【单选题】
v2500发动机ECAM上滑油压力的指示是指()___
A. 滑油泵出口压力
B. 回油总管的回油压力
C. 轴承腔进口的滑油压力
D. 4号轴承的回油压力
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答案
D
解析
暂无解析
相关试题
【单选题】
v2500发动机EEC通过控制什么valve来控制燃油HMS（热管理系统）()___
A. ACOC调节valve和燃油回油valve
B. ACOC调节valve、燃油回油valve和IDG的FCOC
C. 燃油回油valve
D. ACOC的调节valve和IDG的FCOC
【单选题】
v2500发动机以下描述正确的是()___
A. 电磁阀通电LP和PRSOVvalve打开
B. 电磁阀通电LP和PRSOVvalve关闭
C. 电磁阀通电LPvalve打开、PRSOV关闭
D. 电磁阀通电LPvalve关闭、PRSOV打开
【单选题】
v2500发动机在正常飞行时反推方向valve的状态是怎样的()___
A. 收起位、电磁阀通电
B. 收起位、电磁阀断电
C. 中立位、电磁阀通电
D. 中立位、电磁阀断电
【单选题】
对CFM56-5B的燃油系统说法正确的是（）___
A. 有一根燃油总管，20个燃油喷咀
B. 有两根燃油总管，20个燃油喷咀
C. 有10根燃油总管，20个燃油喷咀
D. 有一根燃油总管，10个燃油喷咀
【单选题】
对于CFM56-5B，当用发动机FADEC地面电源供电，完成工作后需及时断电，否则可能（）___
A. 浪费电源，因为ECU是高耗电计算机
B. 损坏ECU
C. 损坏EIU
D. 没有任何影响
【单选题】
对于CFM56-5B，反推放出过程中，作动筒的两端___（A）
A. 都通液压油
B. 都通回油
C. 一端通液压油，一端通回油
D. 不确定，因为取决于方向valve的选择
【单选题】
对于CFM56-5B，反推系统HCU（液压控制组件）中的压力探测器给ECU发送哪种指示信号（）___
A. 系统增压信号
B. 作动筒被作动信号
C. 锁已锁定信号
D. 解锁信号
【单选题】
对于CFM56-5B，哪些系统和EVMU（发动机振动监控组件）有接口（）___
A. ECAM-FADEC-AIDS（飞机整体式数据系统）
B. ECAM-CFDS-AIDS
C. CFDS-FADEC-ACARS（飞机通讯地址和报告系统）
D. ECAM-FADEC-CFDS
【单选题】
对于CFM56-5B，人工油门工作时如果出现飞机失速，此时（）___
A. 自动油门会作动
B. N1目标值为TO/GA最大值
C. 需人工将油门杆推到TO/GA位
D. A+B
【单选题】
对于CFM56-5B，如果EIU电源失去，会怎样（）___
A. EIU从发动机的发电机获得电源
B. EIU失效，发动机再起动无法进行
C. ECU和点火电源无法得到
D. ECAM上将不再有显示
【单选题】
对于CFM56-5B，如果高压燃油关断valve的命令位置和实际位置不一致时（）___
A. 触发ECAM警告
B. 发动机控制面板上“FAULT”灯亮
C. A+B
D. 只有CFDS（中央故障显示系统）有故障记录
【单选题】
对于CFM56-5B，如果主磁堵（MCD）探测到金属屑，则应该（）___
A. 更换发动机
B. 检查滑油系统回油路上安装的4个分磁堵，判定故障部位及程度
C. 在润滑组件下部安装4个分磁堵，观察一段时间以判定故障部位及程度
D. 不用采取任何措施
【单选题】
对于CFM56-5B，如果主磁堵探测到金属屑，则会（）___
A. 发送到信号到ECU
B. 给ECAM系统提供警告
C. 让视觉指示器工作，用于地面检查
D. 没有任何指示
【单选题】
对于CFM56-5B，如果主磁塞（MCD）探测到金属屑，下列说法错误的是（）___
A. 红色跳出指示器工作
B. 驾驶舱无指示
C. 排故工作完成后，视觉指示器自动复位
D. 跳出指示器由电磁线圈触发
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The word "wag" (Line 1, Para.1) most probably means _________.
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【单选题】
The video cameras were used to catch the dogs' responses because ___________.
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The new law passed in Rome will ________.___
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People in Rome believe that the civilization of a city can be judged by _________.___
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The underlined word "compassion" in Para 2 is the closest in meaning to __________.___
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People may break the law in Turin if they ________.___
A. keep their dogs or cats in cars
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【单选题】
We can infer from the passage that _________.___
A. the owners can leave their dogs in hot cars
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C. the new law can prevent cruelty to animals
D. the new law gives recognition to the
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【单选题】
If a person finds getting up early a problem, most probably ________.___
A. he is a lazy person
B. he refuses to follow his own energy cycle
C. he is not sure when his energy is low
D. he is at his peak in the afternoon or evening
【单选题】
Which of the following may lead to family quarrels according to the passage?___
A. Unawareness of energy cycles.
B. Familiar monologues.
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【单选题】
If one wants to work efficiently at his low point in the morning, he should __________.___
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【单选题】
You are advised to rise with a yawn and stretch because it will __________.___
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【单选题】
Which of the following statements is NOT true?___
A. Getting off to work with a minimum effort helps save one's energy.
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An effective way to prevent the burnout of young athletes is __________.___
A. to increase their sense of success
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According to the passage sport is positive for young people in that __________.___
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Many coaches and parents are in the habit of criticizing young athletes __________.___
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【单选题】
The author's purpose in writing the passage is _________.___
A. to persuade young children not to worry about criticism
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As pointed out at the beginning of the passage, people used to think that air pollution _______.___
A. cause widespread damage in the countryside
B. affected the entire eastern half of the United States
C. had damaged effect on health
D. existed merely in urban and industries areas
【单选题】
As to the greenhouse effect, the author ________.___
A. share the same view with the scientist
B. is uncertain of its occurrence
C. rejects it as being ungrounded
D. thinks that it will destroy the world soon
【单选题】
The underlined word "offset" in the second paragraph could be replaced by _________.___
A. slip into
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C. set up
D. catch up with
【单选题】
It can be concluded that ____________.___
A. raising the world's temperature only a few degrees would not do much harm to life on earth
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【单选题】
This passage is primarily about __________.___
A. the greenhouse effect
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C. the potential effect of air pollution
D. the likelihood of a new ice age
【单选题】
What is the major function of paragraph 1?___
A. To arouse the reader's concern.
B. To introduce the theme of the whole passage.
C. To summarize the whole passage.
D. To state the primary uses of TV.
【单选题】
Television, as a source of entertainment, is ________.___
A. not very convenient
B. very expensive
C. quite dangerous
D. relatively cheap
【单选题】
Why are some people against TV?___
A. Because TV programs are not interesting.
B. Because TV viewers are totally passive.
C. Because TV prices are very high.
D. Because TV has both advantages and disadvantages.
【单选题】
One of the most obvious advantages of TV is that _________.___
A. it keeps us informed
B. it is very cheap
C. it enables us to have a rest
D. it controls our lives
