【多选题】
混凝土配合比设计时,骨料的最大粒径选取时应考虑___。
A. 施工工艺
B. 钢筋保护层厚度
C. 钢筋间距
D. 混凝土设计强度
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相关试题
【多选题】
下列关于铁路项目路基填筑质量检测叙述正确的是___。
A. 高速铁路基床以下路基填筑质量采用压实系数、地基系数两个指标进行双控。
B. 地基系数和动态变形模量之间有一定的相关性,在铁路土工试验规程中有两者的换算关系式,该关系式是适合于所有的路基填筑质量检测的。
C. 高速铁路路基基床表层采用压实系数、地基系数和动态变形模量三个指标进行填筑质量控制。
D. 高速铁路路基基床表层采用孔隙率、地基系数和动态变形模量三个指标进行填筑质量控制。
【多选题】
根据铁路混凝土规范,在进行混凝土配合比设计时,还需要进行___的核算,当不满足规范要求时,需要重新选择原材料或调整基准配合比。
A. 总碱量
B. 氯离子含量
C. 三氧化硫含量
D. 浆骨体积比
【多选题】
硫酸盐化学侵蚀环境需做的耐久性试验包括___
A. 电通量
B. 气泡间距系数
C. 胶材抗蚀系数
D. 氯离子扩散系数
【多选题】
轻型击实试验和重型击实试验的差别在于___
A. 试筒尺寸不同
B. 试锤质量与高度不同
C. 击实层数不同
D. 击实功不同
【多选题】
常用普通硅酸盐水泥的凝结时间为初凝___终凝()。
A. 不得迟于45分钟
B. 不得早于10小时
C. 不得早于45分钟
D. 不得迟于10小时
【多选题】
土可能由___组成。
A. 单相体
B. 两相体
C. 三相体
D. 四相体
【多选题】
依据TB10424-2010《铁路混凝土工程施工质量验收标准》聚羧酸系高性能减水剂的常规检测项是___。
A. 减水率
B. 含气量
C. 抗压强度比
D. 凝结时间差
【多选题】
砂有机物试验需要的试剂有___
A. 氢氧化钠
B. 乙醇
C. 蒸馏水
D. 鞣酸
【多选题】
管理体系文件包括___。
A. 质量手册
B. 程序文件
C. 作业指导书
D. 记录
【多选题】
下列___指标铁路混凝土工程用水泥的化学性质抽样检验指标。
A. MgO
B. SO3
C. GaO
D. 烧失量
【多选题】
下列外加剂的性能中,___是品质优异的外加剂应具备的性能。
A. 引气量大
B. 坍落度损失小
C. 减水率高
D. 能明显提高混
【多选题】
为保证混凝土耐久性,在混凝土配合比设计中要控制___。
A. 水灰比
B. 砂率
C. 水泥用量
D. 强度
【多选题】
已有牌号钢筋相同。___
A. 钢筋实测抗拉强度与实测屈服强度之比不小于1.25。
B. 钢筋实测屈服强度与屈服强度特性值之比不大于1.30
C. 钢筋的最大力总伸长率不小于9%
D. 对于没有明显屈服强度的钢,屈服强度特性值ReL应采用规定非比例伸长应
【多选题】
些___。
A. 外形外观
B. 硬度
C. 锚板强度试验
D. 静载试验
【多选题】
位置分为。___
A. 变形缝用止水带
B. 中埋式止水带
C. 施工缝用止水带
D. 背贴式止水带
【多选题】
高聚物改性沥青基层处理剂进场检验及判定以同厂家、同品种、同批号产品,每批。___
A. 不大于3t
B. 不足3t也按一批计
C. 抽检结果全部符合技术条件要求者,判为整批合格
D. 若有一项技术要求不合格时,应双倍抽样检验该项目,若仍有一项不合格,则判整批不合格。
【多选题】
关于Evd试验,说法正确的是___。
A. 落锤质量10kg,最大冲击力7.07kN,冲击持续时间18±2ms
B. 荷载板直径为:30cm, 板厚25mm
C. 是一种动态平板载荷试验
D. 检测参数名称为:动态变形模量,计量单位为:MPa
【多选题】
预制简支箱梁盆式橡胶支座重力灌浆用流动性砂浆的检测项目为___。
A. 强度
B. 流动度
C. 凝结时间差
D. 膨胀率
【多选题】
混凝土采用较低的水灰比,则混凝土___
A. 较为密实
B. 强度较低
C. 耐久性较好
D. 节省投入费用
【多选题】
有明显流幅的钢筋,其性能的基本指标有___。
A. 屈服强度
B. 延伸率
C. 强屈比
D. 焊接性能
E. 冷弯性能
【多选题】
影响钢筋和混凝土间粘结强度的因素有___。
A. 混凝土的强度
B. 保护层厚度
C. 混凝土浇筑深度
D. 钢筋之间的间距
E. 钢筋的强度
【多选题】
下列关于适筋梁正截面受力直至破坏的说法中,正确的有___。
A. 梁的破坏始于受拉区钢筋的屈服
B. 梁的破坏始于受压区混凝土的压碎
C. 梁的最终破坏形式表现为混凝土的受压破坏
