How is an APU fire on ground normally extinguished?
A. Form APU fire panel.
B. Automatically.
C. Form external power panel.
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Are wing tank pumps running while center tank is supplying ?
A. Yes, wing tank pumps are always runing
B. No, only when center tank is empty
C. No, because of center tank pump priority
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Which component controls antenna stabilization?
A. ADIRU.
B. Transceiver.
C. Antenna.
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The TCAS receives heading,pitch and roll data from :
A. ADIRU 1.
B. ADIRU 1 or 3 according to AIR DATA switch status.
C. Selected ATC transponder.
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Which modes exist for a rudder servo control actuator ?方向舵伺服控制作动器的模式
A. A re-centering and active mode.
B. A re-centering and damping mode.
C. An active and damping mode.
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The aircraft is on ground:
A. It is impossible to engage the autopilot.
B. Engines running, it is impossible to engage the autopilot.
C. Engines shut down, it is impossible to engage the autopilot
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Of which type is the ignition system ?
A. Low voltage , low energy.
B. Low voltage , high energy.
C. High voltage , high energy.
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Which computer processes the warnings ?
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Compared with the Airbus MMEL, an airline MEL can be :
A. In contradiction.
B. Less restrictive.
C. More restrictive.
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How is the Hydraulic Control Unit controlled ?
A. Directly by the reverser lever.
B. By the reverser lever through the ECU.
C. By the reverser lever through the EIU.
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