【填空题】
67.汽轮机停机后，要隔绝一切可能返水返汽的来源，如___、高低旁路___、轴封___、各段抽汽逆止门、电动门和凝汽器补水门应___。凝结水补水泵应改为___控制。
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相关试题
【填空题】
68.电超速试验前必须进行“电超速”保护的___试验合格。
【填空题】
69.高加突然解列后，会造成给水温度大幅___，致使主蒸汽___和___大幅变化，对机组造成___；另外高加解列后高中压缸内通过的蒸汽流量上升较大，会造成___
【填空题】
70.1号机挂闸时应检查主机___油泵及___油泵运行正常。
【填空题】
71.1号机冲转时转速升至___rpm 时顶轴油泵联停，将顶轴油泵投___。
【填空题】
72.1号机润滑油压低至___Mpa时联启交流润滑油泵，___Mpa时联启直流润滑油泵，汽轮机跳闸，___Mpa跳盘车。
【填空题】
73.1号机正常运行润滑油压应在___ Mpa， 主油箱油位保持___mm。
【填空题】
74.1号机冷油器出口油温维持___℃，轴承回油温度正常应小于___℃。
【填空题】
75.1号机隔膜阀自动停机油压应大于___MPa，当下降到___ MPa时，隔膜阀将开启。
【填空题】
76.1号机EH油高压蓄能器氮气压力___Mpa，低压蓄能器氮气压力___MPa。
【填空题】
77.1号机低压缸排汽温度小于___℃，凝汽器真空当低于___kPa 时报警，低于___kPa 时跳闸
【填空题】
78.1号机停机前应当分别进行主机___油泵、主机___油泵、___油泵、___油泵、、___电机试转。
【填空题】
79.1号机打闸以后，主汽门、___、___关闭，___开启。
【填空题】
80.1号机打闸以后转速降至___r／min 时，启顶轴油泵。
【填空题】
81. 汽轮机上下缸温差超过规定值时，___汽轮机启动。
【填空题】
82.1号机＃5低加内漏加热器汽侧水位___、端差___、出口水温___，严重时听到加热器内部有___。
【填空题】
83.1号机停机后盘车期间，应维持___油温，定时听音，监视___油压，___温度、大轴___、盘车___、汽缸上下___正常。
【填空题】
84.1号机停机后因盘车电机故障造成不能电动盘车时，应查明原因尽快消除，手动每隔___min盘车180。
【填空题】
85.1号机停机后如果由于其它原因造成盘不动时，禁止用___手段强行盘车，应进行___，并监视上下缸温差。
【填空题】
86.1号机停机后当低压缸排汽温度低于___℃，方可停止凝结水泵运行。确认___后可停止闭冷水泵、开式水泵、循环水泵运行。
【填空题】
87.1号机停机后，应可靠隔离与机组热力系统相联系的其它___系统，防止汽缸进___。
【填空题】
88.1号机停机后应监视各___、___、___水位正常。
【填空题】
89.1号机停机后定时记录汽缸膨胀、___、高、中压缸___、转子___、盘车___、润滑___、___、顶轴___，顶轴油泵___，测听转子___，直至缸温降至150℃。
【填空题】
90．机组长期停运时，设备应放尽设备内部___及系统内___，做好___措施，冬季停运应做好___措施。
【填空题】
91.机组进行定期工作前，应确认机组无影响切换___的操作。
【填空题】
92.机组停运后，发电机内的氢气被二氧化碳___合格且___停止后，方可停止密封油系统运行。
【填空题】
93.1号机组跳闸后，应迅速将轴封供汽倒为___供汽，及时调整轴封供汽压力。真空到零，停用___，解列___。
【填空题】
94. 若循环水泵在出口门全开的情况下停运，系统内的水会倒流入泵内，引起水泵___。
【填空题】
95.汽轮机断叶片现象：汽轮机内部有明显的___，机组___增大，某监视段___异常，___，推力轴承___异常变化。
【填空题】
96.汽轮机断叶片原因：制造、安装___不良， 操作不当造成设备___，机组___过于频繁，叶片多次受交变___作用， 机组长期___运行， 汽轮机___或___长时间偏离正常值造成叶片疲劳。
【填空题】
97.大轴弯曲现象： 转子___超限，连续盘车不能恢复到___， 盘车电流较正常值___或盘车___。___缩短。临界转速___显著增大。
【填空题】
98.大轴弯曲原因：___碰摩，汽机进___、___,上下缸___造成转子热弯曲。
【填空题】
99.1号机当润滑油压降至___MPa时交流润滑油泵自启，当润滑油压降至___MP时直流润滑油泵应自启，汽机跳闸,否则手动停机。当润滑油压降至___MPa时盘车自动跳闸，此时应手动盘车。
【填空题】
100.1号机EH油压降至___MPa时，备用泵应自启，否则手动启动，EH油压降至___MPa时，机组跳闸。
【填空题】
101.1号机闭式泵出口压力在___MPa左右，若闭式水母管压力下降至___MPa，检查备用闭式泵应___，否则立即___启动
【填空题】
102.1号机单台闭式泵运行时，若闭式水母管压力不能维持正常，应保持___台闭式泵运行，并检查___分配情况是否正常，及时___。
【填空题】
103.1号机闭式泵轴承温度＜___℃，经确认无误后，立即启动备用泵，停用原运行泵。
【填空题】
104.1号机闭式水箱水位___控制正常，水位维持在___mm。
【填空题】
105.1号机闭式泵入口滤网压差达___Kpa时，应启动___、停___， 联系检修清洗闭式水泵入口滤网。