D. 适筋梁正截面承载力取决于混凝土的抗压强度
【多选题】
影响砖砌体抗压强度的主要因素包括___。
A. 砖的强度等级
B. 砂浆的强度等级
C. 砂浆的厚度
D. 砌筑的质量
E. 砖的形状
【多选题】
土的三相比例指标(物理性质指标)中可直接测试的指标为:___
A. 天然密度
B. 含水量
C. 压缩系数
D. 相对密度
【多选题】
利用图解法测定钢筋屈服强度的方法是从力—位移曲线上读取___,除以试样原始横截面积。
A. 曲线首次下降的最小力。
B. 不计初始瞬时效应时的最小力。
C. 曲线首次下降的最大力。
D. 屈服平台的恒定力。
【多选题】
压缩试验曲线表达在:___
A. e~p
B. lge~p
C. lge~lgp
D. e~lgp
【多选题】
原位测试中强度的测试方法有:___
A. 静力触探试验
B. 旁压试验
C. 平板载荷试验 C.钻孔波速试验
【多选题】
斜拉桥斜拉索索力测定的方法有:___。
A. 电阻应变片测定法
B. 拉索伸长量测定法
C. 张拉千斤顶测定法
D. 振动测定法
【多选题】
GB1499.2-2007特征值检验规则中,下列说法正确的是___。
A. 当试验性能规定为最大或最小值时,15个试样测定的所有结果应符合要求,此时,应认为该试验批符合要求。
B. 当最多有两个试验结果不符合条件时,应继续进行试验,此时,应从改试验批的不同根钢筋上,另取45个试样进行试验,这样可得到总计60个试验结果,如果60个试验结果中最多有2个不符合条件,该试验批符合要求。
C. 当试验性能规定为最大或最小值时,20个试样测定的所有结果应符合要求,此时,应认为该试验批符合要求。
D. 当最多有两个试验结果不符合条件时,应继续进行试验,此时,应从改试验批的不同根钢筋上,另取50个试样进行试验,这样可得到总计60个试验结果,如果60个试验结果中最多有2个不符合条件,该试验批符合要求。
【多选题】
混凝土施工中,拌合物温度按如下控制___。
A. 入模温度不宜高于30℃
B. 冬期施工出机温度不宜低于10℃
C. 冬期施工入模温度不应低于5℃
D. 夏季入模温度不宜高于40℃
【多选题】
利用超声波检测混凝土裂缝深度的方法有___。
A. 平测法
B. 正测法
C. 对测法
D. 斜测法
【多选题】
根据TB/T 3193-2008《铁路工程预应力筋用夹片式锚具、夹具和连接器技术条件》中规定,锚具、夹具和连接器的检测分为___。
A. 平行检验
B. 出厂检验
C. 型式检验
D. 常规检验
【多选题】
要求快硬的混凝土,不宜使用的水泥是___
A. 普通水泥
B. 矿渣水泥
C. 粉煤灰水泥
D. 硅酸盐水泥
E. 火山灰水泥
F. 高铝水泥
【多选题】
实验室可以采用国际标准,但仅限特定委托方的___检验。
A. 委托
B. 监督
C. 仲裁
D. 见证
【多选题】
用试饼法进行水泥安定性试验,煮沸后判断水泥是否安定的依据是目测试件是否有___。
A. 弯曲
B. 剥落
C. 崩溃
D. 裂缝
【多选题】
在用级配区图检查砂子的级配时,累计筛余百分率一点都不能超出规定的范围,超出则为级配不合格的筛孔为___
A. 0.15mm
B. 0.315mm
C. 0.63mm
D. 4.75mm
【多选题】
国际单位制的基本单位有___热力学温度、物质的量和发光强度等七个基本量。
A. 时间
B. 长度
C. 质量
D. 电流
【多选题】
混凝土养护用水的品质指标除___可不作要求外,其他项目与混凝土拌和用水的品质指标相同。
A. 不溶物
B. 可溶物
C. 硫酸盐
D. 氯离子
【多选题】
钢筋的一般检验项目包括___。
A. 屈服强度
B. 延伸率
C. 弯曲
D. 极限强度
【多选题】
根据岩石形成的地质条件可将岩石分为___。
A. 岩浆岩
B. 沉积岩
C. 玄武岩
D. 变质岩
推荐试题
【单选题】
An administrator has a large boot from SAN cluster and wants to ensure consistent configuration by using host profiles. What special considerations are required for boot from SAN hosts?___
A. Change the “Device is shared clusterwide” setting to “false” in the host profile.
B. Verify that the boot LUN is correctly identified as the boot device in the host profile.
