相关试题
【单选题】
PV50006的压力控制在___。
A. 0.5Mpa
B. 0.05Mpa
C. 0.07Mpa
【单选题】
引起LV50001阀门关的原因是___。
A. LAH50302
B. LAH50304
C. LAHH50302
【单选题】
干燥器可将聚合物的水含量降至___。
A. 0.005
B. 0.05
C. 0.02
D. 0.002
【单选题】
由界区来的中压蒸汽温度为___摄氏度。
A. 250
B. 240
C. 280
D. 220
【单选题】
进入D501内部汽蒸的蒸汽有___股。
【单选题】
E503出口TIC50301的正常温度为___。
【单选题】
CY502下料不畅,容易引起___塔带粉料。
A. C501
B. C502
C. C302
D. C301
【单选题】
下列选项中,由于汽蒸罐系统原因引起床层温度低的是___。
A. 汽蒸罐出料管线堵
B. 汽蒸罐洗涤塔泛塔
C. 汽蒸罐罐分布板堵塞
D. 尾气压缩机停
【单选题】
D502出料管线上取样口点位号是___。
【单选题】
干燥系统的K502启动时,通过调节___来调节出口压力。
A. 出口阀
B. 入口阀
C. 出口管线的回流阀
D. 无需调节
【单选题】
为防止粉末进入M501的填料密封,采用___对M501进行冲洗。
【单选题】
不是造成M501停车的原因是___。
A. IAHH-501
B. FALL-501
C. TAHH-501
【单选题】
废油处理过程中,当D607的温度维持在大约___时且温度不再上涨,说明失活反应已基本结束。
【单选题】
D606的凝液通过___送往界区。
A. LV60301
B. LV50101
C. LV60300
【单选题】
下列___泵,不能备泵自启。
A. P601A/B
B. P603A/B
C. P606A/B
【单选题】
冷冻水中添加乙二醇的含量保持在___。
【单选题】
凝液系统开车,首先向凝液罐中补充___。
A. 新鲜水
B. 循环水
C. 脱盐水
D. 以上都可以
【单选题】
D601正常操作压力为___。
A. 0.1
B. 0.05
C. 0.02
D. 0.01
【单选题】
本装置的制冷剂是___ 。
A. F12
B. F22
C. 丙烯
D. 乙二醇
【单选题】
经过PA601冷冻机后其冷冻水给水RWS温度是___。
A. -2℃
B. 2℃
C. 10℃
D. 20℃
【单选题】
聚丙烯装置低压排放罐的压力一般在___Mpa。
A. 0.03-0.04
B. 0.04-0.05
C. 0.05-0.08
D. 火炬背压
【单选题】
HV30001切向排放时一般指向___。
【单选题】
废水收集池的容量是按聚合区___的最大降雨量来设计的。
A. 10min
B. 20min
C. 30min
【单选题】
空气呼吸器的正常使用范围是___Mpa。
A. 5-30
B. 10-30
C. 5-20
D. 10-25
【单选题】
原料丙烯中的水含量工艺指标设计要求小于___ppm。
【单选题】
COS在丙烯中的合格含量为___ppm。
A. <0.05
B. <0.03
C. <0.02
【单选题】
C703的热氮气再生温度应达到___左右。
A. 100℃
B. 150℃
C. 180℃
D. 240℃
【单选题】
C701主要作用是去除原料中的___。
A. CO
B. H2O
C. COS
D. O2
【单选题】
C703再生使用的介质是___。
A. 热氮气
B. 丙烯气
C. 氢气
D. 空气
【单选题】
当精馏塔处于___时,此时的回流比最大。
A. 全回流
B. 最小回流
C. 适宜回流
D. 正常回流
【单选题】
C701系统的FV70002排往界区___系统。
【单选题】
聚合反应系统CO合格的标准是___。
A. ≤0.05PPm
B. ≤3PPm
C. =5PPm
D. ≤20PPm
推荐试题
【单选题】
加快形成党内法规制度体系,要坚持______与依规治党统筹推进、一体建设。 ___
A. 有法可依
B. 依法治国
C. 有法必依
D. 执法必严
【单选题】
要坚持用____新时代中国特色社会主义思想武装头脑、指导实践、推动工作。___
A. 习近平
B. 邓小平
C. 毛泽东
D. 马克思
【单选题】
党必须着力增强______,不断提高把方向、谋大局、定政策、促改革的能力。 ___
A. 统筹全局本领
B. 理论创新本领
C. 经济建设本领
D. 政治领导本领
【单选题】
各级党组织和广大党员要保持锐意进取的精神风貌,进一步______,做到登高望远、居安思危,勇于变革、勇于创新、永不僵化、永不停滞。 ___
A. 解放思想、实事求是
B. 实事求是、与时俱进
C. 解放思想、与时俱进
D. 与时俱进、求真务实
【单选题】
增强科学发展本领,要不断增强我国经济创新力和竞争力,不断开创______新局面。 ___
【单选题】
____是新的历史条件下党执政的基本方式。 ___
A. 执法必严
B. 有法可依
C. 依法执政
D. 违法必究
【单选题】
马克思主义政党学说的基本原则是___。 ___
A. 无产阶级掌握国家政权的最高权力
B. 无产阶级执政党必须坚持党对国家政权的最高领导权
C. 工人阶级掌握国家政权的最高权力
D. 无产阶级执政党必须坚持人民对国家政权的最高领导权
【单选题】
党领导的事业越是伟大,就越要加强___,就越要把党锻造为合格的最高政治领导力量。 ___
A. 党的队伍
B. 党的理论
C. 党的组织
D. 党的建设
【单选题】
创新____体制机制和方式方法,要既服务群众,又带领群众坚定不移贯彻落实党的理论和路线方针政策。 ___
A. 群众工作
B. 群众路线
C. 群众发展
D. 群众观念
【单选题】
列宁曾多次强调:“____是直接执政的无产阶级先锋队,是领导者。” ___
【单选题】
增强______本领要加快形成覆盖党的领导和党的建设各方面的党内法规制度体系。 ___
A. 执法必严
B. 依规治党
C. 依法执政
D. 法制建设
【单选题】
要把党的____确定的夺取新时代中国特色社会主义伟大胜利宏伟蓝图变为现实,关键是要狠抓落实。 ___
A. 十六大
B. 十七大
C. 十八大
D. 十九大
【单选题】
党的领导地位和____不是与生俱来,也不是一劳永逸的。___
A. 执政地位
B. 首创地位
