【填空题】
41. 1号机高排温度达___℃时,应故障停机。
查看试卷,进入试卷练习
微信扫一扫,开始刷题
答案
427
解析
暂无解析
相关试题
【填空题】
42. 汽轮机连续无蒸汽运行超过___分钟时,应故障停机。
【填空题】
43. 1号机低压缸排汽温度大于___℃时,应故障停机。
【填空题】
44.定子冷却水出口温度达到___,线棒温度达到___,经确认无误时应故障停机。
【填空题】
45.1号机凝汽器真空急剧下降至___KPa,而保护不动作时,应故障停机。
【填空题】
46.汽轮机主油泵工作___时,应故障停机。
【填空题】
47.1号发电机定子冷却水___而保护30s未动作或定子冷却水___达9.5μs/cm,或发电机定子线圈___,无法处理时,应故障停机。
【填空题】
48.做凝汽器真空严密性试验时在汽机___前后,正常运行中___一次。
【填空题】
49.发电机氢气或密封油系统发生___,无法维持机组正常___时,应故障停机。
【填空题】
50. 1号机主再热蒸汽、___、给水、___、油系统管道破裂,无法维持运行时,应故障停机。
【填空题】
51.锅炉、发电机故障跳闸,而汽机保护___时,应故障停机。
【填空题】
52.1号机闭冷水系统常见故障类型有闭冷水___,闭冷水母管压力___,闭冷水箱___低,闭冷水泵___,闭冷水泵电机___异常增大,闭冷水系统管路___。
【填空题】
53. 1号机闭冷水因故中断,应严密监视各有关使用冷却水的___、___、及辅机___等温度。
【填空题】
54. 1号机闭冷水母管压力下降,应检查泵___压力、闭冷水箱___、有关放水阀、管路等工作情况,针对原因作相应处理。
【填空题】
55. 1号机闭冷水母管压力摆动幅度较大,并伴有电机电流摆动,一般是闭冷水箱___或泵内___所致
【填空题】
56.1号机主、再蒸汽温度偏离正常值时,应调节___水量、烟道___使汽温回至正常值,同时应注意煤量、___及___的配比。
【填空题】
57.1号机主蒸汽额定压力___MPa,最大值不超过___MPa;
【填空题】
58.1号机运行中冷再热蒸汽额定压力___MPa,再热蒸汽压力升高时应迅速恢复,同时注意重点监视___、___变化。
【填空题】
59.主、再热蒸汽温度超过___℃时延时15分钟应故障停机。
【填空题】
60. 机械超速和电超速试验应分别试验___,动作转速差值不应>___。
【填空题】
61. 滑停过程中主汽温度下降速度不大于___℃/min。
【填空题】
62. 汽机处于静止状态,严禁向___供汽。
【填空题】
63.汽温异常时,应加强对机组振动、___、___、推力轴承金属温度的监视。
【填空题】
64.汽轮机水冲击现象:CRT显示汽轮机上下缸温差大于___℃。高、中压主汽门,高、中压调门或任一抽汽电动门、抽汽逆止门的___冒白汽。蒸汽或抽汽管道发生___或产生___。轴向位移、推力轴承金属温度及推力轴承___急剧升高,汽缸及转子___突然下降,胀差向___发展。 机组___异常并伴有金属___或撞击声,振动___。
【填空题】
65.汽轮机水冲击原因有汽水分离器___。 主、再热蒸汽___调整不当。机组负荷急剧___,主、再热蒸汽温度急剧___。本体___不良。蒸汽管道___不畅。 除氧器或高、低加___。轴封蒸汽___调整不良,轴封带水。煤水比___不当。
【填空题】
66.汽轮机组启动、运行、停机过程中严格控制___、___升降速率,保证蒸汽的___。
【填空题】
67.汽轮机停机后,要隔绝一切可能返水返汽的来源,如___、高低旁路___、轴封___、各段抽汽逆止门、电动门和凝汽器补水门应___。凝结水补水泵应改为___控制。
【填空题】
68.电超速试验前必须进行“电超速”保护的___试验合格。
【填空题】
69.高加突然解列后,会造成给水温度大幅___,致使主蒸汽___和___大幅变化,对机组造成___;另外高加解列后高中压缸内通过的蒸汽流量上升较大,会造成___
【填空题】
70.1号机挂闸时应检查主机___油泵及___油泵运行正常。
【填空题】
71.1号机冲转时转速升至___rpm 时顶轴油泵联停,将顶轴油泵投___。
【填空题】
72.1号机润滑油压低至___Mpa时联启交流润滑油泵,___Mpa时联启直流润滑油泵,汽轮机跳闸,___Mpa跳盘车。
【填空题】
73.1号机正常运行润滑油压应在___ Mpa, 主油箱油位保持___mm。
【填空题】
74.1号机冷油器出口油温维持___℃,轴承回油温度正常应小于___℃。
【填空题】
75.1号机隔膜阀自动停机油压应大于___MPa,当下降到___ MPa时,隔膜阀将开启。
【填空题】
76.1号机EH油高压蓄能器氮气压力___Mpa,低压蓄能器氮气压力___MPa。
【填空题】
77.1号机低压缸排汽温度小于___℃,凝汽器真空当低于___kPa 时报警,低于___kPa 时跳闸
【填空题】
78.1号机停机前应当分别进行主机___油泵、主机___油泵、___油泵、___油泵、、___电机试转。
【填空题】
79.1号机打闸以后,主汽门、___、___关闭,___开启。
【填空题】
80.1号机打闸以后转速降至___r/min 时,启顶轴油泵。
【填空题】
81. 汽轮机上下缸温差超过规定值时,___汽轮机启动。
推荐试题
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 4 Indeed,if teachers want to( ) how far students might get in life, a better measurement than grades might be how hard the students try.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 5 Nature has( ) these animals ( ) a capacity for not showing Fear.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 6 During the weeks of discussion,delegations from groups who are interested in the Resolution may call on representatives to ( ) their point of view.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 7 Plato was a superb writer,and his works are Part of the world’s great literature.Most of His existing work is ( )Dialogs and letters.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 8 Young people should enter into a broad Flexible training program,through which They can learn a lot and be ( ) their future careers.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 9 The young man is very happy and proud to be ( ) the old professor because he always feeIs great when talking With him.