【填空题】
106. 凝汽器冷却水管结垢，将使循环水升温___，造成凝汽器端差___。
【填空题】
107.1号机机组正常运行时，EH油箱油位___mm，油位低报警___mm，油位低低报警___mm，油位低低低停止___mm,备用泵禁启。
推荐试题
【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
【单选题】
An administrator is attempting to restore a number of files in a directory within the Operating System of a virtual machine. How can the administrator restore the files from a previous backup? ___
A. Use the File Level Restore option from the selected backup of the virtual machine in the vSphere Web Client.
B. Connect to the File Level Restore tool from a web browser in the virtual machine.
C. Connect to the File Level Restore tool from the VMware
D. ata Protection appliance.
【单选题】
After selecting an object in vRealize Operations, how can a user compare the badge values of related child objects? ___
A. Use the Scoreboard tab
B. Use the Relationship tab
C. Use the Members tab
D. Use the Overview tab
【单选题】
You want to deploy a vApp and dynamically assign IP addresses without a DHCP server on the network. Which action would you take to accomplish this task? ___
A. Enable IP pools.
B. Configure a local DHCP server in the vApp.
C. Enable NAT on the vApp router.
D. Configure the guest OS for workgroup and WINS.
【单选题】
What is the optimal configuration when building a virtual machine for a single-threaded Windows application? ___
A. Deploy single-threaded applications on uniprocessor virtual machines.
B. Deploy single-threaded applications on symmetric multi-processor virtual machines.
C. Tune single-threaded applications to take advantage of symmetric multi-processor resources.
D. Tune Single-threaded applications at the hypervisor level.
【单选题】
An administrator has created the resource pool configuration shown in the Exhibit. Based on the exhibit, which virtual machine(s) can be successfully powered on? ___
A. VM-M1 only
B. VM-K1 only
C. VM-K1 and VM-K2 only
D. VM-K1, VM-K2, and VM-M1
【单选题】
Which vSphere 6 Enterprise Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
A. Fault Tolerance
B. High Availability
C. Distributed Resource Scheduler
D. App HA
【单选题】
An administrator has a virtual machine that requires four times the compute resources than other virtual machines on the same ESXi 6.x host. How should the administrator configure the virtual machine settings, in order to be prepared for any resource contention? ___