C. 国际地位
D. 社会地位
【单选题】
中国共产党要把______这场伟大的革命进行好,党必须进行自我革命,全面增强党的执政本领。 ___
A. 新时代经济体制改革
B. 新时代政治体制改革
C. 新时代坚持和发展中国特色社会主义
D. 新时代中国改革开放
【单选题】
中国特色社会主义道路是实现社会主义现代化、创造人民美好生活的______。___
A. 理论依据
B. 必由之路
C. 根本保障
D. 行动指南
【单选题】
确保党始终总揽全局、协调各方,必须____。___
A. 得民心者得天下
B. 坚持和完善党的领导的体制机制
C. 学习达国家的经验
D. 选举优秀领导人
【单选题】
增强面对新时代新使命,必须在全党营造善于学习、勇于实践的浓厚氛围,建设马克思主义____政党。 ___
A. 人民型
B. 事业型
C. 研究型
D. 学习型
【单选题】
必须坚持党的( ),既要充分发扬民主,又要善于集中。 ___
A. 集中民主制
B. 民主集中制
C. 多党合作制
D. 全民民主制
【单选题】
党是最高政治领导力量,是推进伟大事业的( )保证。 ___
【单选题】
According to one study, what do green spaces do to people? ___
A. Improve their work efficiently.
B. Add to their sustained happiness.
C. Help them build a positive attitude towards life.
D. Lessen their concerns about material well-being.
【单选题】
What does Dr. White say people usually do to make themselves happier? ___
A. Earn more money.
B. Settle in an urban area.
C. Gain fame and popularity.
D. Live in a green environment.
【单选题】
What does Dr. White try to find out about living in a greener urban area? ___
A. How it affects different people.
B. How strong its positive effect is.
C. How long its positive effect lasts.
D. How it benefits people physically.
【单选题】
What did Dr. White’s research reveal about people living in a green environment? ___
A. Their stress was more apparent than real.
B. Their decisions required less deliberation.
C. Their memories were greatly strengthened.
D. Their communication with others improved.
【单选题】
According to Dr. White, what should the government do to build more green spaces in cities? ___
A. Find financial support.
B. Improve urban planning.
C. Involve local residents in the effort.
D. Raise public awareness of the issue.
【单选题】
The survey by the Kaiser Family Foundation is mentioned to illustrate the idea that . ___
A. kids don’t always follow parents’ rules
B. only few parents believe the good news
C. much media use results in bad health
D. parents’ rules make a huge difference
【单选题】
What did the kids do when parents set any time or content limits, according to the Kaiser Family Foundation? ___
A. They cut down on their screen time.
B. They appreciated their parents’ love.
C. They spent more time staying outdoor.
D. They accepted parents’ rules unwillingly.
【单选题】
What will Kenneth Ginsburg most probably suggest that parents should do? ___
A. Avoid setting firm rules.
B. Avoid ruling with an iron grip.
C. Set rules after family discussion.
D. Set rules that are easy to understand.
【单选题】
Margaret Broe -Fitzpatrick finds it impossible. ___
A. to achieve just- right parenting
B. to keep track of everything done by the kids
C. for the kids to face rules alone
D. for the kids to observe rules without protest
【单选题】
The passage is mainly intended for parents . ___
