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【单选题】
下面哪种故障需要地面机械员和机组相配合?___
A. 起动valve失效开;
B. 起动valve失效关;
C. A、B都不是。
D.
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答案
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相关试题
【单选题】
液压断开面板位于什么位置?___
A. 风扇包皮左侧上部;
B. 风扇包皮右侧上部;
C. 在吊架上的前后安装点之间。
D.
【单选题】
液压控制组件如何控制?___
A. 直接由反推杆控制;
B. 反推杆通过ECU控制;
C. 反推杆通过EIU控制。
D.
【单选题】
用于人工操作起动valve接近盖板在什么位置?___
A. 右侧风扇包皮;
B. 左侧风扇包皮;
C. 左侧反推包皮。
D.
【单选题】
再循环系统中,燃油回油valve的功用是什么?___
A. 在发动机停车时给燃油系统释压;
B. 使燃油更好地过滤;
C. 保持IDG、发动机燃油的温度不超过限制值。
D.
【单选题】
在HMU内,伺服valve由何驱动?___
A. ECU控制的电动马达驱动;
B. ECU控制的扭矩马达液压驱动;
C. 以上都不是。
D.
【单选题】
在地面ECU何时自动断电?___
A. 飞机供电网供电;
B. 发动机一停车;
C. 发动机停车5min后。
D.
【单选题】
在调节VBV反馈杆以前,VBVvalve必须被调节到何位置?___
A. 任意位置;
B. 开位;
C. 关闭位。
D.
【单选题】
在反推打开程序中,当4个枢轴门都到达---%时,打开电门关闭?___
A. 95%;
B. 98%;
C. 99%。
D.
【单选题】
在飞机缝翼收起情况下,反推包皮可以打开多少度?___
A. 45度;
B. 33度;
C. 35度。
D.
【单选题】
在开门顺序中,作动筒伸出由何提供?___
A. 增压valve;
B. 方向选择valve;
C. 开门电门。
D.
【单选题】
在空中,油门杆在两个限定位中间,由什么决定N1比率限制?___
A. 油门杆位置;
B. 上限位;
C. 下限位。
D.
【单选题】
在哪种情况下,ECU可中断起动?___
A. 自动起动和人工起动;
B. 自动起动;
C. 假起动。
D.
【单选题】
在人工模式,N2到50%时,下面哪种说法正确:___
A. 人工起动按钮"ON"灯灭;
B. ECU给ECAM信息,关闭起动valve;
C. 起动valve自动关。
D.
【单选题】
在自动和人工模式中,哪个计算机控制发动机推力?___
A. FMGC;
B. FCU;
C. ECU。
D.
【单选题】
在自动模式,哪种故障出现时,FADEC可自动完成几次试起动?___
A. 点火故障;
B. EGT超限;
C. A+B。
D.
【单选题】
主滑油滤堵塞时,则:___
A. 滑油通过旁通valve和备用油滤;
B. IDG滑油温度上升;
C. 发动机滑油温度上升。
D.
【单选题】
主金属屑探测器在探测到金属屑时:___
A. 送信号ECU;
B. 送警告到ECAM;
C. 地面检查目视指示器伸出。
D.
【单选题】
转子活动间隙控制和起动放气系统使用何处引气加热转子腔?___
A. 4级高压压气机引气;
B. 5级高压压气机引气;
C. 9级高压压气机引气。
D.
【单选题】
转子活动间隙控制系统的功用是什么?___
A. 使高压涡轮热膨胀;
B. 提供低压涡轮冷却;
C. 加热高压转子腔。
D.
【单选题】
自动起动中,ECU开始发动机起动程序后,PACKvalve自动关闭,多少秒后如发动机主电门不在"ON"位,PACKvalve会再打开?___
A. 25秒;
B. 30秒;
C. 35秒。
D.
