【单选题】
裸露药包爆破时要注意大块石的形状,尽量将药包放置在___部位。
A. 平行
B. 突出
C. 凸形
D. 凹形
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答案
D
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相关试题
【单选题】
以下描述中哪个是描述拒爆的?___
A. 雷管和炸药都没有爆炸
B. 雷管引爆了炸药
C. 炸药在传爆过程中熄灭了,孔底留有残药
D. 炸药在地下爆出了一个大坑
【单选题】
多头掘进时,爆破母线要随用随挂。爆破母线必须挂在电缆、信号线下方,距离要大于___。
A. 0.3m
B. 0.4m
C. 0.5m
D. 0.6m
【单选题】
在炮孔内放置起爆药包时,雷管脚线要顺直,轻轻拉紧并贴在孔壁一侧,防止损坏___,同时可减少炮棍捣坏脚线的机率。
A. 炮孔
B. 雷管
C. 药包
D. 脚线
【单选题】
煤矿井下爆破工作面有2个或2个以上自由面时,在煤层中最小抵抗线不得小于___。
A. 0.6m
B. 0.5m
C. 0.4m
D. 0.3m
【单选题】
对于一般民用建筑物,当主振频率在10Hz<f≤50Hz范围时,其爆破振动安全允许标准为___cm/s。
A. 1~1.5
B. 1.5~2
C. 2.0~2.5
D. 2.5~3
【单选题】
一般情况下,矿山的井下爆破器材库是建在___用于储存民用爆炸物品的硐室。
A. 地下
B. 地面
C. 地上
【单选题】
井下库区的照明电压应不超过___V;
A. 12
B. 36
C. 127
【单选题】
在爆破作业现场,应当由爆破员与安全员___清点剩余的爆破器材,共同签字确认使用和剩余爆破器材的记录。
A. 先后
B. 独立
C. 共同
【单选题】
水溶解池场地和残渣烧毁场地都要选择在野外,___、交通方便、不污染水源的地方。
A. 生活方便
B. 燃料充足
C. 水源丰富
【单选题】
爆炸销毁场地应距10万人口以下城市的边缘保持在___km以上。
A. 2
B. 5
C. 10
【单选题】
储存库内爆破器材堆垛与堆垛之间应留有宽度不小于___m的装运通道。
A. 1
B. 1.2
C. 1.5
【单选题】
采用爆炸法销毁导爆索时,一次销毁导爆索的长度不宜超过___m,而且要与其它爆炸物品分开销毁。
A. 500
B. 800
C. 1000
【单选题】
根据《小型民用爆炸物品储存库安全规范》(GA838)的有关规定,民爆库房单库储存雷管的数量不能大于___发。
A. 10000
B. 20000
C. 30000
【单选题】
用溶解法销毁黑火药时,___丢入河塘江湖及下水道中。
A. 可以
B. 不应直接
C. 在安全的情况下,可以
【单选题】
爆破员、安全员、保管员的年龄应在18周岁以上,___周岁以下。
A. 55
B. 58
C. 60
【单选题】
爆破员岗位职责要求,爆破员应___好自己所领取的民用爆炸物品。
A. 保管
B. 使用
C. 储存
【单选题】
爆破作业结束后应当及时检查、___未引爆的民用爆炸物品。
A. 生产
B. 运输
C. 排除
【单选题】
4、民用爆炸物品的装载应符合国家有关标准和规范,车厢内不得___。
A. 载人
B. 装载炸药
C. 装载雷管
【单选题】
手持机系统由手持机、lC卡和___组成。
A. 条码
B. U盘
C. 密码
【单选题】
爆破作业单位聘用无资格人员从事爆破作业或爆破器材管理的,可由公安机关对单位处___的罚款。
A. 10万元以上
B. 10万元以上50万元以下
C. 50万元以下
【单选题】
___的销售、购买及废旧民用爆炸物品销毁等行为,都适用《民用爆炸物品安全管理条例》。
A. 硝酸铵