A. Set the shares of the priority virtual machine to High and the rest to Low.
B. Set the shares of the priority virtual machine to High.
C. Set the shares of the priority virtual machine to High and the rest to Normal.
D. Set the shares of the priority virtual machine to Normal and the rest to Low.
【单选题】
Which type of Adapter does not require vmkernel networking? ___
A. Independent Hardware iSCSI Adapter
B. Dependent Hardware iSCSI Adapter
C. Software iSCSI Adapter
D. Software FCoE Adapter
【单选题】
During the installation of ESXi 6.0, the following error message is reported: Hardware Virtualization is not a feature of the CPU, or is not enabled in the BIOS. Which condition would generate this message? ___
A. LAHF/SAHF is not enabled in the BIOS.
B. NX/XD is not enabled in the BIOS.
C. SSE3 is not enabled in the BIOS.
D. Hyperthreading is not enabled in the BIOS.
【单选题】
An administrator is unable to login to vCenter Server when using the vSphere web client. The administrator successfully accessed vCenter Server using the client earlier the same day. What is the most appropriate first step the administrator should take to resolve this issue? ___
A. Verify the web browser being used has Adobe Flash plugin version 11.5 or later
B. Verify the vCenter Single Sign-On service is running on the vCenter Server
C. Verify the vSphere Web Server service is running on the vCenter Server
D. Verify the administrator has permissions configured in vCenter Server
【单选题】
An administrator has configured an alarm to be notified when a virtual machine meets two conditions: <high virtual CPU> <high active memory consumption> The alarm is malfunctioning and triggering when either condition is met instead of both. What can be done to correct the issue? ___
A. Edit the alarm and select Trigger if ALL of the following conditions are satisfied.
B. Edit the alarm and select Trigger if ANY of the following conditions are satisfied.
C. Create two separate alarms, one for CPU and one for memory.
D. Delete the existing alarm and create a new event based alarm.
【单选题】
What must be enabled to ensure that VM Component Protection (VMCP) works in a High Availability cluster? ___
A. VMware Tools Virtual Machine Communication Interface (VMCI)
B. Fault Tolerance
C. Atomic Test and Set (ATS)
D. All Paths Down (APD) Timeout
【单选题】
An administrator wants to add a web server to an existing multi-tier application consisting of three virtual machines: <A web server> <A database server An application server> The web server should be added to the application when the primary web server reaches: <70% vCPU utilization> <55% active memory> Which option will achieve this result? ___
A. Create a virtual machine alarm with an action to run a script that starts a new instance of the web server.
B. Create a host cpu and memory alarm with an action to run a script that starts a new instance of the webserver.
C. Configure HA application monitoring for the web server and set it to trigger deployment of a new instance of the web server.
D. Configure Fault Tolerance on the virtual machine and leave the secondary machine disabled until needed.
【单选题】
An administrator has an application that requires connection directly to PCI devices through a virtual machine. What is a limitation of this configuration? ___
A. Devices must be reserved for PCI passthrough on at least one host on which the virtual machine will run.
B. Snapshots are not supported with DirectPath I/O passthrough devices.
C. A maximum of 18 PCI vSphere
D. irectPath devices can be added to a virtual machine.
【单选题】
The vSphere administrator is configuring directory services for an ESXi host: What should the vSphere administrator do to configure the host to use CAM services? ___
A. Check the Use vSphere Authentication Proxy checkbox.
B. Set Select Directory Service Type to CAM services.
C. Specify CAM$ for the
D. omain.
【单选题】
Which statement is true regarding the licensing of vCenter Server? ___
A. The license for vCenter Server must be provided at the time of installation.
B. Changing the license assigned to vCenter Server requires a restart of the vCenter Server service.
C. Virtual machines can still be powered on if the vCenter Server license expires.
D. Licensing for a single vCenter Server installation is determined by the number of managed virtual machines.
【单选题】
When configuring vSphere Replication for a virtual machine, what is the lowest Recovery Point Objective (RPO) that can be selected? ___
A. 1 min
B. 5 min
C. 10 min
D. 15min
【单选题】
A developer needs to create a multi-tier development stack for a home lab. Which vSphere product will support the architecture required for the least software cost? ___
A. vSphere Hypervisor
B. vSphere Essentials
C. VMware Player
D. VMware Workstation
【单选题】
An administrator is installing Windows into a virtual machine. The DVD has been mounted on the Host and configured for the virtual machine as shown in the Exhibit. Based on the exhibit, when the virtual machine is booted, why would it attempt to search for a PXE server? ___
