【判断题】
第238题：排流管无液体流动不易产生局部腐蚀。正确答案：
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【判断题】
第239题：压力容器连接部位有泄漏现象时，可以拆卸慄栓或拆卸压盖更换垫片或加压填料。正确答案：
【判断题】
第240题：为防止飞温引起事故，甲烷化反应器大多设有高温报警和超高温联锁停车装置。正确答案：
【判断题】
第241题：专项应急预案的事故类型和危害程度分析要在危险源评估的基础上，对其可能发生的事故类型和可能发生的季节及其严重程度进行确定。正确答案：
【判断题】
腐蚀是材料与周围环境元素发生化学变化而遭受破坏的现象。正确答案：
【判断题】
第243题：可燃气体或蒸气与空气的混合物，若其浓度在爆炸下限以下或爆炸上限以上时便不会着火或爆炸。正确答案：
【判断题】
第244题：对冷系统水换热器倒空，应待系统泄压完毕后立即停止水循环，及时将水倒空，防止水窜入冷系统。正确答案：
【判断题】
第245题：安全带使用两年后，按批量购入情况抽验一次。正确答案：
【判断题】
第246题：生产单位应当组织有关专家对本部门编制的应急预案进行审定。必要时可以召开听证会，听取社会有关方面的意见。正确答案：
【判断题】
第247題：在管线法兰连接处通常将螺帽与螺母用铁丝连接起来，目的是导出静电。正确答案：
【判断题】
第248題：滤毒罐分大、中、小三种形式，分别用于毒气体积浓度不大于2%、1%、0.5%的场合。正确答案：
【判断题】
第249题：乙烯制冷压缩机系统实气置换时，应注意机体充压、泄压缓慢进行，防止压缩机密封系统有大的波动。正确答案：
【判断题】
第250题：裂解气压缩机在开车升速过程中，可以在临界转速区域长时间停留。正确答案：
【判断题】
第251题：压缩机透平两端吹氮气的目的是防爆，起到安全的作用。同时也可提高两端轴承的温度。正确答案：
【判断题】
正常运行时，在冷箱进出口安装精密压力表定期监测。当压差増大到一定程度时，即需要将冷箱切出清理滤网，或者需要注入甲醇等物质解冻。正确答案：
【判断题】
第253题：乙烯装置所用助剂二甲基二硫为无色或微黄色液体，接触后可引起头痛、恶心和呕吐。正确答案：
【判断题】
第254题：煤块在常温下不易着火，更不易发生爆炸。因此煤矿开采和加工一般不用防爆。正确答案：
【判断题】
第255题：生产过程中发现设备泄漏应及时进行消漏，以减少无组织排放。正确答案：
【判断题】
256题：应急预案应当包括应急组织机构和人员的联系方式、应急物资備备清单等附件信息。附件信息应当经常更新、确保信息准确有效。正确答案：
【判断题】
第257题：人身中毒的途径为呼吸道、消化道、皮朕。正确答案：
【判断题】
第258题：在应急管理中，恢复阶段的目标是尽可能地抢救受害人员，保护可能受威胁的人群，尽可能控制并消除事故。正确答案：
【判断题】
第259题：硫化氢在空气中的允许浓度为20 mg/m。正确答案：
【判断题】
第260题：急冷油粘度过高会造成降低急冷油的传热系数，増加急冷油循环泵的功率，并有可能阻塞管线及设备。正确答案：
【判断题】
第261题：裂解炉二次注汽技术的应用主要目的是防止原料在对流段加热汽化过程中结焦。正确答案：
【判断题】
第262题：应急响应即事故发生后有关组织或人员采取的应急行动。正确答案：
【判断题】
在制作某些器具的时候，可以随意切割盛装化学品的空桶。正确答案：
【判断题】
第264題：冷泵其实相当于油泵的排气正确答案：
【判断题】
第265题：毒物主要通过呼吸道进入人体。正确答案：
【判断题】
第266题：汽包液位不能太高，否则会将水帯入过热炉管中，造成热循环。若水帯入太多，还会造成炉管的机械损坏或故障。正确答案：
【判断题】
一切电气设备的金属外壳接地是避免人身触电的保护接地。正确答案：
【判断题】
第268题：登高作业所使用工具应采取防脱落措施。正确答案：
【判断题】
第269题：无组织排放是指大气污染物不经过排气筒的无规则排放。正确答案：
