相关试题
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轴承预紧的目的是提高轴承支承的刚度，提高轴的旋转精度，降低轴的震动和噪声，降低轴之间的摩擦
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转子材质的不均匀将会影响高速机械转子精度
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镦粗加工工艺最好用于塑性好，延展性大的金属材料台阶轴或双联齿轮等毛坯件加工
【判断题】
为了保证大型设备基础的承载能力，一般采用钢筋温凝土整体浇灌的结构
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多段床身接合面刮削时，将被刮的接合面端用枕木垫高的目的是便于刮研
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更换清单，由主管工艺人员提出，由备件人员核定出价格，更换件包括机械，电器，液(气)压的备配件和外购件
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任何提高劳动生产率的措施，都必须以经济效益为前提
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精密机床导轨在的粗糙度要求是：每25mm×25mm在16～20点
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工作台要牢固平稳，平台周围要保持整洁，通行要方便，１米内禁止堆放物件
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两孔轴线相交成 90°角，一个孔直径为φ20mm，另一个孔直径是φ30mm，应该先钻穿直径大的孔
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碳素工具钢和合金工具钢用于制造中、低速成型刀具
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经纬仪整平时，经反复调整，直到仪器转到任意位置时，水准气泡最大偏离值小于二分之一格为止
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刮削大型机床导轨面时，应在将导轨面上的零件全部拆除后进行，以保证刮削质量
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要安排好培训计划，做好上课的准备工作，做到有组织，有计划地进行培训，做到定时间，定地点，定内容，定进度，定要求，有练习，有考核
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轨道制作主要是轨道调直和接头，调直后对轨道进行编号，两条轨道上从端部或伸缩缝处算起，轨道接头至少要对齐，以使运转平稳
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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
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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
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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
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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
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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
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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.
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