【单选题】
四缸柴油机,各缸作功的间隙角度为___
A. 45°
B. 30°
C. 120°
D. 180°
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
D
解析
暂无解析
相关试题
【单选题】
违反《中华人民共和国消防法》行为,构成犯罪的,应___
A. 依法给予行政处罚
B. 依法追究刑事责任
C. 给予罚款
D. 给予拘留
【单选题】
在使用万用表之前要进行___调零
A. 电子
B. 机械
C. 电压
D. 电阻
【单选题】
内燃机车柴油机工作时,按指示功率计算每千瓦小时所消耗的燃油量称为___
A. 燃油消耗量
B. 燃油消耗率
C. 有效燃油消耗率
D. 指示燃油消耗率
【单选题】
356.停车列车越过到达线末端计算该线有效长度的( )或轧上线路脱轨器,为列车冒进信号
A. 警冲标
B. 进站信号机
C. 出站信号机
D. 站界标
【单选题】
《安全生产法》规定,不具备安全生产条件的生产经营单位___
A. 不得从事生产经营活动
B. 经主管部门批准后允许生产经营
C. 经安全生产监督部门批准后可从事生产经营活动
D. 在注意安全的情况下从事生产经营活动
【单选题】
机车上满油后移动位置或转线发现误差引起争议时,可___进行确认
A. 移动机车至无争议位置
B. 找来相关人员共同协商
C. 以上油时为准不必
D. 将机车退回原来位置
【单选题】
擅自在铁路线路上铺设平交道口、人行过道的,由铁路公安机关或者地方公安机关责令限期拆除,可以并处___
A. 拘留
B. 拘役
C. 罚金
D. 罚款
【单选题】
安全生产责任制要在___上下真功夫,这是关键的关键
A. 健全、完善制度
B. 分工明确
C. 严格管理
D. 贯彻落实
【单选题】
完整的计算机系统应包括___
A. 主机和操作系统
B. 硬件设备和软件系统
C. CPU和外部设备
D. 主机和外部设备
【单选题】
___工作是采用逐级汇总的形式进行的,根据规定分别按日、旬、月、季、年报告周期,由专门人员负责编制上报。
A. 燃油请领单
B. 燃油统计报表
C. 领油
D. 发油
【单选题】
各种管路松漏时,可用管钳配合___进行坚固
A. 螺丝刀
B. 克丝钳
C. 扳手
D. 梅花板手
【单选题】
对接触燃油毒时间较长工种的工作人员要___
A. 定期体检
B. 定期轮换
C. 提前退休
D. 定期休息
【单选题】
在双线区间,列车应按___运行,仅限于整理列车运行时,方可使列车反方向运行
A. 左侧单向
B. 右侧单方向
C. 双侧单方向
D. 双侧双方向
【单选题】
柴油机喷油泵的___是指由于喷射后燃油压力下降过于迟缓,使针阀不能迅速回座,在喷射终了仍有燃油从喷口喷出,因流速低,使燃油不能雾化
A. 漏油
B. 隔次喷射
C. 二次喷射
D. 连续喷射
【单选题】
给砂作业中的矽尘浓度标准为小于___,以防止矽肺病的感染。
A. 3mg/m3
B. 2.5 mg/m3
C. 4 mg/m3
D. 2 mg/m3
【单选题】
柴油是石油产品燃料中一种半透明的___三级可燃液体
A. 白色
B. 红色
C. 无色
D. 黄色
【单选题】
由于行为人的过失引起火灾,造成严重后果的行为,构成___
A. 纵火罪
B. 失火罪
C. 重大责任事故罪
D. 贪污罪
【单选题】
___柴油适用于最低气温在4℃以上的地区使用
A. 0号
B. -10号
C. -20号
D. -35号
【单选题】
东风4型内燃机车油箱的容积为___。
A. 6000L
B. 7000L
C. 8000L
D. 9000L
【单选题】
负有安全生产监督管理职责的部门对安全生产的事项进行验收时,要求生产经营单位购买指定生产、销售单位的安全设备、器材或者其他产品,这种错误行为属于___
A. 滥用职权
B. 破坏公平竞争
C. 侵犯生产经营自主权
D. 渎职
【单选题】
形成残炭的主要物质是润滑油中的___、胶质及多环芳烃的叠和物。
A. 杂技
B. 碳化物
C. 沥青质
D. 碳合物
【单选题】
纯洁的水在水层深时为___
A. 无色
B. 淡黄色
C. 棕黄色
D. 浅蓝绿色
【单选题】
避雷针焊在油罐顶部或___
A. 油罐中部处
B. 油罐下部处
C. 油罐底部处
D. 圈板边缘处
【单选题】
内燃机车柴油机每小时工作所有消耗的燃油量称为___
A. 燃油消耗量
B. 燃油消耗率
C. 有效燃油消耗率
D. 指示燃油消耗率
【单选题】
测量较高电压电路的电流时,电流表串联在被测电路中的___端
A. 低电压
B. 高电压
C. 低电压
D. 高电位
【单选题】
RC-20号轻油其凝点应不高于___
A. 0℃
B. 100℃
C. -100℃
D. 300℃
【单选题】
给机车上砂时,必须与___联系好,待机车停稳后方可作业。
A. 燃料值班员
B. 车间主任
C. 班组长
D. 机车司机
【单选题】
储油罐避雷针高度要比机械呼吸阀顶高___
A. 2m
