【单选题】
导曲线可根据需要设置6mm的超高，并在导曲线范围内按不大于___‰顺坡。
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【单选题】
道岔辙叉部分查照间隔和护背距离应控制在___mm、(D)mm之间比较合适。
A. 1390～1393 1346～1348
B. 1391～1394 1345～1348
C. 1390～1394 1346～1348
D. 1391～1394 1346～1348
【单选题】
辙叉轮缘槽检查时标准宽度为___mm,容许误差为+3、-1mm。
【单选题】
辙叉护轨平直段轮缘槽检查时标准宽度为___mm，容许误差为+3、-1mm。
【单选题】
尖轨非工作边与基本轨工作边的最小距离为___mm，容许误差为-2mm。
【单选题】
护轨轮缘槽和辙叉轮缘槽宽度之和应不小于___mm。
【单选题】
钢轨伤损分为___三类。
A. 轻伤、重伤和折断
B. 微伤、轻伤和重伤
C. 微伤、重伤和折断
D. 中伤、重伤和折断
【单选题】
辙叉伤损分___两类。
A. 轻伤和折断
B. 微伤和重伤
C. 轻伤和重伤
D. 轻伤和折断
【单选题】
侧面磨耗在钢轨踏面（按标准断面）下___mm处测量。
【单选题】
钢轨顶面擦伤深度超过___mm为钢轨重伤
【单选题】
钢轨顶面上有长大于___mm，深大于10mm的掉块为钢轨折断标准之一。
【单选题】
轨头下颏透锈长度超过___mm为钢轨重伤标准之一。
【单选题】
轨头下颏透锈长度不超过___mm为钢轨轻伤标准之一
【单选题】
轨端或轨顶面剥落掉块，其长度超过___mm，深度超过(B)mm，为钢轨轻伤。
A. 30 4
B. 15 4
C. 30 8
D. 15 8
【单选题】
轨端或轨顶面剥落掉块，其长度超过___mm，深度超过(C)mm，为钢轨重伤标准之一。
A. 30 4
B. 15 4
C. 30 8
D. 15 8
【单选题】
高锰钢整铸辙叉轻伤标准为辙叉心宽40mm断面处，辙叉心垂直磨耗（不含翼轨加高部分），50kg/m及以下钢轨，在正线上超过___mm断面。
【单选题】
辙叉心、辙叉翼轨面剥落掉块，长度超过___mm，深度超过(D)mm,为高锰钢整铸辙叉轻伤标准。
A. 10 5
B. 10 3
C. 15 5
D. 15 3
【单选题】
辙叉心、辙叉翼轨面剥落掉块，长度超过___mm，深度超过(A)mm，为高锰钢整铸辙叉重伤标准。
A. 30 6
B. 30 3
C. 15 6
D. 15 3
【单选题】
基本轨垂直磨耗，60kg/m及以上钢轨，在正线、试车线上超过___mm，在其他线上超过(B)mm，应及时修理或更换。
A. 8 12
B. 8 11
C. 10 12
D. 10 11
【单选题】
基本轨垂直磨耗，50kg/m及以下钢轨，在正线、试车线上超过___mm，在其他线上超过(C)mm，应及时修理或更换。
A. 8 12
B. 8 10
C. 6 10
D. 6 12
【单选题】
滑床板损坏、变形或滑床台磨耗大于___mm，应及时修理或更换。
【单选题】
尖轨尖至第一牵引点（分动外锁闭）或者连接杆（联动内锁闭）处，尖轨侧面磨耗达到___mm，可有计划进行更换。
【单选题】
第一牵引点（分动外锁闭）或者连接杆（联动内锁闭）之后，尖轨侧面磨耗达到___mm，可有计划进行更换。
【单选题】
巡查时应严格执行工务中心编制的巡查图巡查（如遇作业令冲突时，以作业令为主进行适当调整），以___左右的速度全面查看道岔，重点部位应细查慢看。
【单选题】
岔枕失效标准之一是机械磨损，经削平或除去腐朽木质后，其厚度不足___mm
【单选题】
车辆段、停车场所有道岔___巡查一遍。
A. 每周
B. 每半个月
C. 每月
D. 每两个月
【单选题】
尖轨尖端至尖轨跟前后5米内，冰雪必须低于轨顶面___cm，并距左右基本轨外侧60cm。
【单选题】
钢轨接头轨面或内侧错牙不得大于___mm。
【单选题】
轨端肥边大于___mm时，应及时处理。
【单选题】
波浪型磨耗谷深大于___mm时，应进行打磨。
【单选题】
工长每月不少于___次对道岔经常保养作业质量进行全面自查回检和现场复核.
