相关试题
【单选题】
下列( )工作不属于硫磺装置开车准备的工作。___
A. 管道吹扫气密
B. 引瓦斯进分液罐
C. 催化剂装填
D. 引公用工程
【单选题】
引燃料气的步骤顺序正确的是___。
A. 吹扫、试压、置换、引气
B. 试压，吹扫、置换、引气
C. 引气、试压
D. 引气、试压、置换
【单选题】
以下( )不是硫封罐的作用。___
A. 防止气体从液硫线进硫池
B. 保护风机
C. 不使上游装置憋压
D. 提高操作压力
【单选题】
高压容器装设的压力表精度不应低于___。
A. 1.5
B. 2.5
C. 4.0
D. 没有限制
【单选题】
下列关于换热器投用前的准备工作错误的是___。
A. 换热器已吹扫干净
B. 换热器已进行过试压
C. 换热器安装已经验收
D. 换热器导凝已打开
【单选题】
当换热器管束发生泄漏后，采用水压试验来查找漏点，一般选用( )的方式。___
A. 管程打压
B. 管壳程同时打压
C. 半管程打压
D. 壳程打压
【单选题】
现场玻璃板液面引出管高于仪表液位引出管，仪表液位( )现场液位。___
A. 高于
B. 低于
C. 等高
D. 不能确定
【单选题】
装置停车检修期间，装置内用火使用( )用火单。___
【单选题】
工艺设备的接地是为了( )的作用，防止火灾，防止爆炸事故的发生。___
A. 防止静电
B. 避免雷击
C. 防止静电和避免雷击
D. 防止着火
【单选题】
含硫化氢类设备法兰泄漏处理时不正确的方式是___。
A. 佩戴好防毒面具
B. 站在侧风向
C. 专人监护
D. 准备好消防蒸汽
【单选题】
下列不是系统引氮气时所做的准备工作是___。
A. 联系调度
B. 投用蒸汽伴热
C. 进装置总阀后放空
D. 仔细检查确认流程
【单选题】
装置正常运行使用燃料气的设备___。
A. 燃烧炉
B. 焚烧炉
C. 燃烧炉和焚烧炉
D. 脱硫塔
【单选题】
大量氨存在硫磺生产中将导致下列后果___。
A. 产生黑硫磺
B. 无影响
C. 可使催化剂硫酸盐化
D. 管线铵盐结晶
【单选题】
下列不属于硫化氢气体的性质。___
A. 比空气轻
B. 在空气中易燃烧
C. 无色气体
D. 有臭鸡蛋气味
【单选题】
酸性气反应炉与尾气焚烧炉停炉的顺序正确的是___。
A. 酸性气反应炉先停
B. 尾气焚烧炉先停
C. 需要同时停
D. 没有先后顺序
【单选题】
酸性气进炉带液的原因，以下不正确是。___
A. 分液罐液面指示不准造成
B. 上游溶剂再生装置操作波动造成
C. 酸性气伴热未开引起
D. 脱硫醇尾气酸性水窜入分液罐引起
【单选题】
停酸性气原料时，操作人员应采取最合适的措施是___。
A. 开大风机吹扫
B. 改瓦斯完全燃烧
C. 立即停工
D. 用氮气吹扫
【单选题】
发现贫液中溶剂浓度降低，可以通过( )操作来提高溶剂浓度。___
A. 提高再生塔温度降低贫液中硫化氢浓度
B. 往系统内添加新溶剂
C. 往系统内加消泡剂
D. 提高再生塔温度减少溶剂中水含量
【单选题】
当气密过程中有泄漏，正确的做法是___。
A. 直接紧固
B. 继续升压
C. 降到安全压力紧固
D. 边升压边紧固
【单选题】
下列工作哪项不属于硫磺装置开工工作___。
A. 爆破吹扫
B. 烘炉
C. 系统升温
D. 引酸性气
【单选题】
装置气密压力最终要___。
A. 达到设计操作压力
B. 安全阀定压
C. 低于设计操作压力
D. 设备实验压力
【单选题】
正常生产时，硫磺废气蒸汽喷射器处于___。
A. 连续使用
B. 间歇使用
C. 偶尔使用
D. 停用
【单选题】
抗震压力表不允许安装在( )部位。___
【单选题】
( )用于防止管道内的流体逆向流动。___
A. 节流阀
B. 止回阀
C. 安全阀
D. 减压阀
【单选题】
外操在巡检过程中发现氨泄漏，如果可做紧急处理，立即通知班长进行___。
A. 佩戴滤毒罐
B. 报警
C. 切断泄漏点相关阀门
D. 佩戴空气呼吸器
【单选题】
硫磺回收装置四停事故中，( )对装置威胁最大。___
A. 停电
B. 停汽
C. 停循环水
D. 停风
【单选题】
液硫泵全坏对硫磺装置的影响是___。