B. 3m
C. 4m
D. 5m
【单选题】
用数字式万用表测量二极管时,显示___表示二极管内部开路
A. 000
B. 1
C. 0.150-0.300V
D. 0.550-0.700V
【单选题】
不依法保证安全生产所必需的资金投入,导致发生生产安全事故,尚不够刑事处罚的,对生产经营单位的主要负责人给予___处分
A. 降级
B. 降职
C. 开除
D. 撤职
【单选题】
带电电器设备发生火灾时不能用___扑救
A. 卤代烷
B. 水
C. 干粉灭火机
D. 1211灭火器
【单选题】
燃油到达的质量验收具体由___负责
A. 值班员
B. 计量员
C. 化验员
D. 卸油工
【单选题】
十六烷值是柴油燃烧性能的标志,是表示柴油___的指标。
A. 闪点
B. 凝点
C. 阻燃性
D. 抗爆性
【单选题】
发生火灾时,正确的安全疏散主要有三个方向,向下可以跑到地面,向上可以爬到屋顶,还可以___
A. 躲到角落里
B. 向外逃到阳台
C. 钻到阁楼、壁橱等处避难
D. 躲到厨房
【单选题】
劈相机效率比较高,一般在___以上
A. 80%
B. 85%
C. 90%
D. 95%
【单选题】
立式罐的防火墙实高不应低于1m,防火墙内有效容量应为___容量
A. 油罐的最大
B. 油罐的常储
C. 大于油罐的最大
D. 因地制宜
【单选题】
电位、电压、电压降、电动势的单位都是___
A. 伏
B. 安
C. 欧
D. 瓦
【单选题】
小型往复泵多用于___
A. 卸燃油
B. 输送黏油
C. 抽罐车余油
D. 为离心泵引油
【单选题】
油库应建立日常和节假日值班制度,警卫、___要分班不间断地轮流值班护库。
A. 值班段长
B. 警察
C. 保安
D. 消防人员
【单选题】
生产经或单位的主要负责人未履行《安全生产法》规定的安全生产管理职责,导致发生生产安全事故,构成犯罪的,应当依照《刑法》第一百三十五条关于___的规定,追究其刑事责任
A. 玩忽职守罪
B. 劳动安全事故罪
C. 重大责任事故罪
D. 渎职罪
推荐试题
【单选题】
An administrator is configuring an ESXi 6.x host to use multiple NICs to resolve a management network redundancy error. After configuring a second NIC, the server is not able to communicate when the primary connection is taken down. The administrator analyzes the Exhibit shown here. Based on the exhibit, what is the likely cause of the issue? ___
A. vmnic4 is not attached to a vSwitch.
B. vmnic2 is not connected to a physical switch.
C. E1000 is the incorrect NIC
D. river for this card.
【单选题】
What information is required as part of an interactive ESXi 6.x installation? ___
A. Keyboard layout
B. IP Address
C. Root password
D. DNS information
【单选题】
What is the default load balancing policy for a newly created VMkernel port on a vSphere Distributed Switch? ___
A. Route based on orginating virtual port ID
B. Route based on IP Hash
C. Route based on source mac address
D. Route based on physical NIC load
【单选题】
An administrator deploys vCenter Server using the embedded Platform Services Controller. After testing the deployment for a couple of months, it is determined that the environment would be better served with an external Platform Services Controller. What should the administrator do to meet this new requirement? ___
