更多"[单选题]If both AC BUS 1 and AC BUS 2 "的相关试题:
[单选题]Which?of?the?following?is?true，if AC BUS 1 is failure？
A. AC BUS 2 automatically supplies AC ESS BUS, and DC ESS BUS via the ESS TR
B. DC BUS 2 supplies DC BUS 1 and DC BAT BUS automatically after 5 s.
C. all of the above
[单选题]If both FMGCs or both MCDUs fail, which is correct?
A. A. The flight crew must select this backup tuning mode on both RMP1 and RMP2
B. B. If RMP3 installed, it can use for back up tuning
C. C. When the flight crew uses an RMP to turn an ILS/DME, the PFDs display the DME distance
[单选题]如果1号和2号交流汇流条（AC BUS 1和AC BUS 2）失效，则RAT会：
A. 自动伸出
B. 在飞机速度100里/小时以上自动伸出
C. 必须人工放出才能立即带动蓝液压系统马达驱动应急发电机
[单选题]If both ECAM displays fail, which of the followings is correct？
A. Use the "ECAM/ND XFR", on the SWITCHING panel, to display the engine/warning page on a navigation display and, if needed
B. Push and hold (for a maximum of 3 min) the related system page pushbutton, on the ECAM control panel, to temporarily display the system/status page on an ND
C. both of the above
[单选题]If AC BUS 1 and 2 are not energized and the EMER GEN is not supplying,which of the following is true?
A. Battery 1 supplies the AC STAT INV BUS, and, if speed is greater than 50 kt, the AC ESS BUS.
B. Battery 2 supplies the DC ESS BUS.
C. All of the above
[单选题]如果AC BUS 1 失效，以下说法哪种正确？
A. AC BUS 2自动给AC ESS BUS供电，并通过ESS TR给DC ESS BUS供电
B. 5秒钟后，DC BUS 2自动向DC BUS 1和DC BAT BUS供电
C. 以上都对
[单选题] Which of the following statements is true according to the passage?
A. Shyness helps us to develop our potential.
B. Shyness enables us to understand ourselves better.
C. Shyness can block our chances for a rich life.
D. Shyness has nothing to do with lack of self-esteem.
[单选题]关于AC ESS BUS的供电来源，以下说法哪种正确？
A. 正常由AC BUS 1供电，当AC BUS 1失效时，自动由AC BUS 2供电
B. 在全部主发电机失效时，自动由应急发电机供电，当应急发电机不能用时，由静变流机供电
C. 以上都对
[单选题]如果AC BUS 1和2都没电且应急发电机也没有供电，以下说法哪种正确？
A. 1号电瓶给AC STAV INV BUS供电，如果速度大于50节，还要给AC ESS BUS供电
B. 2号电瓶给DC ESS BUS供电
C. 以上都对
[单选题]微机系统总线由数据总线（Data Bus DB）、地址总线（Address Bus AB）和______ 三部分组成。
A.信号总线
B.指令总线
C.令牌总线
D.控制总线
[简答题] I've lost interest in my work.
