【单选题】
矿山企业应调查合现有生产井中的积水区、含水层、岩溶带、地质构造等详细情况，并填绘矿区___地质图。
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相关试题
【单选题】
一般矿山的主要泵房，进口应装设___。
【单选题】
井筒掘进时，预测裸露段涌水量大于20m3/h，宜采用___堵水。
【单选题】
井下主要排水设备，至少应由同类型的___台泵组成。
【单选题】
井底主要泵房的出口应不少于两个，其中一个用斜巷与井筒连通，斜巷上口应高出泵房地面标高___m以上。
【单选题】
涌水量较大的矿井，每个水仓的容积，应能容纳 ___h的井下正常涌水量。
【单选题】
《规程》规定，矿山至少每___年进行一次反风实验.
【单选题】
依照《规程》的规定，井口标高必须高出历年最高洪水位___m以上。
【单选题】
在距离坠落高度基准面___m以上，作业人员必须佩带安全带。
【单选题】
停产___个月以上恢复生产的地下矿山，应进行安全条件论证和评价。
【单选题】
矿山设计规定，保留的___，在规定的期限内，应当予以保护，不得开采或者毁坏。
【单选题】
每个矿井至少应有两个独立的直达地面的安全出口，安全出口的间距应不少于___米。
【单选题】
井筒与水平大巷连接处，应设绕道，人员不得通过___。
【单选题】
地下爆破作业地点有毒气体允许浓度规定CO为___mg/Cm3。
【单选题】
倾角30度以下的废斜井或平巷的支护材料回收，应___。
【单选题】
巷道型采场和掘进巷道通风的风速不应小于___米/秒。
A. 0.15
B. 0.25
C. 0.5
D. 1
【单选题】
井下主要排水设备，至少应由同类型的___台泵组成；工作水泵应能在这20小时内排出一昼夜的正常涌水量。
【单选题】
新建、改建、扩建建设项目安全设施的“三同时”工作应在___进行。
A. 建设项目正式投产前
B. 建设项目正式投产后
C. 建设项目施工开始前
【单选题】
规程规定，维修轨道线路时，应在工作地点前后不少于___米处设置临时警示，维修结束应予撤除。
【单选题】
掘进爆破安全距离是：直线段150米，曲线段___米。
【单选题】
采用潜孔钻机施工时，操作台安设在钻机一侧离钻机的安全距离不得小于___米。
【单选题】
卸矿地点应设置牢固可靠的挡车设施，并设专人指挥。挡车设施的高度应不小于该卸矿点各种运输车辆最大轮胎直径的___。
【单选题】
大型矿井，矿床地质条件复杂，走向长度一翼超过___m的，应在矿体端部的下盘增设安全出口。
【单选题】
位于地震区的竖井出口，当井深超过300m时，每隔___m左右应在井筒附近设一休息室( 硐 )，并与梯子间平台相通。
【单选题】
1.用元素符号来表示物质分子组成的式子叫( )。
(A)分子式；(B)化学式；(C)方程式；(D)化合物。
A. 分子式
B. 化学式
C. 方程式
D. 化合物
【单选题】
2.凡是在水溶液中或熔化状态下能导电的化合物都称为( )。
(A)化合物； (B)混合物；
(C)电解质； (D)电解质溶液。
A. 化合物
B. 混合物
C. 电解质
D. 电解质溶液
【单选题】
3.下列酸中对硅酸盐垢溶解能力最强的是( )。
(A)盐酸；(B)硫酸；(C)氢氟酸；(D)硝酸。
【单选题】
4.书写化学方程式要遵循的原则是( )。
(A)用等号连接； (B)生成物是气体时，要标↑；
(C)质量守恒定律；(D)符号大写。
A. 用等号连接
B. 生成物是气体时，要标↑
C. 质量守恒定律
D. 符号大写
【单选题】
5.下列烃类中，为不饱和烃的是( )。
(A)烷烃；(B)环烷烃；(C)芳香烃；(D)氯仿。
A. 烷烃
B. 环烷烃
C. 芳香烃
D. 氯仿
【单选题】
6.将铁片放入下列溶液中，充分反应后溶液质量减小的是( )。
(A)三氯化铁；(B)稀硫酸；(C)硫酸铜；(D)浓盐酸。
A. 三氯化铁
B. 稀硫酸
C. 硫酸铜
D. 浓盐酸
【单选题】
7.下列能使淀粉碘化钾溶液变蓝的是( )。
(A)氯水；(B)碘水；(C)溴化钾；(D)碘化钾。
A. 氯水
B. 碘水
C. 溴化钾
D. 碘化钾
【单选题】
8.滴定终点是滴定过程中( )改变的点。
(A)指示剂颜色；(B)pH值；(C)浓度；(D)温度。
A. 指示剂颜色
B. pH值
C. 浓度
D. 温度
【单选题】
9.下列分析方法中，属于络合滴定的是( )。
(A)用硝酸银测氯离子；(B)EDTA法测硬度；
(C)用硫酸测碱度； (D)用pNa计测钠。
A. 用硝酸银测氯离子
B. EDTA法测硬度
C. 用硫酸测碱度
D. 用pNa计测钠
【单选题】
10.给水加NH3的目的是( )。
(A)防止铜腐蚀； (B)防止给水系统结垢；
(C)调节给水pH值到碱性；
(D)调节pH值，防止钢铁腐蚀。
A. 防止铜腐蚀
B. 防止给水系统结垢
C. 调节给水pH值到碱性
D. 调节pH值，防止钢铁腐蚀
【单选题】
11.测定水的碱度属于( )。
(A)酸碱滴定法； (B)沉淀滴定法；
(C)配位滴定法； (D)氧化还原滴定法。
A. 酸碱滴定法
B. 沉淀滴定法
C. 配位滴定法
D. 氧化还原滴定法
【单选题】
12.能有效去除水中硅化合物的是( )。
(A)强酸阳树脂； (B)弱碱阴树脂；
(C)强碱阴树脂； (D)弱酸阳树脂。
A. 强酸阳树脂
B. 弱碱阴树脂
C. 强碱阴树脂
D. 弱酸阳树脂
【单选题】
13.炉水磷酸盐防垢处理的最佳pH值是( )。
(A)8.5～9.2； (B)9～11；
(C)＞9； (D)6.5～7.5。
A. 8.5-9.2
B. 9-11
C. ＞9
D. 6.5-7.5
【单选题】
14.固定床离子交换树脂失效后，再生液流速一般为( )m/h。
(A)1～3； (B)4～8； (C)8～10； (D)8～15。
A. 1-3
B. 4-8
C. 8-10
D. 8-15
【单选题】
15.混床再生之后，充入压缩空气的作用是( )。
(A)擦洗树脂； (B)顶压；
(C)混合阴阳树脂；(D)排气。
A. 擦洗树脂
B. 顶压
C. 混合阴阳树脂
D. 排气
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【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.
