【单选题】
LKJ-2000型监控记录装置事故状态记录器（黑匣子）在机车走行距离每变化___所有内容记录一次。P172T697
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相关试题
【单选题】
预设安全距离为20m时，紧急制动时的速度为80km/h，那么停车后的安全距离是___。P176T724
【单选题】
LKJ-2000型监控记录装置上电自检后，显示器进入主界面显示状态，两端操作___。《LKJ2000型列车运行监控记录装置》P255
【单选题】
LKJ-2000监控装置在正常监控状态下，可用【↓】【↑】方向键调整屏幕亮度，共有___个亮度等级 。《LKJ2000型列车运行监控记录装置》P256
【单选题】
LKJ-2000监控装置在机车出库时，司机必须按压[调车]键，进入调车状态，此时限速窗口显示___km/h。《LKJ2000型列车运行监控记录装置》P259
【单选题】
LKJ-2000监控装置机车距信号机还有一段距离，但距离显示值提前进入零显示，这种零显示出现在信号机之前的过机误差称为___。《LKJ2000型列车运行监控记录装置》P260
【单选题】
LKJ-2000型监控记录装置在机车运行中按压___键，装置记录下此刻的公里标及时间，作为运行数据查找标记。《LKJ2000型列车运行监控记录装置》P265
【单选题】
LKJ-2000型监控记录装置当装置发生防溜报警时一次按压___键。《LKJ2000型列车运行监控记录装置》P267
【单选题】
LKJ-2000型监控记录装置,列车运行过程中按压【向前】键，调整___误差。《LKJ2000型列车运行监控记录装置》P260
【单选题】
LKJ-2000型监控记录装置，运行中当过机误差___300m时，装置可以自动校正。《LKJ2000型列车运行监控记录装置》P260
【单选题】
LKJ-2000型监控记录装置查询当前揭示信息，显示机车前方___米以内的揭示。《LKJ2000型列车运行监控记录装置》P262
【单选题】
LKJ-2000型监控记录装置设定参数查询时在查询显示状态，将光标移到“设定参数”按压【确认】键或数字键___。《LKJ2000型列车运行监控记录装置》P264
【单选题】
LKJ-2000型监控记录装置如果错误选择了某条揭示，可将光标移到该揭示项再次按压___键取消对该揭示的选择。《LKJ2000型列车运行监控记录装置》P266。
【单选题】
LKJ-2000型监控记录装置A.B机同时故障时，报警时间达到___监控装置实施紧急制动。《LKJ2000型列车运行监控记录装置》P268
【单选题】
LKJ-2000型监控记录装置施行紧急制动时，不允许司机___。《LKJ2000乘务员手册》P19
【单选题】
LKJ-2000型监控记录装置，运行中当过机误差___100m时，装置可以自动校正。《LKJ2000乘务员手册》P31
【单选题】
LKJ-2000型监控记录装置当列车运行速度___允许值时，装置切除机车牵引电流。《LKJ2000乘务员手册》P19
【填空题】
1.一般电阻的阻值与___成正比，与导体截面积成反比。P7T27
【填空题】
2.电阻串联电路中总电流与通过各用电器的___相等P8T36
【填空题】
3.当把三极管接入电路中时,___电流的微小变化，将引起集电极电流及发射极电流较大的变化。P14T73
【填空题】
4.电器的灭弧装置属于电器的___P15T82。
【填空题】
5.触头按用途分为___和辅助触头。P16T83
【填空题】
6.机车电器按其执行机构的不同可分为有触点电器和___。P17T88
【填空题】
7.直流串励发电机的励磁绕组与电枢绕组串联，用___电流励磁。P18T93
【填空题】
8.变压器是根据___原理制成的一种能把交流电从一个电压值转换为另一个不同电压值的静止电器。P19T100
【填空题】
9.三相交流电各相绕组的首端与尾端之间的电压称为___。P20T103
【填空题】
10.过电压会使直流电机绕组造成___等事故。P21T105
【填空题】
11.由4个桥臂和___所组成的电路叫电桥电路。P22T112
【填空题】
12.三相交流电机的定子绕组联接方法有___和三角形接法两种。P24T120
【填空题】
13.直流电机既可作为发电机工作，也可作为电动机工作。这称之为直流电机的___。P30T152
【填空题】
14.机车牵引电机在电阻制动时作为___运行。P30T152
【填空题】
15.对于交-直流传动的电力机车,由于整流器输出电压是一个脉动电压，在整流电路中必然产生___。P31T154
【填空题】
16.机车运转方式有：半肩回式、肩回式、循环式、___和环形式5种。P43T205
【填空题】
17.机车走行公里从机车走行距离上反映了机车的工作量,是确定机车检修___,计算油脂、燃料消耗、日车公里、技术速度、旅行速度、总重吨公里的依据。P45T214
【填空题】
18.机车旅行时间是指机车牵引列车从___至到达终点站的全部时间。P45T216
【填空题】
19.按机车的配属关系分为配属机车和___机车。P46T221
【填空题】
20.解除短期备用的内燃、电力机车，自接到调度命令起，在___内达到出段状态。P48T229。
【填空题】
21.铁路机车回送方式有：单机、专列、___和托运4种。P48T230
【填空题】
22.电力、电传动内燃机车无动力托运时，制动缸活塞行程应调整到标准的___。P49T233
【填空题】
23.电力、电传动内燃机车无动力托运时，应将牵引电动机的电刷___。P49T233、234
【填空题】
24.机车牵引列车在指定的牵引区段内往复运行，这个牵引区段就是___。P50T239
推荐试题
【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
【单选题】
) 1. Even Tony’s six-year-old son asked him ______ smoking.