A. whose kids have difficulty in self- discipline
B. whose kids are addicted to media use
C. who have doubts about setting rules
D. who are too busy to care for their kids
【单选题】
The word “it” (Para. 2) most probably refers to. ___
A. the lack of stable communities
B. the breakdown of informal information channels
C. the increased mobility of families
D. the growing number of people moving from place to place
【单选题】
The main problem people may encounter today arises from the fact that . ___
A. they have to learn new things consciously
B. they lack the confidence of securing reliable and trustworthy information
C. they have difficulty obtaining the needed information readily
D. they can hardly carry out casual communications with an extended family
【单选题】
From the passage we can infer that _______. ___
A. electronic mail will soon play a dominant role in transmitting messages
B. it will become more difficult for people to keep secrets in an information era
C. people will spend less time holding meetings or conferences
D. events will be reported on the spot mainly through satellites
【单选题】
Technology facilitates _______. ___
A. sharing information
B. storing and sending information
C. providing people with easy access to more information
D. all of the above
【单选题】
We can learn from the last paragraph that _______. ___
A. it is necessary to obtain as much
B. people should make the best use of the information
C. we should realize the importance of accumulating information
D. it is of vital importance to acquire needed information efficiently
【单选题】
The author thinks that people are _________. ___
A. satisfied with their appearance
B. concerned about appearance in old age
C. far from neglecting what is in fashion
D. reluctant to follow the trends in fashion
【单选题】
Fashion magazines and TV advertisements seem to link fashion to _________. ___
A. confidence in life
B. personal dress
C. individual hair style
D. personal future
【单选题】
Causes of fashions are _________. ___
A. uniform
B. varied
C. unknown
D. inexplicable
【单选题】
Present-day society is much freer and easier because it emphasizes _________. ___
A. uniformity
B. formality
C. informality
D. individuality
【单选题】
Which is the main idea of the last paragraph? ______________ ___
A. Care about appearance in formal situations.
B. Fashion in formal and informal situations.
C. Ignoring appearance in informal situations.
D. Ignoring appearance in all situations.
【单选题】
Permissive parents would ________. ___
A. let their children read any books they like to
B. not let their children see any films they like to
C. not let their children read any books without first checking their contents
D. let their children see the films with their first checking