required when enabling vFlash Read Cache for a virtual machine's virtual disk? (Choose two.)___
A. A value in the Virtual Flash Read Cache text box must be entered.
B. A Flash Resource Pool for Cache size reservation must be entered.
C. The Device backing and the block size must be configured.
D. The
E. nable virtual flash host swap cache check box must be selected.
【多选题】
What two IT infrastructure components are virtualized by vSphere Essentials? (Choose two.)___
A. Networks
B. Applications
C. Storage
D. Management
【多选题】
When attempting to access a virtual machine, an administrator is unable to login using the vSphere credentials. What two options are probable causes of the authentication failure? (Choose two.)___
A. The vSphere credentials have not been granted permissions.
B. The vSphere credentials are granted read-only permissions.
C. The vSphere credentials are granted no-access permissions.
D. The vSphere credentials are not a member of the local administrator group.
【多选题】
An administrator is performing a scripted installation of ESXi 6.x. In which three locations does the script need to be? (Choose three.)___
A. PXE Server
B. HTTPS
C. FTP
D. NFS
E. VVOLs Datastore
【多选题】
In order for a company to meet regulatory requirements, all ESXi 6.x Hosts must be configured to direct logs to a syslog server. What are two ways ESXi hosts can configured for this action? (Choose two)___
A. Use the esxcli system syslog command.
B. Edit them in the ESXi host Advanced System Settings.
C. From the Syslog collector user interface of the Web Client.
D. Syslog logging is not available for
E. SXi Hosts.
【多选题】
Which three actions can be executed when an alarm is triggered? (Choose three.)___
A. Send an email.
B. Send an SNMP trap.
C. Run a script or command.
D. Run an Orchestrator workflow.
E. Send a trigger to syslog.
【多选题】
An administrator is attempting to power on a virtual machine, but is unable to do so. Which two reasons are probable causes of the failure? (Choose two.)___
A. Storage access to the virtual machine swap file has been lost.
B. One of the virtual machine VMDK files is locked.
C. Virtual machine is running CentOS 7.0 64-bit.
D. Virtual machine has Hyper-Threading enabled.
【多选题】
An administrator has configured a host profile so that ESXi 6.x hosts will point to the corporate NTP server for time synchronization. The NTP server is located at 10.0.30.213, but time has not been synchronized properly across the ESXi hosts. The administrator reviews Host Profile settings as shown in the Exhibit. Which two steps are required to resolve the issue? (Choose two.)___
A. Correct the NTP server IP address.
B. Check the host for host profile compliance.
C. Remediate the host based on the updated host profile.
D. Change the NTP server to the FQDN as IP Addresses are not supported.
【多选题】
An administrator is attempting to migrate a large Hadoop virtual machine using vMotion. The administrator notices a delay when the machine is quiesced. The Hadoop virtual machine is processing many transactions a second to an in-memory database. Which two actions would help reduce the amount of time needed to perform a vMotion on this virtual machine? (Choose two.)___
A. Use multiple NICs for the vMotion vmkernel port.
B. Use a 10Gbps Network card for the vMotion vmkernel port.
C. Add an additional management network to help transmit the data quicker.
D. Disable Fault Tolerance before performing the vMotion.
【多选题】
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)___
A. Maintenance mode is unable to migrate all virtual machines from the host.
B. There is a large number of virtual machines that must be migrated from the host.
C. VMware High Availability is in the process of reconfiguring the cluster.
D. Each virtual machine on the
E. SXi host must be reconfigured to recognize the new adapter.
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