【判断题】
(30815 )KTA-19G2型柴油机的日常保养要求水泵安装牢固，水泵无漏水、漏油现象。
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】
(30816 )机油冷却器破裂可能造成发电车KTA-l9G2型柴油机机油中混有水。
【判断题】
(30817 )柴油机润滑系统中需设置机油冷却器装置来保持自身合适的清洁程度。
【判断题】
(30818 )在检修时对发电机轴承添加润滑脂在将轴承安装至电机轴承安装位后可立即在轴承空间加注。
【判断题】
(30819 )在检修时对发电机轴承添加润滑脂不需要转动轴承外圈或滚子使润滑脂均匀。
【判断题】
(30820 )冷却风机电机绕组对地绝缘应大于2MΩ。
【判断题】
(30821 )冷却风机运转要求轴承无异音，异振，三相电流平衡。
【判断题】
(30822 )更换PT泵前应断开起动电源开关，关闭油阀。
【判断题】
(30823 )将PT泵总成对准装上康明斯柴油机，按对角顺序交替、分数次拧紧其安装螺栓(或螺母)。
【判断题】
(30824 )拧紧充电发电机调节连接杆的锁紧螺母至68～75牛•米的扭矩。
【判断题】
(30825 )拧紧充电发电机托架上螺栓的螺帽到88～102牛•米的扭矩。
【判断题】
(30826 )更换柴油机水泵前应先关闭水滤清器座上的冷却液截止阀。
【判断题】
(30827 )更换柴油机水泵前不用拆除水泵与节温器壳之间的旁通管总成。
【判断题】
(30828 )紧固废气涡轮增压器各螺母，扭矩没有规定值。
【判断题】
(30829 )涡轮增压器更换后要求安装紧固，无漏烟，机油连接管接头紧固，无渗油、松动。
【判断题】
(30830 )更换发电机励磁系统AVR等元件时不用停机。
【判断题】
(30831 )更换发电机励磁系统AVR等元件后不用启机试验。
【判断题】
(30832 )更换蓄电池时，松开被换蓄电池桩头的连接线，松开的线须用绝缘胶布包扎好连接头，以防短路。
【判断题】
(30833 )蓄电池接线端子需紧固，并涂抹凡士林。
【判断题】
(30834 )更换主空气开关（AH-6B型）时需拧松主空气开关左右侧的固定用蝶形螺钉取出手把才能进行下一步的拆卸。
【判断题】
(30835 )按手分按钮，搬下止动杠杆，将抽出手把往下压，主空气开关外移，当止动杠杆复位时，主空气开关处于断开位置。
【判断题】
(30836 )新输油泵更换后必须保证各部、管路无渗漏，输油泵与电动机无异振异音。
【判断题】
(30837 )更换完电动输油泵后要开启输油泵电源、油路进行试验，保证作用良好。
【判断题】
(30838 )更换完手动输油泵后要开启输油泵油路进行试验，保证作用良好。
【判断题】
(30839 )新输油泵更换后必须保证各部、管路无渗漏，泵油顺畅。
【判断题】
(30840 )1FC5系列发电机AVR中不止三个内整定电位器。
【判断题】
(30841 )MP-T系列发电机APRl25—5型电压调节器有三个可调整的电位器。
【判断题】
(30842 )柴油机有怠速，无高速原因可能是电子调速器的转速传感器脏了。
【判断题】
(30843 )柴油机有怠速，无高速原因可能是电子调速器的转速传感器脏了，如脏了则擦干净再安装，并测量交流电压，起动马达转动发动机时，交流电压应大于1.5V，将传感器拧进顶到齿圈后退出1/8～1/4圈。
【判断题】
(30844 )柴油机起机即为高速可能是PT泵执行器卡死。
【判断题】
(30845 )对于300kW柴油发电机组进行负载试验，按空载、50kW、100kW、150kW、200kW、250kW、满 负载逐级试验运转情况。
【判断题】
(30846 )发电车负载试验完毕可立即停止柴油发电机组运转，形成正式的试验报告。
【判断题】
(30847 )充电装置检修要求外观良好，无破损，安装牢固；门轴转动灵活，门锁扣作用良好。
【判断题】
(30848 )充电装置检修要求箱内电器安装牢固、接线紧固，配线无老化、龟裂；熔断器容量符合电 气原理图要求；电气原理图清晰、完整、正确。
【判断题】
(30849 )充电装置检修需对转换开关、按钮开关、扭子开关等进行检查，确保触点通断正常，复位良好。
【判断题】
(30850 )充电装置内变压器绕组烧损会造成对48V蓄电池的充电不正常。
【判断题】
(30851 )电动输油泵的起、停是通过上油箱液位仪来控制的。
【判断题】
(30852 )启动电源箱检修要求外观良好，无破损，安装牢固。
【判断题】
(30853 )启动电源箱检修要求箱门轴转动灵活，门锁扣作用良好。
【判断题】
(30854 )烟火报警器检修时需做到烟火探头安装牢固，清洁，无破损变形。
【判断题】
(30855 )机房废气排气扇扇叶无变形影响使用，在标准化发电车评分标准中扣5分。
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