【判断题】
第270题：为减少无组织排放，应定期对生产现场密封点进行检查、检测，及时消除物料泄漏。正确答案：
【判断题】
第271題：所有的废催化剂在卸出之前都应经充分的吹扫、置换。正确答案：
【判断题】
第272题：安全阀是一种由进口静压开启的自动泄压装置，防止容器超压。当容器内压力超过某一值时，阀门依靠介质自身压力自动幵启，迅速排除一定数量的介质。但是当容器内压力降低到允许值时，阀门不会自动关闭。正确答案：
【判断题】
第273题：某建筑工人经过安全教盲培训后，仍然未戴安全帽就进入现场作业施工，从事故隐患的角度来说，这种情况属于人的不安全行为。正确答案：
【判断题】
第274题：静电能够引起火灾爆炸的原因在于静电放电火花具有点火能量。正确答案：
【判断题】
压缩机检修后，在空试阶段不需要考核压缩机的控制系统。正确答案：
【判断题】
第276题：压力容器是承受气体或酒体压力的容器。正确答案：
【判断题】
第277题：任何单位和个人不宜侵占、毁损、拆除或者擅自移动地震监测设施。正确答案：
【判断题】
第278题：工业毒物由呼吸道、消化道、皮肤等器官进入人体.其进入人体的主要途径是皮肤。正确答案：
推荐试题
【单选题】
Hello, how are you?___
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
【单选题】
I didn't mean to do that. Please forgive me。___
A. Not too bad.
B. That's all right
C. It's a pleasure.
D. Thank you.
【单选题】
Thank you for your invitation.___
A. It doesn’t matter.
B. It's a pleasure.
C. It's a small thing.
D. I'll appreciate it.
【单选题】
What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
C. You want to have one, too?
D. Thank you.
【单选题】
I think he is a good lecturer.___
A. Sorry, it doesn’t matter.
B. So do I.
C. Yes. It's a good idea
D. I don't mind
【单选题】
— What's the matter, dear?___
A. I didn't go to school.
B. I have a terrible headache.
C. I took the kids shopping today.
D. It is a beautiful dress.
【单选题】
Good morning, may I speak to Mark, please?___
A. Who's there?
B. Who's that speaking?
C. Who are you?
D. Who wants to speak to Mark?
【单选题】
Let me introduce myself. I'm Steward.___
A. What a pleasure.
B. Pleased to meet you.
C. I don't know.
D. Thanks a lot.
【单选题】
Let's go to the library this afternoon.___.
A. Yes, that's right.
B. No. I can't.
C. What about you?
D. That's a good idea.
【单选题】
What does Tom's wife do for a living?___.
