【单选题】
气化炉开工烧嘴使用的燃料、助燃剂分别使用的是___。
A. 天然气 氧气
B. 解析气 工厂风
C. 天然气 工厂风
D. 解析气 氧气
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相关试题
【单选题】
停车检修时，做法错误的是___。
A. 检修人员进入 N2 置换后的设备内时，需先用压缩风吹扫，检验气样合格后方可
B. 冬季停工时，水蒸汽线必须用压缩风吹扫排净积水
C. 冬季对某些无法将水排净的露天设备管线死角，必须把设备解体，排尽积水
D. 冬季停车时，水线导淋应打开排水，蒸汽导淋不用排水
【单选题】
串级控制系统的特点___。
A. 在系统结构上组成二个闭合回路
B. 主、副调节器串联，主调节器的输出作为副调节器的给定值
C. 在系统特性上，由于副回路的作用，有效地克服了滞后，可大大提高调节质量
D. 主、副回路协同工作，克服干扰能力强，可用于不同负荷和操作条件变化的场合
【单选题】
饱和蒸汽在同一压力下，经过过热器进一步吸收热量使其温度高于该压力下所对应的沸腾温度时，也就是（ ）不变，温度增高，此时的蒸汽即为过热蒸汽。___
A. 密度
B. 压力
C. 热值
D. 体积
【单选题】
由于变换反应是放热反应，适当降低温度有利于平衡向右移动，因此平衡常数随温度的降低而增大。当适当降低时，对于 CO 变换反应，CO 的含量___。
A. 降低
B. 升高
C. 不变
D. 先升后降
【单选题】
在甲醇热再生塔中用（ ）做气提介质，将溶解于甲醇中的 CO2、H2S、COS 全部解吸出来，达到富甲醇再生的目的。为了向硫磺回收装置提供合格的原料气，用易分离的甲醇蒸气做气提介质，是比较合理的。___
A. 低压氮气
B. 中压蒸汽
C. 甲醇蒸汽
D. 低压蒸汽
【单选题】
VPSA 单元均压降压过程，这是在吸附过程结束后，顺着吸附方向将塔内的较高压力的氢气放入其它已完成再生的较低压力吸附塔的过程，该过程不仅是降压过程，更是回收床层死空间（ ）的过程，本流程共包括了七次连续的均压降压过程，因而可保证氢气的充分回收。___
A. CO
B. H2
C. CH4
D. CO2
【单选题】
高压锅炉水经过 21FV00057 控制流量，进入V2101，该股水的作用是（ ）。___
A. 除去合成气携带的煤灰等杂质
B. 除去合成气中的 H2S
C. 除去合成气中的 NH3
D. 除去合成气中的 HCN
【单选题】
高压锅炉水经过 E2111 后分为两路，一路作为（ ），另外一路作为（ ）。___
A. T2101 洗涤水、T2401 洗涤水
B. R2102 入口补水，R2103 入口补水
C. V2101 洗涤水、水冷壁上水
D. 烧嘴冷却水罐补水、洗涤塔补水
【单选题】
低温甲醇洗装置冷区（指介质温度在 0℃以下）换热器冷、热介质投用的先后顺序是（ ）。___
A. 先投热介质，再投冷介质
B. 先投冷介质，再投热介质
C. 冷、热介质同时投
D. 只投冷介质，不投热介质
【单选题】
E2103 的压力控制方式为（ ）。___
A. 21PICA00012 单回路控制
B. 21PICA00026 单回路控制
C. 21PICA00012 分程控制
D. 21PICA00012 串级控制
【单选题】
E2103 建立正常液位后，打开底部煮炉蒸汽手阀，引蒸汽煮炉升温，通过调节手阀开度控制炉水升温速度不大于（ ）℃/h，直至炉水至沸腾状态。___
A. 25
B. 50
C. 75
D. 100
【单选题】
装置气密时对于变换变换单元，高压区的最终气密压力为（ ），开工循环气系统的最终气密压力为()，工艺凝液回收系统系统的最终气密压力为（ ）。___
A. 3.0、1.5、0.6
B. 4.0、1.0、0.6
C. 3.0、1.5、0.3
D. 4.0、1.0、0.3
【单选题】
若导气后出现严重超温，原则上：通过 T-2101 后放火炬压控阀 21PV00027，降低系统压力至0.2~0.3Mpag。快速（ ），气化单元相应通过合成气放火炬控稳系统压力。___
A. 关小 21HV00006 直至全关
B. 开大 21TV00008 直至全开
C. 开大 21HV00006 直至全关
D. 关小 21TV00008 直至全开
【单选题】
体积含量≤（ ）、变换气温度 21TI00045≤40℃时，变换气可输送至酸性气脱除单元。___。
A. 0.8%（V）
B. 1.5%（V）
C. 2.0%（V）
D. 3.0%（V）
【单选题】
原始开车时，低温甲醇洗单元在（ ）时必须投用喷淋甲醇，当外操通知内操流程已经改好，内操则需将 22FV00004 调节其开度控制流量。___
A. 导气中
B. 导气后一小时
C. 导气前一小时
D. 导气后半小时
【单选题】
汽提段，当 T2205 的汽提段集液盘建立 70％液位后，确认（ ）关闭，按操作规程启动 P2206，向 T2201 建立液位。___
A. 22XV00009、22XV00011
B. 22XV00009、22XV00012
C. 22XV00009、22XV00012
D. 22XV00010、22XV00012
【单选题】
低温甲醇洗循环降温时，开始由于甲醇和液态丙烯之间温差较大，液态丙烯会被很快蒸发，此时控制阀保持手动状态，通过控制进深冷器的液态丙烯量来控制系统的降温速率，系统降温初期的降温速率不大于（ ）（参考 T2204 塔底温度 22TI00046）。深冷器进液态丙烯后注意及时调整C2401 工况。___