A. 液硫不能出装置
B. 硫磺产品质量影响
C. 烟囱中二氧化硫排放量上升
D. 没有影响
【单选题】
硫化氢气体的爆炸极限为（体积）___。
A. 4.3~35.5％
B. 4.3~45.5％
C. 35.5~70％
D. 15.7~27.4％
【单选题】
纯硫化氢在空气中达到___℃发生自燃。
A. 170
B. 220
C. 232
D. 260
【单选题】
溶剂再生的酸性气原料主要含有___。
A. 硫化氢、二氧化硫、二氧化碳、烃
B. 硫化氢、二氧化碳、烃、氨
C. 硫化氢、二氧化碳、烃、胺
D. 硫化氢、二氧化硫、烃、氨
【单选题】
氨在燃烧炉高温燃烧后的主要生成___。
A. NO2和H2O
B. N2O5和H2O
C. N2和H2O
D. NO2和N2
【单选题】
产品的不良项分为A、B、C、D四级，A级不良项是指产品的( )不良项。___
【单选题】
硫磺克劳斯反应器投用前升温的作用以下 是不正确。___
A. 检查系统是否通畅
B. 催化剂硫化
C. 烘反应器衬里
D. 防止生产时积硫
【单选题】
克劳斯反应器投用前升温最主要的作用是___。
A. 检查系统是否通畅
B. 催化剂硫化
C. 烘反应器衬里
D. 防止生产时积硫
【单选题】
检修时，瓦斯管线应用蒸汽吹扫( )小时以上。___
【单选题】
反应炉火焰检测器、燃烧视镜和点火管均可用( )吹扫。___
A. 净化风
B. 氮气
C. 燃烧空气
D. 蒸汽
【单选题】
点火失败后常用( )进行吹扫，是为了防止点火时发生爆炸。___
A. 动力风
B. 氮气
C. 净化风
D. 鼓风机空气
【单选题】
硫坑气相部分安装温度计是为了检测是否有___。
推荐试题
【单选题】
Do not ___ the salad until you are ready to serve.
A. mix
B. toss
C. fling
D. eat
【单选题】
The ___ for which he had fought all his life no longer seemed important to him.
A. aims
B. objectives
C. subjects
D. goals
【单选题】
You should pause and ___ now.
A. tweet
B. ponder
C. squander
D. gossip
【单选题】
Eating too much fat can ____heart disease and cause high blood pressure.
A. contribute to
B. attribute to
C. attest to
D. devote to
【单选题】
It soon ___ that what she loved was not my person but my wealth.
A. widened
B. expanded
C. extended
D. developed
【单选题】
I want to buy a new tie to ___ this brown suit.
A. go into
B. go after
C. go with
D. go through
【单选题】
Our company decided to ___ the contract because a number of the conditions in it had not been met.
A. destroy
B. resist
C. assume
D. cancel
【单选题】
My first ___ was to turn and run.
A. institute
B. institution
C. instinct
D. tuition
【单选题】
I think it’s time I ___ in a new computer.
A. invested
B. insulted
C. interacted
D. impacted
【单选题】
The jeweler will ____ the inside of the ring with her name.
