【判断题】
为了防止发电机导线发生腐蚀，水内冷发电机冷却水的PH值一般应小于6.8。( )
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相关试题
【判断题】
锅炉给水加联氨是为了提高其pH值。（ ）
【判断题】
一级除盐水处理设备产生的碱性废水一般少于酸性废水。( )
【判断题】
电力系统稳定运行时，发电机发出的总功率与用户消耗的总功率相等。（ ）
【判断题】
火力发电厂的能量转换过程是:燃料的化学能热→能→机械能→电能。( )
【判断题】
若流过几个电阻的电流相等，这几个电阻一定是并联。（ ）
【判断题】
流量是指单位时间内流体流过某一截面的量。( )
【判断题】
火力发电厂的主要污染物是烟气、废水、粉煤灰和噪声。( )
【简答题】
请指出下列化合物中硫和磷的化合价。
H2S H2SO4 Na3PO4 P
【简答题】
银量沉淀滴定法测定水中氯离子时，为什么要剧烈地摇动锥形瓶?
【简答题】
何谓电导分析法?电导式分析仪器主要由哪几部分组成？
【简答题】
计算题:
1.食盐在10℃时的溶解度是35.8g,试计算在此温度时食盐溶液的质量分数。
【简答题】
计算题:
2.某澄清池原水流量为700m3/h，混凝剂浓度为500mmol/L,混凝剂有效剂量为0.2mmol/L,求混凝剂溶液每小时的消耗量?
【简答题】
计算题:
3.一台离子交换器的直径D=2.5m,内装树脂层的高度，H=1.6m，求内装树脂的体积V?
【简答题】
计算题:
4.一台离子交换器的直径D=2.5m,运行失效后进行反洗，反洗水流速v=18m/h，反洗时间t=15min，求反洗用水量V?
【简答题】
绘图题
画出阳离子交换器的结构示意图。
【简答题】
初级电厂水处理值班员技能要求试卷
一、操作能力
1.测定水样的碱度。
【简答题】
初级电厂水处理值班员技能要求试卷
一、操作能力
2.测定水样的电导率。
【简答题】
初级电厂水处理值班员技能要求试卷
一、操作能力
3.简述本厂过滤器的反洗操作步骤。
【简答题】
初级电厂水处理值班员技能要求试卷
一、操作能力
4.简述本厂阳离子交换器的大反洗操作步骤。
【简答题】
初级电厂水处理值班员技能要求试卷
一、操作能力
5.简述本厂浮动床的体外擦洗操作步骤。
【简答题】
初级电厂水处理值班员技能要求试卷
一、操作能力
6.简述本厂清水泵的启动（包括启动前检查准备工作）、停止操作步骤。
【简答题】
初级电厂水处理值班员技能要求试卷
二、监视调整能力
1.离子交换器用水力喷射器再生时，发现水往计量箱中倒流，如何分析原因和进行处理？
【简答题】
初级电厂水处理值班员技能要求试卷
二、监视调整能力
2.重力式滤池的水位升高是什么原因？如何处理？
【简答题】
初级电厂水处理值班员技能要求试卷
三、安全排障能力
当浓碱溅到眼内或皮肤上时，应如何处理？
【简答题】
初级电厂水处理值班员技能要求试卷
四、计算和表达能力
测定某澄清水样碱度，取100mL水样用酚酞作指示剂，消耗c（1/2H2SO4）=0.01mol/L硫酸标准溶液Va=9.8mL，再以甲基橙为指示剂，又消耗此硫酸标准溶液Vb=5.3mL，求此水样碱度中HCO3-、OH-、CO32-的含量。
【单选题】
某项目的状态报告显示,项目的完工百分比为30%,实际已经使用了60%的日历时间。在获得这个状态信息之后,管理层对项目进度大为不满,要求采取措施加快进度。你作为管理层的项目管理顾问,应该给管理层提供什么建议? （ ）
A. 重新确定进度基准,以便符合实际情况
B. 对关键活动进行分析,确定能否赶工或快速跟进
C. 识别实际持续时间超过计划持续时间的那些活动
D. 收集更多信息,以便做出正确判断
【单选题】
了解光环效应非常重要，因为有这样一种趋势：（ ）
A. 内部提拔
B. 聘用最优秀的
C. 提拔那些在某技术领域优秀的人作为项目经理
D. 提拔那些受过项目管理培训的人作为项目经理
【单选题】
在交付一个关键产品期间，识别到一个问题将会延迟项目二周时间。在评估该问题时，很清楚的是某个团队成员一个月前已经注意到这个风险，但是没有向项目经理上报。谁应该为没有识别到这个项目风险负责？（ ）
A. 项目风险经理
B. 项目发起人
C. 项目团队成员
D. 项目经理
【单选题】
在项目早期阶段，项目经理被要求编制项目发布文件，项目经理应优先处理哪些重点？（ ）
A. 了解项目目标和项目范围
B. 获得管理委员会的认可
C. 确认项目团队成员的分配
D. 计划召开项目启动会议
【单选题】
项目管理办公室的经理在审查项目状态指示图，发现其中一个项目的 SPI 为 0.5，CPI 为0.3.以下哪份项目文件应包含导致该绩效的原因？（ ）
A. 实际成本报告
B. 挣值管理报告
C. 已更新的项目甘特图
D. 问题日志
【单选题】
经过商业论证,某项目被证明具有商业可行性,已经进入启动过程组办理立项手续。这时,一位职能经理对项目提出了强烈的反对意见。项目经理应该怎么办? （ ）
A. 停止编制项目章程,要求发起人重新开展商业论证
B. 继续开展制定项目章程过程
C. 要求该职能经理去找项目发起人反映意见
D. 告诉该职能经理现在提反对意见为时已晚
【单选题】
项目经理正在为客户开发一个项目，该项目正在履行一份工时工料合同。他们执行了一项挣值分析，确认该项目可以提前完工，并且少于原始的预算。然而，开发团队与项目经理所在公司签属的合同却是固定总价合同。这意味着项目经理所在公司获得的利润将会减少，而且根据项目利润，项目经理所获得的奖金也会比预计的少。项目经理应该怎么办？（ ）
A. 通知客户，现在已经加进来一些原先因为预算有限而从项目范围中删除的需求。
B. 告诉项目团队放慢速度让项目可以实现预计的利润。
C. 告诉客户项目可以提前完成。
D. 增加新的工作，以符合原始的项目预算。
【单选题】
项目执行 6 个月后，项目经理确定 CPI 为 0.9，且趋势分析显示 CPI 呈下降趋势，项目经理下一步应该怎么做？（ ）
A. 提交更改成本基准的变更请求
B. 请求额外的资源
C. 对项目进度赶工
D. 使用管理储备
【单选题】
项目管理方法论在国际范围内被广泛应用,当谁认同和接受这些方法时，最有利于实现项目目标？（ ）
A. 项目经理
B. 项目团队
C. 职能经理
D. 项目发起人
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
