自考05096民航机电英语模拟试题4

试题数量：73道
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练习次数：295次
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试卷简介

该试卷共包含73道试题，试题类型如下:

单选题

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1、[单选题]They are commonly called icebox rivets ____ the special process
- A.because
- B.because of
- C.on
- D.to
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2、[单选题]The landing gear system on the B757 is a retractable one and there many methods to operatein use. What method is selected to actuated the 757 landing gear system?
- A.Electric motors
- B.Pneumatic actuators
- C.Hydraulic actuators
- D.Other one of above all
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3、[单选题]Which power source is used to operate the 757 landing gear system?
- A.AC motor
- B.DC motor
- C.Pressure from the right hydraulic system
- D.Pressure from the left hydraulic system
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4、[单选题]The main gear is maintained n the retracted position by___ .
- A.a up-lock hook
- B.a folding side brace and a lock link
- C.a drag strut
- D.the inner shock strut
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5、[单选题]The unsafe condition of the nose gear and the main gear is sensed by ____ .
- A.two independent air/ground sensing systems
- B.the proximity switch electronic unit
- C.two air/ground sensors and targets
- D.the door safety valve actuator switches
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6、[单选题]Where can you find and ensure that an abnormal condition exists in the 757 landing gearsystem?
- A.On the first officer ’s instrument panel
- B.The amber warning lights
- C.On the capital ’s instrument panel
- D.EICAS page
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7、[单选题]Which of the statement is incorrect?
- A.The APU uses air to cool oil.
- B.The generator is the unique load of the APU.
- C.The oil reservoir is just the APUaccessory gearbox.
- D.The oil should be neither too heat nor too cold in operating the APU.
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8、[单选题]The variable inlet guide vanes regulate the airflow into load compressor. Which is correct ofthe following?
- A.It controls airflow through the nozzles firstly.
- B.It has a actuator controlled by the pilot.
- C.It has an actuator with fuel heat powers.
- D.It’s position responds to the bleeding airdeman
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9、[单选题]Which part controls all critical parameters in operations with in the APU?
- A.EICAS
- B.The APU control unit
- C.P5 overhead panel
- D.The APU compartment case
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10、[单选题]The APU starting and ignition is automati How many sensors is used to provide the accurate control?
- A.Only one speed sensor
- B.Two redundant rpm sensors
- C.Four thermal couple probes
- D.One oil pressure sensor
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11、[单选题]This isolates the aircraft structure __ APU.
- A.to
- B.between
- C.from
- D.with
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