C. The boot from SAN device must report as a local device.
D. Host profiles are incompatible with boot from SAN hosts.
【单选题】
When using VMware Converter to import a Windows server and improve the consistency of the destination virtual machine, which optional step can be performed immediately prior to powering down the source server?___
A. Perform a final synchronization task.
B. Remove the server from the network.
C. Uninstall production applications.
D. Remove the server from the Active Directory domain.
【单选题】
Restoration of the vCenter Server Appliance is accomplished using which interface?___
A. vSphere Web Client
B. vSphere Client
C. vCenter Server Appliance Management Interface
D. vCenter Server Appliance GUI Installer
【单选题】
When attempting to migrate a virtual machine to another host in the same cluster, the error message, “Select a valid compute resource” returns. What could cause this error?___
A. Both hosts run different versions of ESXi.
B. Both hosts are not sharing the same datastore.
C. VMware Tools is not installed.
D. Virtual machine has an ISO attached.
【单选题】
When will vSphere Data Protection delete the expired backup image of a Platform Service Controller?___
A. Immediately after the retention period has expired.
B. After the expired backup image is restored.
C. During the next backup window following expiry.
D. During the next maintenance window following expiry.
【单选题】
Group A has permission to download files in Content Library. Group B does not have permission to download files in Content Library. If a user is a member of both groups, what will be the result?___
A. The user cannot download file from Content Library.
B. The user can download file from Content Library.
C. The user cannot access Content Library.
D. The user can access Content Library.
【单选题】
An administrator is trying to set up Host Partial Failure Response, but the Automated option is grayed out. What can the administrator change to enable the Automated option?___