【填空题】
prepare for , be bound to , stand up for , in favor of ,speculate about , in the company of, in the form of , be liable to , invest..with , in succession 10 One day they passed more than 20 villages ( ),and some of these are Said to have stretched for six miles or more.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 7 Being asingle parent,there is no way for her to ( ) the time and energy she has devoted to her children for the past 10 years.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 8 It is essential that you start by listening because one of the main ( ) teenagers and their parents face in forming positive relationships is that neither listens to the other.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 9 We all know the dangers of an earthquake: the ( ) to buildings,the troubles can be caused by falling trees,and the terror occurs when the earth actually opens uip.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 10 Not until recently have we realized that the increasing world population may lead to a potential gloomy ( ) for humanity starvation.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 2 It is the development strategy/of the company to ( ) its overseas expansion in order to take a slice of the world market
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 3 Nearly six million people go to see the Mona Lisa every year,attracted by the ( )of her smile.When you're not lodking at her, she seems to be smiling;when you look at her,she stops.
【填空题】
Boost prospect calculate accelerate promote mystery destruction analysis insight barrier 4 To live with a family whose native language is English is the ideal way to further improve one's English and to gain ( )into its culture.
【填空题】
Boost prospect calculate accelerate promote mystery destruction analysis insight barrier 5 There is a real need to ( ) academic achievement in schools and help with the development of a student's overall character.
【填空题】
boost prospect calculate accelerate promote mystery destruction analysis insight barrier 6 Einstein said his scientific discoveries grew from his imagination rather than from( ), reason and language.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 1 When the police caught up with him, Mr.Foster had to [ ] that he'd broken the speed limit.
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 2 Whenever my boss makes a decision that I don't agree with, I tell him what I really think, though it's [ ] to make him happy by telling him his ideas are always right
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 3 As can be probably perceived, a manned tip to Mars may soon[ ] since scientists have achieved the manned moon mlssion
【填空题】
commence,deserve,tempting, coordinate, lodge,confess, grant, proceed ,display, consequently 4 A number of countries are [ ]their efforts to send out food to the area worst affected by the flood.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about She authorizcd her partner to carry out daily responsibllitles [ ]when she was on her business trip
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about On hering the latest news about your mother's ill health, I [ ]canceling your reservation at the Sheraton.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about There was an obvious indication that the police who have to enforce the new law were not[ ] the general discontent.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about When she heard of her failure in the experiment, her eyes[ ]tears; whether it was of shame, frustration, orgrief was difficult to tell.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about Rose knows that continuous letters fromJohn, together with countless roses are aimedat making her[ ]him.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about [ ]public school for drinking and smoking and then failing inshow business as a singer, she joined her father's business 10 years ago.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about Since the great scandals in banking,many people in the Country have[ ]the prospects of economic recovery within a few years.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about The parents were quite happy to[ ]our suggestion because had taked their most important concernsinto consideration.
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 1When employees participated in the problem-solving process, they were muchvmore willing to [ ] solutions to the problems.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 2 A strong police force has been placed between the two [ ]group in the village to prevent fighting and killing.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 3 Although personally we believe this to be of only secondary importance, its potential role in [ ] innovative acts cannotbe.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 4Though many things have been changed culturally, there is a commitment and sense of responsibility that have not yet been [ ] in today's society___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 5 Western nations have older and shrinking populations since they entered the 21stcentury and their [ ] birth rates have also posed problems___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 6 She didn't want to marry him and was [ ] against him because he had only a bachelor's degree and didn't meet her expectations for marriage.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 7 The president is in trouble and will have to work hard to [ ] his credibility after people discovered that he was not telling the truth.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 8 To study a number of subjects in the humanities has been both enjoyable and [ ]providing me with a new and different perpective on the world in which we live.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 9 People are concerned about the environment issue because air and water pollution notonly affects everyone's health but also makesit difficult for businesses to [ ].___
【填空题】
enlighten, discard, restore, fluctuate,prejudice , profit , rival, motivate,implement, investigate 10 Instead of ignoring or envying successful students, I made it my mission to [ ]the mysterious causes of their success and greatness.___
【填空题】
be measured in , come in handy , be exhausted from , impose on , attached to, cling to , pay a big price , revolve around 1Though he was 80 years old, blind and hardly able to walk, his family [ ]him so much that they could hardly bear the thought of his death.___
【填空题】
be measured in , come in handy , be exhausted from , impose on , attached to, cling to , pay a big price , revolve around 2The support our volunteers provide to the community as well as society cannot [ ] purely practical terms, and their continuing contribution is vital.___