A. 2℃／h
B. 10℃／h
C. 15℃／h
D. 20℃／h
【单选题】
低温甲醇洗循环降温时，为防止 T2204 塔底出口甲醇温度低至 E2218、T2205 最低设计温度 2℃，在投用丙烯深冷器之后，及时投用（ ），打开22FV00018，使低压蒸汽进入 E2227。调整 22FV00018开度，通过控制进入 E2227 的蒸汽量来控制 T2205 塔底的甲醇温度在（ ）℃。___
A. E2227、120
B. E2228、105
C. E2227、105
D. E2221、141.5
【单选题】
低温甲醇单元甲醇水分离塔开车成功后，采样分析 T2205 气提段集液盘甲醇组成，甲醇中水含量至少＜（ ）％（wt）为合格。___
A. 0.5
B. 1.0
C. 1.5
D. 2.0
【单选题】
低温甲醇洗单元导气调整平稳后，取样分析克劳斯气中硫化物浓度达到（ ）％之后，联系调度，打开 22PV00054，将克劳斯气改去硫磺装置，将 22PIC00054 给定（ ）MPa 投自动、22PIC00073给定（ ）MPa 投自动。___
A. 30、0.29、0.25
B. 25、0.25、0.29
C. 30、0.25、0.29
D. 35、0.25、0.29
【单选题】
当 T2201 塔出口工艺气温度达到－40℃，采样分析粗氢组成，当粗氢中总硫（H2S+COS）<（v/v），CO2＜（ ）（v/v）时，用粗氢置换 VPSA 界区阀阀前管线，粗氢可送至 VPSA 单元。___
A. 0.1×10-6、20×10-6
B. 0.5×10-6、20×10-6
C. 0.5×10-6、10×10-6
D. 1.0×10-6、20×10-6
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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?___
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When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
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What is a pool of raw storage capacity that a storage system can provide to Virtual Volumes?___
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vSphere 6.5 DRS is now Network-Aware. Based on network utilization, when will DRS balance VMs?___
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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?___
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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?___
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To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
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What is the command for updating an ESXi host?___
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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?___
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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?___
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【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.”
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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
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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.