A. Change the vSphere DRS Automation level to Partially Automated.
B. Change the vSphere DRS Automation level to Fully Automated.
C. Enable vSphere HA Host Monitoring.
D. Change the vSphere DPM Automation level to Automatic.
【单选题】
When you attempt to open a virtual machine console from the vSphere Web Client, the console does not connect. The following error message appears:<HTTP ERROR 404> <Problem accessin/.Reason: Not Found>. Why did not connect?___
A. Port 443 is in use.
B. Port 9443 is in use.
C. Port 8443 is in use.
D. Port 22443 is in use.
【单选题】
What new feature was introduced to the Content Library in vSphere 6.5?___
A. Mount an ISO directly from the Content Library.
B. Deploy a virtual machine from an OVF Package in a Content Library.
C. Upload a File from a URL to a Library Item.
D. Upload a File from a Local System to a Library Item.
【单选题】
How can an administrator exclude Encryption rights from a support engineer?___
A. Clone the role Virtual machine power user, remove Cryptographic operations privileges.
B. Clone the role Administrator and assign to the support engineer.
C. Clone the role Virtual machine power user and assign to the support engineer.
D. Clone the role No cryptography administrator and select privileges only for the support engineer.
【单选题】
The administrator must back up a vCenter HA deployment. Which component must be backed up?___
A. Passive node
B. Witness node
C. External database
D. Active node
【单选题】
What is the supported protocol to perform remote L3 traffic monitoring in vSphere 6.5?___
A. VXLAN
B. ERSPAN
C. RSPAN
D. SPAN
【单选题】
What are the minimum hardware requirements for a Windows vCenter Server with embedded PSC that manages a “Small” environment?___
A. 2vCPUs, 16 GB RAM
B. 4 vCPUs, 16 GB RAM
C. 2 vCPUs, 10 GB RAM
D. 4 vCPUs, 10 GB RAM
【单选题】
Which port is used for communication between ESXi and vSphere Data protection?___
A. 80
B. 443
C. 902
D. 22
【单选题】
What can prevent Storage DRS from functioning on a datastore?___
A. The datastore is configured for Virtual Machine Swapfile location.
B. The datastore is shared across multiple datacenters.
C. The datastore is connected to a host that is running Storage I/O Control.
D. Storage DRS advanced option IgnoreAffinityRulesForMaintenance is set to 1.
【单选题】
When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
A. Verbose
B. Trivia
C. Info
D. Error
【单选题】
What new feature is introduced in NFS 4.1 on ESXi 6.5?___
A. IPv6
B. KRB5i
C. AUTH_SYS
D. Storage DRS
【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
A. cupid.coresPerSocket
B. numa.vcpu.followcorespersocket
C. numa.vcpu.maxPerVirtualNode
D. numa.vcpu.min
【单选题】
What is the minimum disk space required to deploy vSphere Data Protection (VDP) with 8 TB configuration?___
A. 4 TB
B. 16 TB
C. 8 TB
D. 12 TB
【单选题】
What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
A. das.maxterminates
B. das.isolationshutdowntimeout
C. das.maxresets
D. fdm.isolationpolicydelaysec
【单选题】
What vSphere technology enables the administrator to ensure consistent configuration at scale?___
A. PowerCLI
B. Host Profiles
C. esxcli
D. vSphere Web Client
【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
B. 8182
C. 22
D. 902
【单选题】
Which log file would assist in identifying an issue that occurred during the database export phase of a vCenter Server upgrade process?___
A. vcdb_import.out
B. export.json
C. export-upgrade-runner.log
D. vcdb_export.out
【单选题】
Bidirectional CHAP is support by which storage initiator?___
A. software FCoE HBA
B. Fibre Channel HBA
C. independent hardware iSCSI HBA
D. dependent hardware iSCSI HBA
【单选题】
What is a pool of raw storage capacity that a storage system can provide to Virtual Volumes?___
A. protocol endpoint
B. storage container
C. storage provider
D. datastore
【单选题】
vSphere 6.5 DRS is now Network-Aware. Based on network utilization, when will DRS balance VMs?___