A. Deploy a fresh instance of vCenter Server with an external Platform Services Controller.
B. Perform a fresh install of an external Platform Services Controller.
C. Migrate the embedded Platform Services Controller to an external Platform Services Controller.
D. Upgrade the embedded Platform Services Controller to an external Platform Services Controller.
【单选题】
Why are some virtual machines orphaned after rebooting a High Availability (HA) enabled host? ___
A. The Orphaned virtual machines have HA restart disabled.
B. The Orphaned virtual machines moved recently and the change did not persist.
C. The host is attached to failed storage.
D. The host just came out of maintenance mode.
【单选题】
Which vSphere 6 Standard 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
【多选题】
An application running in a virtual machine is experiencing performance issues. When utilizing performance monitoring utilities, it is noted that the CPU Utilization of the application is at 100%. Which two scenarios are probable causes of the CPU contention for the application? (Choose two.)___
A. There is a network I/O constraint.
B. There is a storage I/O constraint.
C. There is insufficient disk space assigned to the virtual machine.
D. The application is not virtualization aware.
【多选题】
A Fault Tolerance (FT) virtual machine with four vCPUs is experiencing high latency when performing ICMP and Application tests. What are three potential causes that may be attributing to this latency? (Choose three.)___
A. The FT network has insufficient bandwidth and is running on a 1GB Link.
B. The FT network is on a particularly high latency link.
C. The FT network has been configured with Network I/O Control.
D. The FT virtual machine is running an e1000 network adapter.
E. The
F. T virtual machine is running on poor performing network-based storage.
【多选题】
A virtual machine is experiencing performance issues. The following performance metrics are observed: <CPU usage value for the virtual machine is above 90%> < CPU ready value for the virtual machine is above 20%> Which two activities will likely resolve the performance issues? (Choose two.)___
A. Set a CPU reservation for the virtual machine.
B. Increase the CPU limit on the virtual machine.
C. Decrease CPU shares equally for all virtual machines on the host.
D. Increase CPU shares equally for all virtual machines on the host.
【多选题】
An administrator is upgrading a vSphere Distributed Switch. The existing switch is version 6.0 and the administrator wants to upgrade to the latest version possible. The environment contains several ESXi 6.1 hosts. Which two options are available to ensure that the upgraded switch will be compatible with these hosts? (Choose two.)___
A. Upgrade the vSphere Distributed Switch to 6.0
B. Upgrade the ESXi 5.5 hosts to version 6.0, then upgrade the vSphere Distributed Switch to 5.5
C. Upgrade the vSphere Distributed Switch to 5.1
D. Upgrade the
E. SXi host switches to 5.5, then upgrade the vSphere Distributed Switch to 5.5
【多选题】
An administrator attempts to create a Thick Provisioned Virtual Disk (VMDK) on an NFS datastore; but it fails. Which two reasons would explain the failure? (Choose two.)___
A. Datastore is on an NFS 3 storage server that does not support Hardware Acceleration
B. Datastore is on an NFS 4.1 storage server
C. Only VMFS datastores support "Thick Provisioned" VMDK
D. The NFS datastore was not created on a "Thick Provisioned" device
【多选题】
Which two NFS Protocol versions does vSphere 6 support? (Choose two.)___
A. Version 3
B. Version 3.1
C. Version 4
D. Version 4.1
【多选题】
Which three operations occur during a cold migration of a virtual machine? (Choose three.)___
A. The virtual machine disks are moved if the datastore is being changed.
B. The virtual machine is registered with the destination server.
C. The source virtual machine is removed from the old hosts.
D. The virtual machine hardware is upgraded.
E. The virtual machine files are quiesced prior to the migration.
【多选题】
A 4 GB Memory virtual machine is experiencing extended memory issues, as shown in the Exhibit. What potential issues could be attributed to this memory pressure?___
A. A limit is imposed on the virtual memory of this virtual machine.
B. The Balloon driver has been uninstalled.
C. A limit has been imposed on the Virtual CPU of the virtual machine.
D. Storage IO control has been enabled for the virtual machine causing the swapped memory.
【多选题】
You are creating a virtual machine in the Web Client using the New Virtual Machine wizard. Which two steps are required? (Choose two.)___
