[单选题]Blue and yellow systems are pressurized by electric pumps. What are the control powers of the electric pumps?
A. Electric pump for blue system uses AC1 and electric pump for yellow system uses AC2
B. Electric pump for blue system uses AC1 and electric pump for yellow system uses AC2 or external power
C. Both blue and yellow system use AC1 and AC2

更多"[单选题]Blue and yellow systems are pr"的相关试题:

[单选题]In flight, what is blue system pressurized by?
A. Electric pump or ram air turbine
B. Engine pump
C. Power transfer unit

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[单选题]Yellow system includes:
A. An engine pump, an electric pump, a hand pump
B. An engine pump, an electric pump
C. An engine pump, a hand pump and ram air turbine

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[单选题]The yellow trapezoidal index moves beneath the roll index. It represents the lateral acceleration of the aircraft on ground and the sideslip in flight(as computed by the FAC). What does 1 centimeter of displacement indicate?
A. 0.1g
B. 0.2g
C. 0.3g

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[单选题]The yellow system ground service panel is located on the of the fuselage.
A. left side
B. right side
C. below the cargo door

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[单选题]Extinguishing systems for engines and the APU are comprised of
A. Each engine has 2 extinguisher bottles， APU has 1 fire extinguisher bottle
B. Each engine has 1extinguisher bottles， APU has 1 fire extinguisher bottle
C. Each engine has 2 extinguisher bottles， APU has 2 fire extinguisher bottle

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[单选题]Fire shutoff valves of the systems may shut off:
A. Green and yellow system
B. Green and blue system
C. Blue and yellow system

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[单选题]Which systems does the clock provide UTC (universal time coordinated) to?
A. two FMGCs
B. CFDIU，FDIU and two FMGCs
C. lower ECAM display

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[单选题]When the blue electric pump pushbutton is set on AUTO, if the AC power is available, the electric pump operates:
A. In flight
B. On the ground, if one engine is running or if the crew has pressed the BLUE PUMP OVRD pushbutton
C. Both A and B are correct

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[单选题]WING ANTI ICE ON lights up blue means:
A. Wing anti ice control valves open if a pneumatic supply is available
B. Wing anti ice control valves closed
C. Low pressure is detected

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[单选题]On the ground, if blue electric pump pushbutton is set on AUTO, when is the circuit powered on?
A. One battery is set on AUTO
B. Ground power on
C. One engine is running or the BLUE PUMP OVRD pushbutton is pressed

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[单选题]The OM appears in blue on PFD means：
A. the aircraft flies over the outer marker
B. the aircraft flies over the middle marker
C. the aircraft flies over an airways marker beacon or ILS inner marker

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[单选题]9号线ATS站场图上EL表示（）。
A.本地控制
B.中心控制
C.紧急本地控制
D.紧急中心控制

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[单选题]对系统工程(Systems Engineering,SE)的理解,以下错误的是:
A.系统工程偏重于对工程的组织与经营管理进行研究
B.系统工程不属于技术实现,而是一种方法论
C.系统工程不是一种对所有系统都具有普遍意义的科学方法
D.系统工程是组织管理系统规划、研究、制造、试验、使用的科学方法

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[单选题]ExC.el2003是一种主要用于( )的工具。
A.画图
B.上网
C.放幻灯片
D.绘制表格

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[单选题]利用el笛指示发车时,鸣示方式为( )。
A. 一长声
B. 一长二短声
C. 一长一短声
D. 一短一长声

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[单选题]巡检时发现ECC CU板指示面板EL红灯亮起表示（）。
A.计算机左通道失效
B.处理器停止
C.计算机右通道失效
D.外围板件已激活

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[单选题](单选题)—( )—SCC/ATS 站场图上EL表示( )。
A.中心控制
B.本地控制
C.紧急本地控制
D.紧急中心控制

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