【单选题】
压气机、燃烧室和______称为发动机的核心机___
A. 涡轮
B. ECU
C. 喷管
D. 进气道
【单选题】
春秋航空的A320飞机选装的是______发动机,推力为27,000磅。___
A. CFM56-5B4
B. CFM56-5B5
C. CFM56-5B6
D. CFM56-5B7
【单选题】
除去风扇一级,低压压气机分______级。___
A. 4
B. 5
C. 9
D. 3
【单选题】
高压压气机分______级。___
A. 4
B. 5
C. 9
D. 7
【单选题】
低压涡轮分______级。___
A. 1
B. 2
C. 4
D. 3
【单选题】
高压涡轮分______级。___
A. 1
B. 2
C. 4
D. 3
【单选题】
每台发动机上安装______个风扇叶片___
A. 36
B. 38
C. 42
D. 40
【单选题】
CFM56-5B发动机的站位里,风扇入口是站位______;___
A. 0
B. 12
C. 13
D. 1
【单选题】
发动机的站位,风扇出口是站位______。___
A. 0
B. 12
C. 13
D. 2
【单选题】
发动机的站位,高压压气机出口或燃烧室入口是站位______。___
A. 3
B. 4
C. 5
D. 7
【单选题】
发动机的站位,低压涡轮出口是站位______。___
A. 3
B. 4
C. 5
D. 7
【单选题】
发动机转子由______个轴承支撑___
A. 4
B. 5
C. 6
D. 7
【单选题】
FADEC系统主要由______部件组成___
A. 燃油泵、ECU
B. ECU、HMU和各温度、压力、流量传感器
C. FADEC计算机和各传感器
D. 燃油泵、ECU、EIU
【单选题】
发动机的No.3轴承使用的是______油池___
A. 前
B. 后
C. 中
D. A+B
【单选题】
每台发动机点火系统有______套激励器和点火嘴___
A. 3
B. 2
C. 1
D. 4
【单选题】
发动机上有______孔探孔(包括点火嘴安装孔)。___
A. 18个
B. 20个
C. 22个
D. 24个
【单选题】
发动机VBV的作用是_________
A. 防止压气机喘震
B. 提供发动机引气
C. 提供发动机冷却气
D. A+C
【单选题】
发动机控制和飞机各系统间的接口计算机是_________
A. EIU
B. ECU
C. EVMU
D. A+B+C
【单选题】
显示于EWD上的发动机主参数有_________
A. OILPRESSURE/TEMPREATRUE/FF
B. VIB/N1/N2/EGT
C. N1/EGT/N2/FF
D. VIB/N1/N2/FF
【单选题】
A320的CFM56发动机反推打开方式_________
A. 滑套式
B. 折流门式
C. 蚌壳式
D. 格栅式
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【单选题】
According to the passage, we know that Britain______________. ___
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The tests themselves are by no means free from error..." (Line 1-2.Para.3) means ____________. ___
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Which of the following is true? ________________ ___
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What troubles lie detector researchers most is that _______________. ___
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【单选题】
In the passage the author's attitude towards "mixed-ability teaching" is _______. ___
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【单选题】
By "held back" (Line 1) the author means _____. ___
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The author argues that a teacher's chief concern should be the development of the student's _________. ___
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【单选题】
Which of the following is NOT MENTIONED in the third paragraph? __________ ___
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【单选题】
The author's purpose in writing this passage is to ______. ___
A. argue for teaching bright and not-so-bright pupils in the same class
B. recommend pair work and group work for classroom activities
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【单选题】
According to the author, the deaths among youth are mainly caused by _____. ___
A. traffic accidents
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【单选题】
Every day there are over_____high school students who will become regular smoker. ___
A. 75
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D. 3000
【单选题】
By "dropout" the author means______. ___
A. students who failed the examination
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The reason for declining adolescent smoking is that ________. ___
A. NCI has taken effective measures
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【单选题】
What is implied but not stated by the author is that ________. ___
A. smoking rates among youth have declined very little
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【单选题】
According to the passage, which of the following is NOT a disadvantage of part time education? _______________ ___
A. It requires some break in one's career.
B. It tends to last too long for many people to complete a degree program.
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D. It gives the student less time to share with the family.
【单选题】
Which of the following is NOT an advantage of distance learning? _________ ___
A. The student may choose his or her own pace.
B. The student may study at any time to his or her convenience.
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【单选题】
What benefit will distance learning program bring to a business? __________ ___
A. Recruitment of more talented people.
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【单选题】
Good distance learning program have the following characteristic EXCEPT______. ___
A. distance learning course is the same as students taking courses in campus
B. the degree should be same as on campus study
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【单选题】
What benefit will distance learning bring to an employee of a business? ___________ ___
A. Professional growth.
B. Good relationship with the employer.
C. Good impression on the employer.
D. Higher salary.
【单选题】
In the first paragraph, what does "plastic money" (Line 6, Para.1) refer to? ______ ___
A. Dollars.
B. Online payment.
C. Credit cards.
D. Coins.
【单选题】
Which of the following is NOT true about credit cards? ____________ ___
A. Shopkeepers, among others, object to the use of credit cards because they add on the cost of the merchandise.
B. Credit card holders actually pay for their goods after the purchase has been completed.
C. The national company enjoys extensive growth because of the use of credit cards.
D. It has had the effect of increasing consumption.
【单选题】
What is the disadvantage of credit cards? _____________ ___
A. It may lead to the overgrowth of the national economy.
B. The delay in the payment of shopping goods may bring damage to shopkeepers' profits.
C. Some people may intentionally purchase goods that they cannot possibly afford.
D. Those who pay by cash at the purchase will have to pay for the cost added to the product as the interest charge of credit cards.
