【单选题】
G30000.7-2013化学品分类和标签规范第7部分:___是指闪点不大于93℃的液体。
A. 可燃液体
B. 不燃液体
C. 有毒液体
D. 易燃液体
查看试卷,进入试卷练习
微信扫一扫,开始刷题
相关试题
【单选题】
可燃液体以___作为评定液体火灾危险性的主要根据,其越低,危险性越大。
【单选题】
易燃液体的沸点低,挥发出来的蒸汽与空气混合后,浓度易达到___,遇火源往往发生爆炸。
A. 爆炸下限
B. 爆炸上限
C. 着火下限
D. 着火上限
【单选题】
部分易燃液体,如苯、甲苯、汽油等,___都很大,很容易积聚静电而产生静电火花,造成火灾事故。
A. 挥发性
B. 电阻率
C. 溶解度
D. 积电率
【单选题】
易燃液体具有受热膨胀性,应避热存放,灌装时,容器内应留有___以上的空隙。
A. 5%
B. 10%
C. 15%
D. 20%
【单选题】
大多数易燃液体及其蒸气均有不同程度的___,因此在操作过程中,应做好劳动保护工作。
A. 易爆性
B. 腐蚀性
C. 粘性
D. 毒性
【单选题】
自反应物质和混合物(G30000.9-2013)是指热不稳定性液体、固体物质或混合物,即使没有氧(空气),也易发生强烈___。
A. 放热中和反应
B. 放热分解反应
C. 吸热分解反应
D. 吸热聚合反应
【单选题】
生殖细胞致突变性主要是指可引起___的化学品。
A. 人体生殖细胞突变并不能遗传给后代
B. 人体生殖细胞突变并能遗传给后代
C. 人体生殖细胞变大并能遗传给后代
D. 人体生殖细胞变小并不能遗传给后代
【单选题】
《危险货物分类和品名编号》(G6944-2012)国家标准第___类是杂项危险物质和物品。
【单选题】
监控化学品第___类:可作为化学武器的化学品。
【单选题】
监控化学品第___类:可作为生产化学武器前体的化学品。
【单选题】
监控化学品第___类:可作为生产化学武器主要原料的化学品。
【单选题】
监控化学品第___类:除炸药和纯碳氢化合物外的特定有机化学品。
【单选题】
___自2005年11月1日起施行。
A. 危险化学品管理条例
B. 易制毒化学品管理条例
C. 易制爆化学品管理条例
D. 监控化学品管理条例
【单选题】
___化学品是指其本身不属于爆炸品但是可以做为原料或辅料而制成爆炸品的化学品。
A. “监控”
B. “易制毒”
C. “易制爆”
D. “化学武器”
【单选题】
高毒物品是指《卫生部关于印发___的通知》(卫法监发〔2003〕142号)附件中所列物品。
A. 高毒物品目录
B. 高毒物品名录
C. 高毒物品清单
D. 高毒物品列表
【单选题】
剧毒成人致死量,小于0.05克/公斤体重;60公斤成人致死总量___克。
【单选题】
《高毒物品目录》(2003年版)中有共___种高毒物品。
【单选题】
《危险化学品目录》(2015版)所列剧毒品的数量为___种,比较典型和常见的有54种。
A. 148
B. 128
C. 138
D. 158
【单选题】
2011年6月下旬以后,《国家安全监管总局关于公布首批重点监管的危险化学品名录的通知》___公布了《首批重点监管的危险化学品名录》。
A. 安监总局95号令
B. 安监总管三〔2011〕95号
C. 安监总管三〔2015〕95号
D. 安监总局75号令
【单选题】
《___》(G18218--2009)2009年3月31日发布,2009年12月1日实施。
A. 危险化学品危险源辨识
B. 重大危险源辨识
C. 危险化学品重大危险源辨识
D. 危险源辨识
【单选题】
单元内存在的危险化学品为单一品种,则该危险化学品的数量即为单元内危险化学品的总量,若等于或超过相应的临界量,则定为___。
A. 危害
B. 风险
C. 危险源
D. 重大危险源
【单选题】
单元内存在的危险化学品为多品种时,则按每一种危险物品的实际储存量与对应危险物品的临界量比值之和___,则定为重大危险源。
A. 大于
B. 不小于
C. 小于
D. 不大于
【单选题】
可燃物与氧或氧化剂发生强烈的___,同时发出热和光的现象称为燃烧。
A. 分解反应
B. 氧化反应
C. 还原反应
D. 聚合反应
【单选题】
灼热的铁丝能在___中燃烧等,它虽然没有同氧化合,但所发生的反应却是一种激烈的伴有放热和发光的化学反应。
【单选题】
凡能帮助和支持燃烧的物质,即能与可燃物发生氧化反应的物质称为___。
A. 有机物
B. 助燃物
C. 无机物
D. 混合物
【单选题】
氢气在空气中的体积分数少于___时,便不能点燃。
A. 4%
B. 7%
C. 14%
D. 17%
【单选题】
一般可燃物质在含氧量低于___的空气中不能燃烧。
A. 4%
B. 7%
C. 14%
D. 17%
【单选题】
___是指燃烧反应在同一相中进行,如氢气在氧气中燃烧,煤气在空气中燃烧。
A. 统一燃烧
B. 同一相燃烧
C. 剧烈燃烧
D. 均一系燃烧
【单选题】
在___进行的燃烧叫非均一系燃烧。如石油、苯和煤等液、固体的燃烧均属非均一系燃烧。
A. 同一相
B. 不同相内
C. 均一系
D. 不同系
【单选题】
在可燃液体燃烧中,通常不是液体本身燃烧而是由___进行燃烧,这种形式的燃烧叫蒸发燃烧。
A. 液体表面
B. 液体分子
C. 液体产生的蒸气
D. 高温液体
【单选题】
闪燃往往是着火的先兆,能使可燃液体发生闪燃的___称为该液体的闪点。
A. 最高温度
B. 最高熔点
C. 最低熔点
D. 最低温度
【单选题】
可燃物质在有足够助燃物质(如充足的空气、氧气)的情况下,因着火源作用引起的___现象,称为着火。
A. 持续燃烧
B. 瞬间燃烧
C. 猛烈燃烧
D. 爆炸
【单选题】
使可燃物质发生___称为该液体的着火点(燃点)。物质的燃点越低,越容易着火。
A. 瞬间燃烧的最低温度
B. 持续燃烧的最低温度
C. 持续燃烧的最高温度
D. 瞬间燃烧的最高温度
【单选题】
对易燃液体来说,一般燃点约高于闪点___℃。
A. 1~5
B. 3~7
C. 5~9
D. 7~11
【单选题】
在一定条件下,可燃物质产生自燃的___为自燃点,也称引燃温度,自燃点是衡量可燃物质火灾危险性的又一个重要参数。
A. 点火温度
B. 引燃温度
C. 最低温度