A. stops B. stopped C. to stop D. stopping
【单选题】
2.—What do you think of the lecture of Li Yang’s Crazy English?
— I think it’s _______ , but someone thinks it’s much too ________.
A. wonderful enough; bored B. enough wonderful; boring
C. enough wonderful; bored D. wonderful enough; boring
【单选题】
3.—He didn’t go to the lecture this morning, did he?
— _____ ．Though he was not feeling very well．
A. No, he didnt B. Yes; he did C. No, he did D. Yes, he didnt
【单选题】
4. If you read a lot, your life ______ full of pleasure.
A. will be B. is C. be D. was
【单选题】
5. The black bag _________ be Annas. She has a blue one.
A. should B. cant C. wouldnt D. could
【单选题】
6. Susan, why are you still here? They are all ready to start.
Im sorry, but I _________ when to start.
A. dont tell B. wasnt told C. didnt tell D. havent told
【单选题】
7.—Why dont you choose the red tie?
—For me, it doesn’t _____ my shirt very well．
A. fix B. accept C. compare D. match
【单选题】
8. — Could you tell me ______? I must find him．
— Sorry．I don’t know．But he was here just now．
A. where Tom was B. where Tom is
C. where has Tom gone D. where can I find Tom
【单选题】
9. —What did Mr Green say to you?
— What a heavy rain! How did you come here? He asked________.
A. at all B. in fact C. in surprise D. as a result
【单选题】
10. I often see Tom on the playground．When I passed the playground yesterday, I saw him ．
A. play; playing B. to play; play C. playing; to play D. playing; play
【单选题】
11. — Mum, could I have ____________ to drink?
— Oh, dear．You can only drink some water．There is _________ in the kitchen．
A. anything; else something B. anything; something else
C. something; else nothing D. something; nothing else
【单选题】
12. We all know that learning a foreign language _______ time and effort.
A. requires B. reduces C. removes D. repeats
【单选题】
13. Her son __________ Coke, but now he __________ milk．
A. is used to drinking; used to drink B. used to drink; uses to drink
C. used to drink; is used to drinking D. is used to drink; is drinking
【单选题】
14. I don’t know the teacher is talking with Miss Wang．
A. what B. whom C. who D. which
【单选题】
15.Millie does __________ that many people are thankful to her．
A. such an important and helpful job B. so important and helpful work
C. a very important and helpful job D. such an important and helpful work
【单选题】
16. I think eating more vegetables is good _______ our health.
—Yes, I agree _______ you.
A. at, to B. for, with C. to, to D. for, to
【单选题】
17. I often go on holiday with my parents _____ summer.
A. in B. at C. on D. of
【单选题】
18. I called you at 4:00 yesterday afternoon, but nobody answered.
Sorry, I ______ with my friends at that time.
A. had swum B. swam C. would swim D. was swimming
【单选题】
19.––Who is on the playground? ---__________．
A. Never B. None C. No one D. A lot
【单选题】
20. The schoolboy ______ a blind man cross the street yesterday.
A. helps B. helped C. will help D. has helped
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
—________exciting news! We shall try our best to support it.
A. How B. How an C. What D. What an
【单选题】
22. They preferred ______ in bed rather than _____ horses．
A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
【单选题】
23. —What was Jim wearing at the party?
— Nothing _______. He was in his usual shirt and jeans.
A. special B. simple C. important D. interesting
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there?
Maybe, if possible.
A. are held B. will be held C. were held D. have been held
【单选题】
25. — David, look at the man in white over there．Can you tell me _______ ?
—He is a doctor．
A. who is he B. who he is C．what does he do D. what he does
【单选题】
( ) 26.With help from a Mr. H, you can__________.
A. stop wearing your watch B. get new books and objects
C. finish your homework on time D. know when parents or teachers are near
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________.
A. repair your TV B. put away your books and objects
C. become a James Bond D. get a daily weather report
【单选题】
( ) 28. You can get your Mr. H for___________.
A. $299 B. $499 C. $199 D. $99
【单选题】
( ) 29. When was canned food invented?
A. In 1870. B. In 1810. C. In 1902. D. In 1926.
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________.
A. canned food B. can openers
C. frozen food D. air conditioning
