相关试题
【单选题】
铸件在加工后出现变形的原因是( )___
A. 热影响变形
B. 受力变形
C. 内应力消除变形
D. 系统变形
【单选题】
容易发生鳞刺的加工是()。___
A. 高速车削45钢
B. 低速车削25钢
C. 磨削铸铁
D. 磨削淬火钢
【单选题】
一个工序的定义,强调的是( )。___
A. 工作地点固定与工作连续
B. 只能加工一个工件
C. 只能是一个工人完成
D. 只能在一台机床上完成
【单选题】
数控机床夹具具有快速装夹工件的特点,若对自锁性有要求,则多采用()。___
A. 联动夹紧机构
B. 定心夹紧机构
C. 快速螺旋夹紧机构
D. 铰链夹紧机构
【单选题】
金属结晶后的晶粒越小,晶体缺陷越多,则对金属的( )影响越大。___
A. 物理性能
B. 化学性能
C. 力学性能
D. 工艺性能
【单选题】
金刚石刀具非常适合切削()材料。___
A. 45钢
B. 低碳钢
C. 铸铁
D. 非金属材料
【单选题】
车削细长杆时,受工件热变形影响,容易出现( )的形状误差___
A. 两端粗、中间细
B. 两端细、中间粗
C. 锥形
D. 双曲线
【单选题】
将若干个( )组合起来,就成为一个传动系统,称为传动链。___
A. 传动副
B. 机构
C. 齿轮传动
D. 带传动
【单选题】
自为基准是以加工面本身作为精基准,多用于精加工或光整加工工序中,这是( )。___
A. 符合基准统一原则
B. 符合基准重合原则
C. 能保证加工面的余量小而均匀
D. 能保证加工面的形状和位置精度
【单选题】
用同一平面上的两点定位能限制()个自由度。___
【单选题】
常用的夹紧机构中,对工件尺寸公差要求高的是( )机构。___
【单选题】
编制()时热处理工序可注明。___
A. 工艺过程卡
B. 工序卡
C. 刀具卡
D. 走刀路线图
【单选题】
对所有表面都要加工的零件,在定位时应当根据( )的表面找正。___
A. 加工余量小
B. 光滑平整
C. 粗糙不平
D. 加工余量大
【单选题】
装配尺寸链的最短路线(环数最少)原则,即( )。___
A. 一件一环
B. 单件自保
C. 两件一环
D. 一件两环
【单选题】
称为调质钢的材料是()。___
A. 20号钢
B. 45号钢
C. 25号钢
D. 65号钢
【单选题】
以下不属于切削加工工步顺序安排的原则是()。___
A. 先粗后精原则
B. 先主后次原则
C. 先内腔后外表面原则
D. 先面后孔原则
【单选题】
一个工序的定义,强调的是( )。___
A. 工作地点固定与工作连续
B. 只能加工一个工件
C. 只能是一个工人完成
D. 只能在一台机床上完成
【单选题】
( )夹紧力大,适用于轴类工件粗加工和半精加工的装夹。___
A. 三爪自定心卡盘
B. 四爪单动卡盘
C. 两顶尖
D. 一夹一顶
【单选题】
只有在定位基准和定位元件精度很高时,( )才允许采用。___
A. 完全定位
B. 过定位
C. 重复定位
D. 欠定位
【单选题】
退火用于( )钢铁在铸造、锻压和焊接过程中形成的残余应力以及开裂等各种组织缺陷。___
A. 改变
B. 改善或消除
C. 改善
D. 消除
【单选题】
刀具的几何参数中,()不是影响切削力的主要因素。___
A. 前角
B. 主偏角
C. 刀尖圆弧半径
D. 副偏角
【单选题】
单件小批生产的特征是( )。___
A. 毛坯粗糙,工人技术水平要求低
B. 毛坯粗糙,工人技术水平要求高
C. 毛坯精化,工人技术水平要求低
D. 毛坯精化,工人技术水平要求高
【单选题】
称为调质钢的材料是()。 ___
A. 20号钢
B. 45号钢
C. 25号钢
D. 65号钢
【单选题】
( )不能通过改变工艺装备的方式加以改善。___
A. 加工精度
B. 加工误差
C. 制造成本
D. 经济精度
【单选题】
编制细长轴的车削工艺时重要考虑()。___
A. 机床的功率
B. 刀具的主后角
C. 机床传动链误差
D. 工件的振动
【单选题】
CBN刀具非常适合切削()材料。___
A. 铝合金
B. 铜合金
C. 铸铁
D. 非金属材料
【单选题】
积屑瘤对加工影响正确的是()。___
A. 保护刀具
B. 减小已加工表面粗糙度
C. 减小切削厚度
D. 减小刀具实际前角
【单选题】
零件是组成机器的最小单元,机器的质量最终是通过( )保证的。___