D. 最高温度
【单选题】
可燃物质在外界热源作用下,温度逐渐升高,当达到___时,即可着火燃烧,称为受热自燃。
【单选题】
合成橡胶干燥工段,若橡胶长期积聚在蒸汽加热管附近,则极易引起橡胶的___。
推荐试题
【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.
【多选题】
An administrator attempts to install vCenter Single Sign-On Server. The installer returns an error message indicating that the installation failed. Prior to the installation, all setup prerequisites were met. The administrator has generated a vCenter Server Single Sign-On support bundle. Which two files should the administrator analyze to determine the cause of the failure? (Choose two.)___
A. Server\utils\logs\imsTrace.log
B. Server\utils\logs\install.txt
C. %TEMP%\utils\logs\vminst.log
D. %TEMP%\vminst.log
【多选题】
An administrator is unable to remove an ESXi 6.x host from a vSphere Distributed Switch. What are two likely reasons for this issue? (Choose two.)___
A. Vmkernel interfaces on the switch are still in use.
B. VM Network port group adapters are connected to different switch.
C. Physical NICs are migrated to different switch.
D. VM Network adapters are connected to this switch.
【多选题】
Which two Identity Sources are available to add for vCenter Single Sign-On authentication? (Choose two.)___
A. LocalOS
B. OpenLDAP
C. NIS as an LDAP Server
D. VCMSDS
【多选题】
What are three goals of resource management within a cluster? (Choose three.)___
A. To prevent virtual machines from monopolizing resources and to guarantee predictable service rates.
B. To exploit undercommitted resources and overcommit with graceful degradation.
C. To provide solutions to potential problems that you might encounter when using vCenter Server.
D. To control the relative importance of virtual machines and provide flexible dynamic partitioning.
E. To provide additional network administration capabilities.
【多选题】
Which three actions can be taken as a result of executing the vSphere Update Manager 6.x scan and remediation wizards? (Choose three.)___
A. Install and upgrade software in virtual machines.
B. Upgrade the firmware on ESXi host devices.
C. Upgrade and Patch ESXi hosts.
D. Install and update third-party software on hosts.
E. Upgrade virtual machine hardware.
【多选题】
Which two statements are true about deploying and using vSphere Replication? (Choose two.)___
A. ESXi hosts managed by a single vCenter Server instance require a connection between the two vSphere Replication appliances.
B. Sites managed by different vCenter Server instances require a connection between the two vSphere Replication appliances.
C. Sites managed by different vCenter Server instances require the use of Site Recovery Manager and a connection between the two vSphere Replication appliances.
