【判断题】
根据《污水综合排放标准》，工业废水pH排放标准应为6～9
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相关试题
【判断题】
锅炉补充水处理设备排出的废水分为两种，一种是从预处理设备中排放的含有大量沉淀的水，另一种是除盐设备排放的酸碱废水
【判断题】
冷却水系统结垢主要是由于水中Ca(HCO3)2分解成CaCO3所致
【判断题】
为了不使残余硬度进入水汽系统，防止受热面上结垢，除保证给水质量外，还要向炉水中投加磷酸盐，使进入锅炉中的钙镁离子形成一种不沾在受热面上的水渣，随锅炉排污除掉，这种处理方法简称磷酸盐处理
【判断题】
氢气与空气混合时，当其中氢气的成分为10%～70%时，有爆炸的危险，因此氢冷发电机的机壳内要保持一定的压力，使空气不易进入
【判断题】
有一交换器内的树脂层高度为2米，反洗时树脂的膨胀高度为0.8米，则反洗膨胀率为40%
【判断题】
反渗透系统加酸调节进水pH值的目的是为了防止在膜表面上产生碳酸盐水垢和膜的水解
【判断题】
反渗透膜的清洗方法有低压水冲洗法和化学药剂清洗法
【判断题】
发电机内冷水的三项主要控制水质指标是电导率、pH、溶解氧
【判断题】
有精处理系统的机组，给水电导率大于0.30μS/cm，属三级处理值
【判断题】
有精处理系统的机组，给水电导率大于0.20μS/cm，而小于0.30μS/cm，属一级处理值
【判断题】
炉水采用固体碱化剂处理时，pH值小于8.5或大于10.0, 属二级处理值
【判断题】
炉水采用全挥发处理时，pH值低于8应立即停炉
【判断题】
澄清池运行中要控制的主要环节是排泥量和泥渣循环量
【判断题】
天然水经混凝处理后，水中的硬度有所降低
【判断题】
粒状滤料的过滤过程有两个作用：一是机械筛分；另一个是接触凝聚
【判断题】
水经Na型离子交换器处理后，水中的钙、镁盐类基本上被除去，所以水中的含盐量有所降低
【判断题】
强碱性阴树脂被有机物污染的特征是颜色变深，再生后正洗所需时间延长，出水水质变差，交换容量下降
【判断题】
离子交换树脂的孔隙率对交换速度没有影响
【判断题】
锅炉补给水处理中超滤、微滤是用来除去水中的硬度
【判断题】
锅炉补给水处理通常包括预处理和除盐两部分
【判断题】
反渗透产品水管装设爆破膜是为了防止运行人员疏忽，忘记打开产品水出口阀门而造成系统憋压损坏设备
【判断题】
反渗透停运后必须进行冲洗，对于冲洗水水质没有要求
【判断题】
膜的脱盐率，可近似通过电导率计算，公式为：（DD进－DD出）/DD进×100%
【判断题】
反渗透给水含盐量的增加不影响透过量和产品水通量
【判断题】
膜元件中心管的O型密封圈密封不严，会导致进水未经反渗透膜处理直接进入产水侧，造成产水含盐量增高
【判断题】
反渗透保安过滤器的主要作用是为了确保进入反渗透膜的水质不含有可划伤膜片的颗粒物质
【判断题】
用反渗透装置的出水作为一级除盐设备的进水，可大大减轻COD对强碱阴树脂的污染
【判断题】
反渗透水处理装置运行时开启或关闭进水阀门应快速，使其在短时间内达到额定出力
【判断题】
反渗透和电渗析除盐，都是膜分离技术的应用，其除盐原理也是一样的
【判断题】
高速混床的树脂必须采用强酸性和强碱性离子交换树脂作为交换剂
【判断题】
凝结水精处理系统混床失效树脂反洗分层后阳树脂从设备底部水力输送到阳再生罐
【判断题】
凝结水精处理混床和树脂捕捉器的完好性必须定期检查，防止凝结水混床在运行过程中发生跑漏树脂
【判断题】
精处理树脂投运前应充分正洗，防止树脂中的残留再生酸带入水汽系统造成炉水pH值大幅降低
【单选题】
驻守站是指___的站场。
A. 无人值班、有人值守
B. 有人值班、有人值守
C. 有人、无人值守
D. 无人值班、无人值守
【单选题】
安全标志分为： 禁止标志、 警告标志、 指令标志和___标志。
【单选题】
石油天然气管道试运投产时，应对员工及相关方进行安全宣传和教育，在清管、置换期间无关人员不得进入管道两侧___范围以内。
A. 5m
B. 30m
C. 50m
D. 100m
【单选题】
参加工作人员未按工作票内容、检修工艺、检修范围及注意事项或与进行工作无关的其他工作者，则考核___ 。
A. 工作票签发人
B. 工作负责人
C. 当班调度员
D. 工作许可人
【单选题】
《一级工作票》由工作___签发。
A. 调度部门
B. 站场值班人员
C. 部门负责人
D. 站长
推荐试题
【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
【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.