【单选题】
专业工程师每季度不少于___次对各工班管内道岔经常保养作业质量进行全面检查，针对存在问题应以整改通知单的形式下发责任工班，并复核整改情况形成闭环。
【单选题】
工长每月不少于___次对道岔维修作业质量进行全面自查回检和现场复核。
【单选题】
专业工程师每___不少于1次对各工班管内道岔维修质量进行全面检查
【单选题】
不合格道岔整修后，在___分及以上者，可评为合格。
【单选题】
60kg/m钢轨9号单开道岔___顶铁处冰雪必须彻底清除干净，保障该处尖轨内侧不得遗留冰雪。
A. 第一
B. 第二
C. 第一、第二
D. 第二、第三
【单选题】
轨道线路施工作业时需在施工区域前后___米范围设置1盏红闪灯。
A. 30m
B. 40m
C. 50m
D. 60m
【单选题】
拨道操作过程中，非操作作业人员应确保远离拨道机至少___米安全距离。
A. 0.5m
B. 1m
C. 1.5m
D. 2m
【单选题】
两线间材料的堆高不得超过轨面___。
A. 200mm
B. 250mm
C. 300mm
D. 350mm
【单选题】
车辆段场线碎石道床顶面宽度是___。
A. 2.7m
B. 2.8m
C. 2.9m
D. 3.0m
【单选题】
碎石道床顶面（以轨底处为准）应低于轨枕顶面___。
A. 15~20mm
B. 20~25mm
C. 25~30mm
D. 30~35mm
推荐试题
【判断题】
为实现电动机连续正转运行需采用具有接触器自锁的控制线路和手动正转控制回路
【判断题】
在修理带传动机构时，发现带轮孔超差额0.08mm，造成配合过松，一般可用镀铬法来加大轴颈尺寸
【判断题】
用经纬仪和平行光管测量机床转台分度误差时，应用专用心轴配装在转台中心孔中将经纬仪和心轴紧固联接在一起
【判断题】
采用双螺母螺纹式调整滚珠丝杠轴向间隙的方法结构紧凑，调整方便，应用广泛
【判断题】
若自准直仪上读数鼓轮每格角值分度值为1"，则其线值分度值可用0.05mm/m表示
【判断题】
所有的紫色酒精，在 1 米内不准点有明火，不准放在暖气片上
【判断题】
固定式装配适用于单件和小批量模具的装配，以及装配精度要求较高，需要调整的部位较多的装配
【判断题】
我国对企业发生的事故，坚持“四不放过”原则进行处理
【判断题】
在机械设备中，凸轮表面误差将会引起扭转振动
【单选题】
What happens to the status of users already logged into ESXi Shell when a vSphere administrator enables lockdown mode?___
A. Users remain logged in and can run commands, except to disable lockdown mode.
B. Users remain logged in and can run commands, including disabling lockdown mode.
C. Users are immediately logged out of ESXi Shell.
D. Users are logged out after a timeout specified by the vSphere administrator.
【单选题】
What is the effective vSphere licensing level during the 60 day evaluation period?___
A. vSphere Foundation Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
To comply with security requirements, an administrator with a vCenter Server Appliance needs to force logoff of the vSphere web client after 10 minutes of inactivity.What should the administrator do to meet the requirement?___
A. Edit: /var/lib/vmware/vsphere-client/webclient.properties, modify session.timeout=10
B. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=600
C. Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=600
D. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=10
【单选题】
An administrator enables High Availability (HA) on a Virtual SAN cluster.Which network is used for HA Network Heatbeat configuration?___