A. carve
B. engrave
C. cut
D. engross
【单选题】
He was bleeding from a _____ on his forehead.
A. lash
B. gash
C. ash
D. sash
【单选题】
Let us go to the next ______ on the agenda.
A. matter
B. debate
C. speech
D. item
【单选题】
They are _____ moving their office outside London.
A. considered
B. discussing
C. pondering
D. negotiating
【单选题】
Although she _____ the old pot thoroughly, she could not make it look completely clean.
A. scrubbed
B. washed
C. made
D. screwed
【单选题】
The mistake will remain an indelible ____ on his memory.
A. stain
B. thing
C. issue
D. accident
【单选题】
The wheel ____ through my frozen hand, and the car went right across the road.
A. slipped
B. sipped
C. dashed
D. disappeared
【单选题】
The cupboard was ____ with old fishing tackle.
A. stuffed
B. stocked
C. stored
D. filled
【单选题】
The decision depended on the ____ of a coin.
A. loss
B. lot
C. toss
D. sign
【单选题】
Teaching can be a tiring and ____ job.
A. meaningless
B. stressed
C. rewarded
D. stressful
【单选题】
The building is partly a museum and partly a private ____.
A. place
B. area
C. community
D. residence
【单选题】
Stop ______ your foot.
A. tossing
B. wiggling
C. exhibiting
D. reviewing
【单选题】
It was a bloody ___ between the two armies.
A. rebellion
B. encounter
C. meet
D. fight
【单选题】
They conferred on the best way to ______ business.
A. extend
B. adjust
C. expand
D. adopt
【单选题】
We had a party last month, and it was a lot of fun, so let’s have ____ one this month.
A. another
B. the other B. more D. other
【单选题】
I decided to go to the library as soon as I ____.
A. finish what I did
B. finished what I did
C. would finish what I was doing
D. finished what I was doing
【单选题】
The speaker, ______ for her splendid speeches, was warmly received by the audience.
A. having known
B. being known
C. knowing
D. known
【单选题】
No sooner had we reached the top of the hill ______ we all sat down to rest.
A. when
B. then
C. than
D. until
【单选题】
___ energy under the earth must be released in one form or another, for example, an earthquake.
A. Accumulated
B. Gathered
C. Assembled
D. Collected
【单选题】
Please ___ me for my rudeness. I really do not know the custom here.
A. engaged
B. comfort
C. execute
D. forgive
【单选题】
Sometimes it is very difficult to ___ some of the English words. Even the native speaker cannot help.
A. decrease
B. create
C. define
D. delight
【单选题】
In the wife’s eyes, his ___ to their marriage life is far from perfect.
A. requirement
B. commitment
C. participation
D. reflection
【单选题】
This newspaper often ___ the government’s opinion, not the public opinion.
A. affects
B. reacts
C. reflects
D. recognizes
【单选题】
It is predicted that heavy rains are ___ to flood the area in a few days.
A. frightening
B. threatening
C. scattering
D. warning
【单选题】
I chose to work abroad to improve my career ___.
A. future
B. path
C. prospect
D. expect
【单选题】
Long before I ever went there, Africa was alive in my ___.
A. image
B. imaginary
C. imaginative
D. imagination
【单选题】
The spectacle of the aurora may appear to dazzle and ___ the observer’s eye.
A. enchant
B. charm
C. fascinate
D. draw
【单选题】
The top prize has enhanced the musician’s ___.
A. fame
B. status
C. courage
D. faith
【单选题】
Compared with Westerners, the ___ use less butter. They prefer the very healthful peanut oil.
A. foreigners
B. Southerners
C. Northerners
D. Orientals
【单选题】
Within a few days she had become seriously ill, ___ great pain and discomfort.
A. surviving
B. suffering
C. affecting
D. accepting
【单选题】
People of their generation who lived through World War II have ___ memories of confusion and incompetence.
A. vivid
B. strong
C. acute
D. profound