A. The CD/DVD device is not connected.
B. The ISO is in the incorrect storage location.
C. The OS minimum requirements have not been met.
D. The CD/DVD device is not set to Client Device.
【单选题】
What component must be installed prior to deploying a vCenter Server in vSphere 6.x? ___
A. vCenter Identity Services
B. Platform Services Controller
C. vCenter Single Sign-On
D. Client Integration Plug-In
【单选题】
What is a valid plug-in status for a plug-in that has been added to a vSphere client? ___
A. Disabled
B. Unknown
C. Stopped
D. Installed
【单选题】
Users of an application are reporting performance issues. The following performance values are observed in the vSphere Web Client: <Host CPU utilization is 90%> <Virtual Machine memory utilization is consistently greater than 90% CPU Ready values are higher than 20%> What could be the cause of the application performance issue? ___
A. The host is lacking the CPU resources required to meet the demand.
B. The host is lacking the memory resources required to meet the demand.
C. The virtual machine is lacking the CPU resources required to meet the demand.
D. The virtual machine is lacking the memory resources required to meet the demand.
【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
【单选题】
An administrator is re-provisioning an ESXi host and moving it to another datacenter. Which DCUI option should the administrator use to revert the system configuration to the default settings? ___
A. Reset System Configuration
B. Rebuild Default System Configuration
C. Revert System Configuration
D. Renew Default System Configuration
【单选题】
An administrator has just completed installing an ESXi 6.x host, but doesn't know what address has been configured. Where is the ESXi host IP address configured? ___
A. RVC console
B. Direct Console User Interface
C. vSphere Web Client
D. vSphere Client
【单选题】
When is it possible to place a VMFS5 datastore in maintenance mode? ___
A. When it is a member of a Storage DRS cluster
B. When it is a member of Virtual SAN cluster
C. When it is a member of a multi-extent datastore
D. When it is a member of a Virtual Volume
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Immediately after installing ESXi, an administrator observes that the Configure Lockdown Mode option is grayed out in the Direct Console User Interface (DCUI). What is the most likely explanation? ___
A. The host has not yet been added to a vCenter Server.
B. The BIOS on the host does not have NX/XD enabled.
C. The ESXi host is running in evaluation mode.
D. The host requires a reboot before this feature is available.
【单选题】
Which Single Sign-On deployment mode should an administrator use for two 6.x vCenter Servers configured with linked mode? ___
A. Basic Single Sign-On with vCenter Server Heartbeat
B. Multisite Single Sign-On
C. Basic Single Sign-On
D. Single Sign-On with Linked Mode
【单选题】
What is required when changing a virtual machine name using the vSphere Web Client? ___
A. Verify connectivity to the ESXi host where the virtual machine is running and its inventory list is accessible.
B. Verify in which datastore the virtual machine resides and that you have access and its inventory list is accessible.
C. Verify that virtual machine files are stored in the same datastore and can be accessed in the datastore browser list.
D. Verify the virtual machine is not running in Fault Tolerant mode and that it is not in a Distributed Resource Scheduler cluster.
【单选题】
An administrator deploys vRealize Operations into a vSphere 6.x environment. After the deployment, the administrator notices that badges are not appearing. What is a likely cause of this behavior? ___
A. Badges do not appear until you register vRealize Operations with vCenter Server.
B. Badges do not appear until you register a vCenter Server in vRealize Operations.
C. The vRealize Operations appliance needs to be redeployed.
D. The vCenter Server appliance needs to be redeployed.
【单选题】
How are ports scaled on vSphere Standard Switches (vSS)? ___
A. Ports on a vSS can be dynamically scaled up and down.
B. Ports on a vSS can only be statically scaled up or down.
C. Ports on a vSS can only be dynamically scaled down.
D. Ports on a vSS can only be dynamically scaled up.