A. The Management network.
B. The vMotion network.
C. The Virtual SAN network.
D. The Provisioning Traffic network.
【单选题】
A user wants to monitor a business-critical virtual machine to ensure that it doesn't run out of resources. What metric could be monitored in vRealize Operations to address this concern?___
A. Time Remaining badge
B. Compliance badge
C. Reclaimable Waste badge
D. Density badge
【单选题】
An administrator has recently installed a new ESXi 6.x Host, and during the configuration notices sporadic network problems. To check whether the issue occurred sometime during the configuration, the administrator would like to reset the system.How can this be accomplished in the shortest amount of time?___
A. Run the ESXi installer again and reinstall the host.
B. Select the Reset System Configuration option from the vSphere Client when connected directly to the host.
C. From the
D. irect Console User Interface, select Reset System Configuration.
【单选题】
A vApp is running out of compute resources when overall activity is high within the resource pool. At other times, everything is fine.What should be done to resolve this issue?___
A. Increase the size of the resource pool Shares.
B. Set the vApp's CPU and Memory Reservation Type to Expandable.
C. Set the vApp's CPU and Memory Limit to Unlimited.
D. Create a new resource pool with the existing hardware configuration.
【单选题】
A virtual machine has been renamed and an administrator is unable to find files with the new virtual machine name in the datastore.What is the reason for this?___
A. The names of the files on the datastore do not change.
B. The names of the files on the datastore have been corrupted.
C. The virtual machine needs to be re-added to the inventory.
D. The Distributed Resource Scheduler moved the virtual machine to another host.
【单选题】
An administrator has configured network connectivity for a new virtual machine, as shown in the Exhibit.What will occur with the network traffic of this virtual machine when communicating externally from vSwitch1?___
A. The virtual machine will communicate on both uplinks
B. The virtual machine will only communicate on vmnic1
C. The virtual machine will only communicate on vmnic2
D. The virtual machine will fail to communicate externally
【单选题】
An administrator is unable to create the first group in a new vRealize Operations environment. What is the likely cause of the problem?___
A. There are no group types defined.
B. The group is not defined in SSO.
C. There are more than 32 group types defined.
D. The description for the group is not provided.
【单选题】
A new vApp was built and tested in the corporate headquarters datacenter running vSphere 6.x. What condition would explain why the virtual machine is failing to boot in an offsite datacenter running on vSphere 5.5?___
A. The virtual machine was built with the default hardware version.
B. The VMFS 5 datastore is not compatible with virtual machines configured with vSphere 6.x.
C. a
D. RS 5.5 cluster cannot run virtual machines configured with vSphere 6.x.
【单选题】
An administrator is evaluating whether to deploy vCenter Server on a Windows server or on a vCenter Server appliance. The administrator has the following requirements: <A web browser will be utilized to manage the vSphere environment.> <16 ESXi hosts will be deployed.> <Licenses must be shared with a vCenter Server at another site.> <An external Oracle 10g database server will be used to host the vCenter Server database.> Why will the administrator need to deploy vCenter Server on a Windows server?___
A. Linked Mode is a requirement for the solution.
B. Oracle 10g is a requirement for the solution.
C. The vSphere web client is a requirement for the solution.
D. Management of more than 5 hosts is a requirement for the solution.
【单选题】
What is a benefit of using VMware Data Protection ?___
A. Provides support for guest-level backups and restores of Microsoft SQL Servers, Exchange Servers, and Share Point Servers.
B. Provides support for advanced storage services including replication, encryption, deduplication, and compression.
C. Provides direct access to VDP configuration integrated into the vSphere Client.
D. Reduces disk space consumed by virtual machine data using deduplication.
【单选题】
An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the setup of vSphere HA on some of the hosts is failing. What step, if taken, might resolve this issue?___