D. ESXi hosts managed by a single vCenter Server instance require a single vSphere Replication appliance.
【多选题】
An administrator is attempting to power on a virtual machine, but the task is hanging at 95%. What three scenarios best explain why this problem is happening? (Choose three.)___
A. A virtual machine question is currently being posed to the administrator.
B. Another task for the virtual machine or other component is already in progress.
C. The VMware High Availability cluster has insufficient resources to guarantee failover.
D. The host has lost access to the storage device containing the virtual machine files.
E. The host is under resource contention and unable to power on the virtual machine.
【多选题】
Which three features are not supported when using Fault Tolerance in vSphere 6.x? (Choose three.)___
A. Virtual Volumes (VVOLS)
B. Storage vMotion
C. Virtual Machine Component Protection
D. vMotion
E. vSphere Distributed Switches
【多选题】
Which two storage controller configurations can be used with Virtual SAN? (Choose two.)___
A. SAS controllers in Passthrough mode
B. SAS controllers in RAID0 mode
C. SAS controllers in RAID1 mode
D. SAS controllers in RAID10 mode
【多选题】
Which three are requirements when using vMotion to move a virtual machine across vCenter Server systems? (Choose three.)___
A. Both vCenter Servers must be using Enhanced Linked Mode.
B. Both vCenter Servers must be in the same Single Sign-On Domain.
C. Time must be synchronized.
D. Duplicate VM MAC addresses must be configured.
E. Both vCenter Servers must have High Availability enabled on source and destination clusters.
【多选题】
Which two components can be used when configuring Enhanced Linked Mode? (Choose two.)___
A. vCenter Server Appliance
B. vRealize Operations Manager
C. vSphere Management Appliance
D. vCenter Server for Windows
【多选题】
An organization has a number of virtual machines that would benefit from Fault Tolerance. These include: <A single vCPU Apache Server> < A dual vCPU vCenter Server> < A quad vCPU SQL Server> <An eight vCPU Hadoop Server>. Which two virtual machines can be configured to use VMware Fault Tolerance? (Choose two.)___
A. Apache Server
B. vCenter Server
C. SQL Server
D. Hadoop Server
【多选题】
Which two badges are major badges in vRealize Operations? (Choose two.)___
A. Risk
B. Efficency
C. Workload
D. Faults
【多选题】
An administrator is deploying multiple Windows 2003 Virtual Machines from the same template. What two steps should be taken to avoid network conflicts? (Choose two.)___
A. Customize the guest operating system.
B. Install VMware Tools into the new virtual machines.
C. Copy the Microsoft Sysprep tools onto the vCenter Server system.
D. Ensure the e1000 vmnic is selected for each new virtual machine.
【多选题】
Which three conditions would prevent Storage I/O Control from being enabled on a group of datastores? (Choose three.)___
A. The datastores planned for the solution are used by different vSphere clusters.
B. A datastore planned for the solution is configured as a Raw Device Mapping file.
C. A datastore planned for the solution has three extents.
D. A datastore planned for the solution is configured as NFS.
E. The organization has an Enterprise license.
【多选题】
Which two actions are prerequisites to adding ESXi 6.x hosts to a vSphere Distributed Switch? (Choose two.)___
A. Verify that there is at least one Distributed Port Group on the Distributed Switch.
B. Verify that the Distributed Port Group have active uplinks configured in its teaming and failover policy.
C. Verify that the
D. istributed Switch has been configured with a Network Profile.
【多选题】
An organization has configured Distributed Power Management (DPM) on a vSphere 6 cluster. The organization wants to be alerted when an ESXi host has been powered down by DPM. Which two options represent the type and name of the alarm that would accomplish this? (Choose two.)___
A. DrsEnteringStandbyModeEvent
B. DrsEnteredStandbyModeEvent
C. Event-based
D. Condition-based
【多选题】
Which two allow for the disabling of Network Rollback operations? (Choose two.)___
A. Modifying the vpxd advanded configuration options and adding the config.vpxd.network.rollback key
B. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the<rollback> xml tag
C. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the <networkrollback> xml tag
D. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\firstboot\vpxd-service- spec.prop file and adjusting the <rollback> xml tag
【多选题】
An administrator is tasked with performing a vMotion migration of a virtual machine. The virtual machine is configured as follows: <vSphere Flash Read Cache (vFRC) enabled> <Is part of a Distributed Resource Cluster (DRS) Cluster> Which two statements are true? (Choose two.)___
A. Each ESXi host in the cluster supports multiple virtual flash resources.
B. Each ESXi host in the cluster supports one virtual flash resource.
C. DRS treats powered-on virtual machines with Flash Read Cache as having a preferred affinity to their current host and moves them only for mandatory reasons.