A. Select a valid name.
B. Select a cluster for the compute resource.
C. Select a network adapter.
D. Select the virtual machine compatibility.
【多选题】
An administrator has been given requirements to configure vMotion for a new virtual machine. The configuration should: <Provide Network Redundancy Use VLAN 550> <Be secured against anyone trying to spoof communication The vSwitch1 configuration is shown in the Exhibit.> Which three changes should be made to meet the stated requirements? (Choose three.)___
A. The VLAN ID must be set appropriately.
B. The default values for MAC Address Changes and Forged Transmits must be altered.
C. The teaming and failover adapters must be set appropriately.
D. The Traffic Shaping configuration must be altered.
E. The Load Balancing Policy must be set appropriately.
【多选题】
Which three traffic types are available services options when configuring a vmkernel port? (Choose three.)___
A. Provisioning Traffic
B. Virtual Volumes Traffic
C. vSphere Replication NFC Traffic
D. Virtual SAN Traffic
E. FCoE Traffic
【多选题】
An administrator logs into the vSphere Web Client, but is unable to see any hosts and clusters. Which two options could fix the problem? (Choose two.)___
A. Verify that the client web browser and vCenter Server are in the same broadcast domain.
B. Verify that the vCenter Server system is registered with the same Platform Services Controller as the vSphere Web Client.
C. Log in to the vCenter Server as a user within the Active
D. irectory domain.
【多选题】
Which three VLAN Tagging modes are available in vSphere 6.x? (Choose three.)___
A. External Switch Tagging
B. Private VLAN Tagging
C. Virtual Switch Tagging
D. VXLAN Tagging
E. Virtual Guest Tagging
【多选题】
Which two statements are true about VMFS5 datastores on ESXi 6.x? (Choose two.)___
A. Virtual Disk (VMDK) size can be larger than 2TB.
B. Datastore extent size can be larger than 2TB.
C. Only Physical Mode Raw
D. evice Map (Passthrough-RDM) can be larger than 2TB.
【多选题】
Which two statements are correct when turning off a Distributed Resource Scheduler (DRS) Cluster? (Choose two.)___
A. The resource pool hierarchy of the DRS cluster is maintained.
B. The resource pool hierarchy of the DRS cluster is removed.
C. The affinity settings of the
D. RS cluster are removed and not maintained when DRS is re-enabled.
【多选题】
An administrator is creating a new Virtual SAN cluster on a Layer 2 network. There is an existing Virtual SAN cluster on the same Layer 2 network. Which two actions would allow the new Virtual SAN cluster to coexist with the older cluster? (Choose two.)___
A. Change the default Multicast Address on the new Virtual SAN cluster.
B. Change the default Unicast Address on the new Virtual SAN Cluster.
C. Create a separate VLAN for each cluster.
D. Create an ARP Alias for the Virtual SAN VMkernel Network Adapter.
【多选题】
A vCenter Operations Manager 5.7 environment is upgraded to vRealize Operations. After the upgrade, the analytics services fail to start. Which three steps must be taken to resolve the problem? (Choose three.)___
A. Take the vRealize Operations cluster offline.
B. Delete the activity persistence files.
C. Bring the cluster back online.
D. Remove any unresponsive nodes.
E. Stop the CaSA service.
【多选题】
An organization has an ESXi 6.x host that contains two resource pools. The host is being relocated to a DRS cluster. What two actions can be taken to integrate the host into the cluster, and what would happen to the existing ESXi resource pool hierarchy as a result? (Choose two.)___
A. Place all of the host's virtual machines into the DRS cluster root resource pool. The resource pools present on the host will be deleted.
B. Create a resource pool for the ESXi host's virtual machines and resource pools. The resource pools present on the host will be deleted.
C. Place all of the host's virtual machines into the DRS cluster root resource pool. The resource pools present on the host will be preserved.
D. Create a resource pool for the
E. SXi host's virtual machines and resource pools. The resource pools present on the host will be preserved.
【多选题】
Which two parameters are required when adding an iSCSI target to an iSCSI Software Adapter using Dynamic Discovery? (Choose two.)___
A. The iSCSI device's IP Address or Fully Qualified Domain Name
B. The Port Number
C. The iSCSI device's iSCSI Qualified Name (IQN)
D. The Default Gateway IP Address
【多选题】
Which two SMTP Notification Event Details are specific to alarms triggered by events? (Choose two.)___
A. User Name
B. Summary
C. Old Status
D. Target
【多选题】
Which two High Availability ___ Cluster admission control policies can help avoid resource fragmentation? (Choose two.)(AC)
A. Define failover capacity by static number of hosts
B. Define failover capacity by reserving a percentage of the cluster resources
C. Use dedicated failover hosts
D. Use Virtual Machine Monitoring
【多选题】
An attempt to enable vSphere Fault Tolerance for a powered-on virtual machine fails. Which two scenarios would result in this failure? (Choose two.)___