A. DRS will balance VMs when a network resource pool is configured for VMs.
B. DRS will balance VMs when Network I/O Control is enabled.
C. DRS will place VMs on initial boot for hosts that have network utilization lower that the threshold.
D. DRS will vMotion VMs when network utilization is higher than the threshold on a particular host.
【单选题】
A scripted upgrade of ESXi fails due to an incorrect parameter in the upgrade script. What file must the administrator modify to correct the problem?___
A. vmreconfig.pl
B. hostinfo.pl
C. ks.cfg
D. boot.cfg
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machine VM2. If a user is a member of group A and B, what action can the user perform?___
A. Suspend VM2.
B. Power off VM1.
C. Power on and power off VM1.
D. Power on and power off VM2.
【单选题】
The networking team has requested to have a dedicated network for iSCSI traffic. This task has been assigned to the vSphere Administrator. What is the VMware-recommended way to accomplish this?___
A. Configure Static Routes on each ESXi Server.
B. Configure the right subnet.
C. Create a custom IP Stack.
D. Define a dedicated gateway for the iSCSI vmkernel.
【单选题】
To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
A. ESXi Hosts
B. virtual machines
C. datastores
D. vCenter Server
【单选题】
What is the command for updating an ESXi host?___
A. esxcli software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
B. esxupdate software update –d”/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
C. esxcli software update –d “/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
D. esxupdate software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
【单选题】
A vSphere Administrator would like to identify which physical NUMA node their virtual machine is currently residing on. What esxtop metric would provide this information?___
A. GST_ND[x]
B. OVD_ND[x]
C. NRMEM
D. NHN
【单选题】
How can a vSphere administrator ensure that two virtual machines never run on the same datastore in a datastore cluster, while permitting the VMs to be load-balanced?___
A. Use an Intra-VM Anti-Affinity Rule.
B. Configure a storage DRS VM override.
C. Disable storage
D. RS for the VMs.
【单选题】
What is the VMware-recommended way to move a physical adapter out of Network I/O Control’s scope?___
A. Set the teaming policy to “Route Based on Physical NIC Load.”
B. Add the vmnic to the Net.NetNiocAllowOverCommit parameter in Advanced System Settings.
C. Add the vmnic to the Net.IOControlPnicOptOut parameter in Advanced System Settings.
D. Move the vmnic to a different vmUplink port on the Distributed Switch.
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machines, defined on the VM folder and its children. If a user is a member of Groups A and B, what will be the user’s effective permission on VM1 and VM2?___
A. Power on
B. Power off.
C. Power on and Power off.
D. Reset.
【单选题】
Group 1 is granted console interaction on a VM folder. User 1 is granted no console interaction on the same VM folder. What will be the outcome if User 1 tries to access the console of a virtual machine?___
A. User 1 will not be able to access the virtual machines in the VM folder.
B. User 1 will not have access to the virtual machine console.
C. User 1 will have access to the virtual machine console.
D. User 1 will have console access only via the vSphere Web Client.
【单选题】
Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___
A. VMFS3 datastores can be used but not created.
B. VMFS3 datastores can be neither used nor created.
C. VMFS3 datastores will be present but unmounted.
D. VMFS3 datastores can be created and used.
【单选题】
In the Exhibit, each VM has a 1GHz non-expandable reservation. If all VMs are powered on in sequence, what would be the outcome?___
A. VM4 cannot be powered on.
B. VM5 cannot be powered on.
C. VM6 cannot be powered on.
D. VM3 cannot be powered on.
【单选题】
vSphere 6.5 introduced MAClearning capabilities for VMware’s virtual switches. What three benefits will it provide? (Choose three.)___
A. Reduced memory consumption.
B. Reduced consumption of extra CPU cycles.
C. Increased network throughput.
D. Prevent packet flooding inside the vSwitch.
【单选题】
What is the default pathing policy for most active-active arrays?___
A. Fixed
B. Most Recently Used
C. Dynamic
D. isk Morroring