【单选题】
以下不属于切削加工工步顺序安排的原则是()。___
A. 先粗后精原则
B. 先主后次原则
C. 先内腔后外表面原则
D. 先面后孔原则
【单选题】
金属结晶后的晶粒越小,晶体缺陷越多,则对金属的( )影响越大。___
A. 物理性能
B. 化学性能
C. 力学性能
D. 工艺性能
【单选题】
基准是( )。 ___
A. 用来确定生产对象上几何要素关系的点、线、面
B. 在工件上特意设计的测量点
C. 工件上与机床接触的点
D. 工件的运动中心
【单选题】
对所有表面都要加工的零件,在定位时应当根据( )的表面找正。___
A. 加工余量小
B. 光滑平整
C. 粗糙不平
D. 加工余量大
【单选题】
宽V形块可以限制( )个自由度。___
【单选题】
车床上采用三爪卡盘夹持工件加工通孔,该种定位方式属于()。___
A. 完全定位
B. 不完全定位
C. 欠定位
D. 过定位
【单选题】
金属材料在载荷作用下抵抗变形和破坏的能力叫( )。___
【单选题】
碳素工具钢的含碳量是在( )之间。___
A. 0.65%~1.3%
B. 0.065%~0.13%
C. 6.5%~13%
D. 0.65‰~1.3‰
【单选题】
最终热处理一般安排在()。___
A. 粗加工之后
B. 半精加工之前
C. 精加工(磨削加工)之前
D. 半精加工之后
【单选题】
铣削速度取15m/min,刀具直径为80mm,则主轴转速应该为( )。___
A. ≈60r/min
B. ≈100r/min
C. ≈160r/min
D. ≈200r/min
【单选题】
装配尺寸链的封闭环是( )。___
A. 精度要求最高的环
B. 要保证的装配精度
C. 尺寸最小的环
D. 基本尺寸为零的环
推荐试题
【多选题】
A user is a member of groups A and B. -VM10 and VM20 are in VM Folder. -Group A is assigned permission “Read-only” on VM Folder. What two configurations will allow the user to edit the settings for only VM10? (Choose two.)___
A. Assign group B permission “virtual machine power user” to VM10.
B. Assign group B permission “virtual machine console user” to VM10.
C. Assign group A permission “virtual machine console user” to VM10.
D. Assign group A permission “virtual machine power user” to VM10.
【多选题】
Which two new vSphere 6.5 features enable an Administrator to locate configuration options when creating or editing host profiles more easily than in previous versions? (Choose two.)___
A. Add the configuration option to favorites.
B. Navigate the option tree.
C. Search for the configuration option.
D. Copy the configuration option from a different profile.
【多选题】
What are the two valid storage controller types for VMs on ESXi 6.5? (Choose two.)___
A. FCoE
B. SATA
C. NVMe
D. iSCSI
【多选题】
Which two options can optimize conversion with VMware Converter? (Choose two.)___