A. The virtual machine has three vCPUs configured.
B. The host on which the virtual machine is running has insufficient memory resources.
C. The virtual machine has insufficient resources to accommodate full reservation plus the overhead memory.
D. VMware High Availability is enabled on the cluster of which this host is a member.
【多选题】
A vApp template recently added to a Content Library is not displayed. Which two actions could correct this problem? (Choose two.)___
A. Manually synchronize the library
B. Select the Download all library content immediately option
C. Select the Sync subscribed library option
D. Manually download the vApp template
【多选题】
What are three valid disk configurations for the vSphere Data Protection 6.x Appliance? (Choose three.)___
A. 500GB
B. 1TB
C. 1.5TB
D. 2TB
E. 4TB
【多选题】
Which three connection types are available when configuring a vSwitch in the vSphere Web Client? (Choose three.)___
A. VMkernel Network Adapter
B. Physical Network Adapter
C. Virtual Machine Port Group for a Standard Switch
D. vMotion Network Adapter
E. vSAN Network Adapter
【多选题】
Which three features can be enabled for a new host cluster? (Choose three.)___
A. Storage Distributed Resource Scheduling
B. High Availability
C. Fault Tolerance
D. Distributed Resource Scheduling
E. Virtual SAN
【多选题】
An administrator receives a report that no real time statistics are available for a virtual machine in the vCenter Server inventory. Which two statements indicate likely causes of the problem? (Choose two.)___
A. The virtual machine is powered off.
B. The host containing the virtual machine is disconnected from vCenter Server.
C. There is insufficient real time data to display the information.
D. The vCenter Server service is not running.
【多选题】
Your manager has given you a bash script that retrieves data for ESXi 6.x host configurations. This data needs to be collected right after the installation of a host and must be run directly on the host. Which two actions can be used to run this script on an ESXi host? (Choose two.)___
A. Connect to the host with Ruby vSphere Console and run the script from there.
B. Enable SSH access from the Direct Console User Interface.
C. Enable the ESXi Shell from the
D. irect Console User Interface.
【多选题】
Which two are true about the Risk badge in vRealize Operations? (Choose two.)___
A. The Risk badge indicates potential future problems that may degrade the performance of the system.
B. Risks may require attention in the near future.
C. The Risk badge indicates problems that are degrading performance of the system.
D. Risks require attention now to correct system performance problems.
【多选题】
vSphere Update Manager allows which two virtual machine attributes to be upgraded? (Choose two.)___
A. Virtual machine firewall policies for NSX.
B. Software Packages in the virtual machine.
C. Virtual machine Hardware Version.
D. VMware Tools Upgrade.
【多选题】
What are two benefits of using NFS 4.1 with vSphere 6.x as compared to NFS 3? (Choose two.)___
A. NFS 4.1 supports Kerberos Authentication
B. NFS 4.1 supports multipathing
C. NFS 4.1 supports IPv6
D. NFS 4.1 supports hardware acceleration
【多选题】
Which three statements are true regarding Fault Tolerance? (Choose three.)___
A. Applications need to be continuously available to users.
B. Applications without native clustering capabilities can be protected.
C. Custom clustering solutions are complicated to configure and maintain.
D. Applications that have 16 vCPUs are supported.
E. Prevents application crashes by analyzing the workload and correcting problems.
【多选题】
Which two statements are true regarding VMware vSphere Flash Read Cache (vFRC)? (Choose two.)___
A. Cache fills and cache evictions happen in the granularity of a cache block size.
B. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying storage.
C. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying cache data.
D. Cache fills and cache evictions happen in the granularity of the disk block size.
【多选题】
What are two possible causes of Storage Distributed Resource Scheduler (SDRS) being disabled on one or more virtual machine disks in a datastore cluster? (Choose two.)___
A. The virtual machine has vSphere Fault Tolerance disabled.
B. The virtual machine is a template.
C. The virtual machine swap file is on a shared datastore.
D. The disk is a CD-ROM/ISO file.