【单选题】
What is the main topic of the text? ________________ ___
A. Advantages and Disadvantages of Credit Cards.
B. Economic Growth Backed up by the Use of Credit Cards.
C. It can encourage great sums of consumption.
D. Credit Cards Make Life
E. asier.
【单选题】
The author's attitude towards credit card is.______________. ___
A. agreeable
B. neutral
C. humorous
D. oppositional
【单选题】
不含有割地内容的不平等条约是___。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
在甲午战争后,严复翻译的《天演论》所宣传的重要思想是___。
A. “师夷长技以制夷”
B. “中学为体,西学为用”
C. “天下兴亡,匹夫有责”
D. “物竞天择,适者生存”
【单选题】
火烧圆明园发生在___期间。
A. 鸦片战争
B. 第二次鸦片战争
C. 甲午战争
D. 八国联军侵华战争
【单选题】
规定允许外国在中国办工厂的条约是___。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
1895 年,日本强迫清政府签订___,割去台湾全岛及所有附属岛屿和澎湖列岛。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
近代以来中国反侵略战争失败的最根本原因是___。
A. 帝国主义的强大
B. 社会制度的腐败
C. 经济技术的落后
D. 中国军队军事素质低下
【单选题】
鸦片战争以清政府的失败而告终。1842 年 8 月 29 日,清政府与英国签订了中国近代史上的第一个不平等条约是___。
A. 中英《虎门条约》
B. 中英《南京条约》
C. 中美《望厦条约》
D. 中法《黄埔条约》
【单选题】
在近代中国,规定中国向列强支付赔款最多的条约是___。
A. 《南京条约》
B. 《北京条约》
C. 《马关条约》
D. 《辛丑条约》
【单选题】
到___的订立为止,庞杂的不平等条约体系已宣告中国半殖民地社会的完全形成。
A. 《天津条约》
B. 《北京条约》
C. 《辛丑条约》
D. 《马关条约》
【单选题】
德国元帅瓦德西说:“无论欧、美、日本各国,皆无此脑力与兵力,可以统治此天下生灵四分之一,故瓜分一事,实为下策。”这表明___。
A. 帝国主义已灭亡中国
B. 帝国主义之间相互勾结
C. 帝国主义瓜分中国图谋的破产
D. 帝国主义之间的矛盾
【单选题】
帝国主义列强掀起瓜分中国的狂潮是在___。
A. 中日甲午战争爆发后
B. 第一次鸦片战争爆发后
C. 八国联军战争爆发后
D. 第二次鸦片战争爆发后
【单选题】
下面表述不正确的是___。
A. 中国人民的反侵略战争,激起了帝国主义列强的侵华野心。
B. 中国人民的反侵略战争,使我们的国家和民族历尽劫难、屡遭侵略而不亡。
C. 中国人民的反侵略战争表现出来的爱国主义精神,铸成了中华民族的民族魂。
D. 中国人民反侵略战争的失败,从反面教育了中国人民,极大地促进了中国人的思考、探 索和奋起,反侵略战争的过程,是中华民族逐步觉醒的过程。
【单选题】
列强未能瓜分中国的最根本原因是___。
A. 列强之间的矛盾
B. 国际舆论的谴责
C. 中华民族不屈不饶的反侵略斗争
D. 清政府的妥协
【单选题】
魏源在其___中,提出了“师夷长技以制夷”的思想,主张学习外国先进的军事和科学技术,以期富国强兵,抵御外国侵略,开创了中国近代向西方学习的新风。
A. 《四洲志》
B. 《盛世危言》
C. 《夷情备采》
D. 《海国图志》
【单选题】
近代中国睁眼看世界的第一人是___。
A. 林则徐
B. 李鸿章
C. 郑观应
D. 魏源
【单选题】
造成近代中国贫穷落后的根本原因是___。
A. 中国落后的经济制度
B. 中国落后的政治制度
C. 资本—帝国主义的侵略
D. 统治集团的腐败
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