A. Increase the value of the config.vpxd.das.electionWaitTimeSec setting.
B. Set the value of vpxd.das.aamMemoryLimit to 256.
C. Set the value of the das.useDefaultIsolationAddress setting to False.
D. Increase the value of the das.iostatsinterval setting.
【单选题】
An ESXi 6.x host consists of 24 logical cores. Hyperthreading is enabled on the host. What is the maximum number of vCPUs that can be assigned to a virtual machine on this host?___
【单选题】
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
A. RedHat Certificate Authority
B. VMware Certificate Authority
C. DigiCert Certificate Authority
D. Verisign Certificate Authority
【单选题】
An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
A. It contains the IP addresses of the NFS Storage Server to provide multipathing capability.
B. It contains the IP addresses of the ESXi hosts that mount the datastore.
C. It contains the IP addresses used for
D. ynamic Discovery of targets.
【单选题】
An administrator reports that the System Event log data is only available for 24 hours when reviewing the Hardware Status tab. Which condition could be responsible for the loss of data?___
A. A Reset event log was executed.
B. The statistical collection level was set to a value of 1.
C. The boot disk of the host is corrupt.
D. Syslog has been configured at the vCenter Server level.
【单选题】
During an upgrade, the ESXi 6.x installer finds an existing version of ESXi and a VMFS3 volume. No virtual machines exist on the host or VMFS3 volume. The requirement is to upgrade to VMFS5. Which option should be chosen to meet this requirement?___
A. Upgrade ESXi and preserve the VMFS datastore
B. Install ESXi and preserve the VMFS datastore
C. Install ESXi and overwrite the VMFS datastore
D. Upgrade
E. SXi and overwrite the VMFS datastore
【单选题】
A vSphere 6.x Standard Switch is configured with 4 virtual machine portgroups, as shown in the exhibit. Which portgroup would be utilized by default when creating a new virtual machine?___
A. Access Network
B. DMZ Network
C. VM Network
D. Virtual Machine Network
【单选题】
Which vSphere 6.x feature will allow an organization to utilize native snapshots?___
A. Virtual Volumes
B. Virtual SAN
C. VMFS3
D. VMFS5
【单选题】
An administrator is creating a new vSphere Distributed Switch that will be utilized with a specific vSphere Cluster. The cluster itself contains a mix of ESXi 5.x and 6.x Hosts. Which Distributed Switch version should be created to support this configuration?___
A. Distributed Switch: 6.0.0
B. Distributed Switch: 5.0.0
C. Distributed Switch: 5.1.0
D. Distributed Switch: 5.5.0
【单选题】
Which load balancing policy, previously limited to vSphere Distributed Switches, is now available on vSphere Standard Switches with vSphere 6.x?___
A. Route based on physical NIC workload
B. Route based on IP Hash
C. Route based on the originating virtual port
D. Route based on Source MAC Hash
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
An administrator has just completed performing an interactive installation of ESXi 6.x and is booting the host. How is the network initially configured?___
A. The network is configured by Automatic Private IP Addressing (APIPA).
B. The network is configured based on the settings detected in DNS.
C. The network is configured with the address as specified in the installer.
D. The network is automatically configured by DHCP.
【单选题】
You have just installed an ESXi 6.x Host. As part of your company security regulations, a security banner must be presented on the console of the host. How can this action be accomplished?___
A. Configure the Advanced Settings > Annotations screen of the ESXi host.
B. This is configured from the Direct Console User Interface configuration menu.
C. It is not possible to configure a security banner for the ESXi host.
D. From vCenter Server, this setting is configured globally in the vCenter Server configuration.
【单选题】
An administrator is only able to see the Health Badge when using the vRealize Operations user interface. What is the likely cause of this behavior?___
A. The vRealize Operations Foundation License is in use.
B. The vmware-sps service failed to start.
C. The vRealize Operations Standard License is in use.
D. The vmware-rbd-watchdog service failed to start.
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets either of these conditions: <High virtual CPU> <High active memory consumption.> <The alarm is only triggering when both of the conditions are met.> What can be done to correct the alarm behavior?___
A. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory and link them together with ESXCLI.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
An administrator creates an ESXi cluster using vSphere Auto Deploy. The ESXi hosts are configured to get a management IP address from a DHCP server. The administrator needs to troubleshoot the management network on one of the hosts. Which DCUI option should the administrator use to renew the DHCP lease? ___
A. Restart Management Network
B. Restore Network Settings
C. Test Management Network
D. Configure Management Network