D. DRS treats powered-on virtual machines with Flash Read Cache as having a required affinity to their current host and does not move them.
【多选题】
An administrator is using the Host Failures to Tolerate Admission Control Policy for a vSphere High Availability ___ cluster. When configuring this setting on the cluster, the administrator sees this error message: <Insufficient resources to satisfy HA failover level on cluster > What are two likely causes for the error? (Choose two.)(AB)
A. The hosts in the cluster are disconnected.
B. A host in the cluster is displaying an HA error.
C.
D. istributed Resource Scheduler has not been configured on the cluster.
【多选题】
What are two ways to identify TCP/IP stack information? (Choose two.)___
A. Using the vSphere Web Client
B. Using esxcli network ip netstack
C. Using esxcfg-netstack
D. Using the vSphere Client
【多选题】
Which two actions are required when enabling vFlash Read Cache for a virtual machine's virtual disk? (Choose two.)___
A. A value in the Virtual Flash Read Cache text box must be entered.
B. A Flash Resource Pool for Cache size reservation must be entered.
C. The Device backing and the block size must be configured.
D. The
E. nable virtual flash host swap cache check box must be selected.
【多选题】
What two IT infrastructure components are virtualized by vSphere Essentials? (Choose two.)___
A. Networks
B. Applications
C. Storage
D. Management
【多选题】
When attempting to access a virtual machine, an administrator is unable to login using the vSphere credentials. What two options are probable causes of the authentication failure? (Choose two.)___
A. The vSphere credentials have not been granted permissions.
B. The vSphere credentials are granted read-only permissions.
C. The vSphere credentials are granted no-access permissions.
D. The vSphere credentials are not a member of the local administrator group.
【多选题】
An administrator is performing a scripted installation of ESXi 6.x. In which three locations does the script need to be? (Choose three.)___
A. PXE Server
B. HTTPS
C. FTP
D. NFS
E. VVOLs Datastore
【多选题】
In order for a company to meet regulatory requirements, all ESXi 6.x Hosts must be configured to direct logs to a syslog server. What are two ways ESXi hosts can configured for this action? (Choose two)___
A. Use the esxcli system syslog command.
B. Edit them in the ESXi host Advanced System Settings.
C. From the Syslog collector user interface of the Web Client.
D. Syslog logging is not available for
E. SXi Hosts.
【多选题】
Which three actions can be executed when an alarm is triggered? (Choose three.)___
A. Send an email.
B. Send an SNMP trap.
C. Run a script or command.
D. Run an Orchestrator workflow.
E. Send a trigger to syslog.
【多选题】
An administrator is attempting to power on a virtual machine, but is unable to do so. Which two reasons are probable causes of the failure? (Choose two.)___
A. Storage access to the virtual machine swap file has been lost.
B. One of the virtual machine VMDK files is locked.
C. Virtual machine is running CentOS 7.0 64-bit.
D. Virtual machine has Hyper-Threading enabled.
【多选题】
An administrator has configured a host profile so that ESXi 6.x hosts will point to the corporate NTP server for time synchronization. The NTP server is located at 10.0.30.213, but time has not been synchronized properly across the ESXi hosts. The administrator reviews Host Profile settings as shown in the Exhibit. Which two steps are required to resolve the issue? (Choose two.)___
A. Correct the NTP server IP address.
B. Check the host for host profile compliance.
C. Remediate the host based on the updated host profile.
D. Change the NTP server to the FQDN as IP Addresses are not supported.
【多选题】
An administrator is attempting to migrate a large Hadoop virtual machine using vMotion. The administrator notices a delay when the machine is quiesced. The Hadoop virtual machine is processing many transactions a second to an in-memory database. Which two actions would help reduce the amount of time needed to perform a vMotion on this virtual machine? (Choose two.)___
A. Use multiple NICs for the vMotion vmkernel port.
B. Use a 10Gbps Network card for the vMotion vmkernel port.
C. Add an additional management network to help transmit the data quicker.
D. Disable Fault Tolerance before performing the vMotion.
【多选题】
An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)___
A. Maintenance mode is unable to migrate all virtual machines from the host.
B. There is a large number of virtual machines that must be migrated from the host.
C. VMware High Availability is in the process of reconfiguring the cluster.
D. Each virtual machine on the
E. SXi host must be reconfigured to recognize the new adapter.
【多选题】
Which two events happen when Distributed Resource Scheduler (DRS) is disabled? (Choose two.)___
A. The cluster's resource pool heirarchy and affinity rules are re-established when DRS is turned back on.
B. The cluster's resource pool hierarchy and affinity rules are not re-established when DRS is turned back on.
C. The cluster's resource pools are removed from the cluster.
D. The cluster's resource pools are removed from the cluster and assigned to the hosts.