B. 剧毒物品
C. 复合肥
【单选题】
经由道路运输民用爆炸物品的,要严格执行《民用爆炸物品运输许可证》“___”的规定。
A. 一车一证一次使用
B. 一证一车多次使用
C. 一证一车一次使用
【单选题】
爆破作业单位聘用无资格人员从事爆破作业或爆破器材管理的,可由公安机关对行为人予以___。
A. 行政拘留
B. 罚款
C. 批评教育
【单选题】
冲击波感度是指在___作用下炸药发生爆炸的难易程度。
A. 超声波
B. 冲击波
C. 地震波
D. 电磁波
【单选题】
多孔粒状铵油炸药的装药密度为0.90g/cm3~0.93g/cm3时,爆速一般为___。
A. 2600m/s
B. 2700m/s
C. 2800m/s
D. 2900m/s
【单选题】
目前,常用的工业雷管主要有___、导爆管雷管和电子雷管三大类。
A. 电雷管
B. 毫秒电雷管
C. 半秒雷管
D. 秒雷管
【单选题】
乳化炸药分___、煤矿乳化炸药和露天乳化炸药三种类型,它是目前使用最广泛的含水炸药。
A. 岩石乳化炸药
B. 液体乳化炸药
C. 固体乳化炸药
D. 铵油乳化炸药
【单选题】
抗静电电雷管按延期时间分为抗静电___电雷管和抗静电毫秒延期电雷管。
A. 半秒
B. 瞬发
C. 秒
D. 毫秒
【单选题】
起爆电子雷管需要专门的起爆设备并需要通过___识别,如密码正确则启动内置的延期程序,达到规定的延期时间后,才输出强的电流信号引爆雷管。
A. 数字
B. 密码
C. 程序
D. 地址
【单选题】
对于电子雷管起爆网路,不同厂家生产的电子雷管严禁混用,不同厂家生产的电子雷管与___也严禁混用。
A. 欧姆表
B. 雷管
C. 起爆器
D. 报警器
【单选题】
导爆管是一根内壁涂有薄层___的空心塑料软管。
A. 炸药粉末
B. 涂料
C. 颜料
D. 油漆
【单选题】
炸药在岩土、钢筋混凝土等介质内部爆炸时,对周围介质的作用称为___。
A. 爆裂作用
B. 爆破作用
C. 冲击作用
D. 破碎作用
【单选题】
一般而言,爆破结果的好坏可以从以下四个方面进行描述:爆破块度、爆堆形态、爆破效果和___效应。
A. 爆破飞石
B. 爆破振动
C. 爆破噪音
D. 爆破危害
【单选题】
为防止___中毒,隧道爆破时洞内所有作业人员应全部撤出洞外。
A. 碎石
B. 炮烟
C. 灰尘
D. 塌方
【单选题】
在有瓦斯或煤尘爆炸危险的煤(岩)层中爆破时,必须采用___爆破。
A. 反向
B. 正向
C. 多向
D. 两点
【单选题】
聚能切割是利用特殊___聚集爆炸能量来提高爆破的局部效果。
A. 炸药
B. 雷管
C. 装药结构
D. 形状
【单选题】
煤矿井下爆破炮眼深度超过1m时,封泥长度不得小于___。
A. 0.3m
B. 0.4m
C. 0.5m
D. 0.6m
【单选题】
在有煤尘或瓦斯的环境中爆破时,必须使用___。
A. 抗水炸药
B. 乳化炸药
C. 煤矿许用安全炸药
D. 改性铵油炸药
【单选题】
裸露药包爆破时要注意大块石的形状,尽量将药包放置在___部位。
A. 平行
B. 突出
C. 凸形
D. 凹形
【单选题】
拆除爆破,应等待___,方准许人员进入现场检查。
A. 10分钟以后
B. 建筑物倒塌以后
C. 15分钟以后
D. 倒塌建(构)筑物和保留建筑物稳定之后
推荐试题
【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?___
A. 24
B. 48
C. 64
D. 128
【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.
【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.