A. Disable real-time antivirus scanners.
B. Remove the source from Active Directory.
C. Remove third-party device drivers.
D. Exclude diagnostic partitions from conversion.
E. Disable Volume Shadow Copy (VSS).
【多选题】
vSphere Availability considers which two factors for virtual machine restarts? (Choose two.)___
A. Host Isolation Response
B. file accessibility
C. NUMA node size
D. resource reservations
【多选题】
Which two virtual NICs support Wake-on-Lan to resume a virtual machine that is in standby mode? (Choose two)___
A. Flexible
B. E1000E
C. E1000
D. vmxnet 3
【多选题】
Which two logs should be examined to troubleshoot a Windows vCenter Server upgrade failure? (Choose two.)___
A. vminst.log
B. vim-um-msi.log
C. firstboot.log
D. pkgmgr.log
【多选题】
Which are two supported storage primitives for VAAI NAS? (Choose two.)___
A. Full File Clone
B. Reserve Space
C. hardware assisted locking
D. block zeroing
【多选题】
Which two parameters must be configured for Windows in-guest disk mirroring? (Choose two.)___
A. scsi#.returnNoConnectDuringAPD = “FALSE”
B. scsi#.terminateVMOnPDL = “TRUE”
C. scsi#.returnBusyOnNoConnectStatus = “FALSE”
D. scsi#.returnNoConnectDuringAPD = “TRUE”
【多选题】
Which two items are required to enable NPIV in a virtual machine? (Choose two.)___
A. use of physical RDMs
B. physical HBA support
C. use of virtual disks
D. hardware version 11 or higher
【多选题】
A vSphere Administrator has VM Component Protection (VMCP) enabled, but the VM was not restarted when one of the VMFS datastores experienced an All Paths Down (APD) failure. What two scenarios would explain why the virtual machine was not restarted? (Choose two.)___
A. VM Monitoring is required in order for VMCP to failover during an APD event.
B. VMware Tools is not installed on the guest operating system for the VM.
C. Insufficient Capacity is available on the failover ESXi hosts.
D. The APD failure was corrected before the VM could be restarted.
【多选题】
What are two requirements in order to restore a Resource Pool Tree from a snapshot? (Choose two.)___
A. vSphere DRS must be turned on.
B. A restore can only be performed on a vSphere DRS cluster within the original vCenter Server.
C. vSphere
D. RS must be turned off.
【多选题】
Which three vSphere features are compatible with vSphere Replication? (Choose three.)___
A. vSphere High Availability
B. vSphere Fault Tolerance
C. vSphere Storage
D. RS
【多选题】
What two VMware Remote Console Options can be defined in the virtual machine settings? (Choose two.)___
A. Boot Delay
B. Maximum number of sessions
C. Guest OS lock
D. Total video memory
【多选题】
VMware Converter can import a powered off virtual machine from which two virtual machine platforms?(Choose two.)___
A. Microsoft Hyper-V
B. Citrix Xen
C. VMware Workstation
D. Linux with KVM
【多选题】
Which two options allow storage space reclamation? (Choose two.)___
A. Use VMFS6 datastores.
B. Use esxcli storage vmfs unmap.
C. Use the SAN console (management tool).
D. Use the vSphere Web Client.
【多选题】
An administrator must reprovision 25 hosts with a new image profile that he has created. Which two methods can the administrator use to change the image profile? (Choose two.)___
A. From the vSphere Web client home page, select the Deploy Rules tab in the Auto Deploy section.
B. Run the Copy-Deploy Rule and specify the Replace Item parameter with Power CLI.
C. From the vSphere Web client home page, select the Assign Rules tab in the Auto
D. eploy section.
【多选题】
What are three parameters for traffic filtering or marking? (Choose three.)___
A. Protocol
B. Traffic Direction
C. DSCP value
D. virtual Port ID
【多选题】
The vSphere administrator must change the path selection policy (PSP) to comply with best practices. Which two interfaces can be used to change the PSP? (Choose two.)___
A. ESXi shell
B. vSphere Client
C. ESXi host client
D. vSphere Web Client
【多选题】
In what two ways can Storage DRS load balance virtual machines? (Choose two.)___
A. anti-affinity rules
B. virtual storage controller
C. guest OS family
D. I/O latency
【多选题】
What two reasons can explain why a host cannot be removed from a vSphere Distributed Switch? (Choose two.)___
A. There are virtual machine network adapters connected to the switch.
B. There are blocked ports on the switch.
C. There are LACP LAGs configured on the switch.
D. There are VMkernel network adapters connected to the switch.
【多选题】
Which three requirements are true for the vCenter Server HA network? (Choose three.)___