A. She is a doctor.
B. Tom loves his wife.
C. She has a happy life.
D. She lives far from here.
【单选题】
How tall is your sister?___
A. She is not very well.
B. She is 28 years old.
C. She is very nice.
D. She is as tall as I am.
【单选题】
What do you think of this novel?___
A. I've read it.
B. It's well-written.
C. It was written by my uncle.
D. I bought it yesterday.
【单选题】
How much is this necklace?___
A. It's very nice.
B. It's a birthday present from my parents.
C. It costs fifty pounds.
D. It's a bargain.
【单选题】
How can I get to the cinema?___
A. It's very far.
B. Yes, there is a cinema near here.
C. It's well known.
D. Go down this street and turn left.
【单选题】
What's the matter, John?___
A. I failed my French test
B. It doesn't matter.
C. Nothing's wrong with him.
D. I don't think I can.
【单选题】
What are you majoring in?___
A. In a university.
B. Very hard.
C. Mathematics.
D. At nine in the morning.
【单选题】
Are you going on holiday for a long time?___
A. It was a long time.
B. Two weeks ago.
C. No. Only a couple of days.
D. Not long time ago.
【单选题】
Is Mary there?___
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
What day is today?___
A. It's March 6.
B. It's a fine day today.
C. It's March.
D. It's Monday.
【单选题】
Is that seat taken?___
A. Please don't worry.
B. I don't think so.
C. Why not?
D. It's very nice.
【单选题】
Thank you for calling.___
A. Don’t mention it.
B. That's fine.
C. Nice talking to you.
D. Call back again.
【单选题】
How are you getting on today?___
A. Very well.
B. How do you do?
C. I'm a doctor.
D. Nice to have known you.
【单选题】
How's your family?___
A. Thanks all the same.
B. Thanks for calling.
C. Not too bad.
D. Don't mention it.
【单选题】
- How is it that you are late for class again?___
A. Because I missed the bus
B. By bus and then on foot
C. Yes, it is quite wrong
D. It is far from school
【单选题】
- Excuse me. Could you spare me a few minutes? - ___
A. Of course.
B. Of course not.
C. I am sorry to hear that.D.Yes. I'm busy now.
【单选题】
- It's very thoughtful of you to give me a ride. ___
A. It's my pleasure.
B. Take it easy.
C. Sure.
D. Never mind.
【单选题】
- This is heavy! What's in it? ___
A. I think you don't like it.
B. My new computer. I just bought it.
C. I'm glad you're here.
D. Are you really interested in it?
【单选题】
___ I'd like to place an order please.
A. Can I help you?
B. I can help you.
C. What are you doing?
D. Why are you doing?
【单选题】
- Do you know the girl over there?___
A. How can I know?
B. Yes, I remember it now.
C. It's Sam, my teacher's daughter.
D. She is a good girl.
【单选题】
- Shall we go out for dinner tonight?____
A. No, you can't.
B. Yes, please.
C. Thank you, I don't want to.
D. Sorry, I have a report to finish.
【单选题】
- I think the reference book（参考书）is very helpful.____
A. Good idea.
B. So do I.
C. With pleasure.
D. No problem.
【单选题】
- I wish you success in your career.____
A. You are welcome.
B. I think so.
C. Yes, please.
D. The same to you.
【单选题】
- Would you like to come over tonight?____
A. Yes, last night.
B. Yes, over there.
C. Sure, I'd love to.
D. Yeah, I liked it too.
【单选题】
- How do I transfer calls? ____
A. Do as you like.
B. It is a bit difficult.
C. Let me show you.
D. Not at all.
【单选题】
- Thanks for inviting me, John, but I've already made other plans. ____. Maybe another time.
A. I hope you enjoy it
B. That's good
C. Oh! I'm sorry to hear that
D. Great! I really had a good time
【单选题】
- Thanks for the lovely party and the delicious food. ____
A. No, thanks.
B. Never mind.
C. Thank you for coming.D.That's all right.
【单选题】
- Why didn't you tell me? ____
A. Sorry, I forgot.
B. I'm sorry you should wait.
C. I don't know.
D. I'd love to.
【单选题】
- What do you plan to do after the exam? ____ How about you?
A. I hate taking exams.
B. I like making plans.
C. Nothing special.
D. I've changed my mind.
【单选题】
- Tom told me that you collect stamps. ____
A. What do you mean?
B. I don't think so.
C. Why did he tell you?
D. Yes, I do. Do you?
【单选题】
- This is a challenging job. Who wants it？____
A. I'll take it.
B. It's a good idea.
C. You bet!
D. No sweat!