A. Network latency between all nodes must be less than 10 milliseconds.
B. IP addresses for all nodes must be static.
C. HA network IP addresses for all nodes can be on different subnets.
D. IP addresses must be on the same network as the management network.
E. A default gateway must be configured.
【多选题】
Which two statements correctly describe Normal Lockdown Mode? (Choose two.)___
A. ESXi Shell and SSH services are independent of lockdown mode.
B. In normal lockdown mode the DCUI service is stopped.
C. ESXi Shell and SSH services are dependent of lockdown mode and cannot be configured.
D. In normal lockdown mode the DCUI service is running.
【多选题】
The Health check feature in the vSphere Distributed Switch helps troubleshoot network connectivity. What three checks does this feature perform? (Choose three.)___
A. Network Utilization
B. MTU
C. Teaming and Failover
D. VLAN
【多选题】
What are the three types of nodes in a vCenterServer HA cluster? (Choose three.)___
A. Master
B. Replica
C. Witness
D. Active
E. Passive
【多选题】
What are two consequences of turning off vSphere DRS on a cluster? (Choose two.)___
A. vMotion capability will be lost.
B. Resource pools will be lost.
C. vApps will be lost.
D. Affinity rules will be lost.
【多选题】
Which two protocols can be used to back up vCenter Server Appliance Instance? (Choose two.)___
A. iSCSI
B. HTTPS
C. FTP
D. NFS
【多选题】
What are two requirements to enable EVC in a vSphere DRS cluster? (Choose two.)___
A. CPU must be in the same family and of the same speed.
B. CPUs must be from the same vendor.
C. EVC must use the lowest possible baseline supported by the hardware.
D. No VMs may be running in the cluster.
【多选题】
In Advanced settings on a vSphere host, Security.Password Quality Control set as retry=3 min=disabled, disabled, disabled, 7, 7 . Which two passwords are valid? (Choose two.)___
A. xQaT3#A
B. P@ssw0rd
C. xQaTEh2
D. Xqat3h!
E. xQaTEhb!
【多选题】
To support Auto-Deploy, which two network requirements must be met? (Choose two.)___
A. IP multicast support
B. IPv4 or IPv6
C. PXE boot
D. 10 GbE networking
【多选题】
A vSphere administrator receives reports of a virtual machine performing extremely slowly, with CPU usage being the suspected bottleneck. After reviewing esxtop (view the Exhibit), which two scenarios could cause a performance problem for the virtual machine? (Choose two.)___
A. A processor affinity is configured for the virtual machine.
B. A virtual machine CPU limit is configured.
C. A virtual machine reservation is configured.
D. A virtual machine memory limit is configured.
E. A virtual machine CPU reservation is configured.
【多选题】
Which three source object types are available for subscription when creating a subscribed content library in vSphere 6.5? (Choose three.)___
A. vSphere 6 library
B. HTTP server
C. vCD 5.5 catalog
D. CIFS repository
E. 3rd-party library
【多选题】
药学服务的主要实施内容正确的是___
A. 医、药、护有机结合,共同承担医疗责任
B. 药学服务只是针对患者个人
C. 协助医护人员制定和实施药物治疗方案
D. 定期对药物的使用和管理进行科学评估
E. 主要是积极参与疾病的治疗,预防和保健则与药学服务关系不大
【多选题】
药学服务的对象包括___
A. 医生
B. 患者及其家属
C. 护士
D. 公众
E. 健康人群
【多选题】
药历的作用有___
A. 客观记录药师为保证患者合理用药所采取的措施
B. 药师解决临床相关问题的技术档案
C. 开展个体化药物治疗的重要依据
D. 保证患者用药安全、经济、有效
E. 便于药师开展药学服务
【多选题】
药历的内容包括___
A. 用药方案和经过
B. 用药指导
C. 药效表现和不良反应
D. 各种实验室检查数据
E. 对患者的健康教育忠告
【多选题】
以下哪些项目必须在药品说明书中注明___
A. 药品通用名、成分、规格
B. 适应症或功能主治
C. 不良反应和注意事项
D. 生产日期和有效期
E. 生产企业和批准文号
【多选题】
处方药说明书中【药品名称】项下包括___
A. 通用名
B. 英文名
C. 化学名
D. 商品名
E. 汉语拼音
【多选题】
药品说明书中的注意事项包括的内容是___
A. 影响药物疗效的因素
B. 药品慎用的情况
C. 用药过程中需观察的情况
D. 用药对于临床检验的影响
E. 药品的相互作用
【多选题】
我国药品说明书的内容包括___
A. 药品名称、药品成分
B. 药品的药理、毒理作用及药物动力学
C. 药品适应症、用法用量
D. 不良反应、禁忌、注意事项
E. 有效期、批准文号