A、Prevent fuel entering the vent lines.
B、Allow fuel to drain from the vent lines.
C、Maintain the fuel tanks pressurized.
答案：A
A、Prevent fuel entering the vent lines.
B、Allow fuel to drain from the vent lines.
C、Maintain the fuel tanks pressurized.
答案：A
A. A red V/S flag comes on.
B. A degraded V/S data provided by ADR.
C. Nothing.
A. To add oxygen to the expired gas.
B. To trap the carbon dioxyde contained in the expired gas.
C. To allow the expired gas to flow out of the hood.
A. To prevent door opening if pressure is <3000 psi.
B. To lock the selector in the OPEN/CLOSE position until the actuator is fully opened/retracted.
C. To ensure correct pressure in the extension chamber of the actuators before closing.
A. By means of two solenoids energized at the same time.
B. By means of two solenoids.
C. By means of one solenoid only.
A. The muting circuit always mutes the audio output.
B. The muting circuit is operative only with the hand microphone selection.
C. The muting circuit is operative when any microphone.
A. THS electric trim is lost.
B. THS trims at half speed.
C. THS electric trim is fully available.
A. It sends a signal to the ECU.
B. It provides a warning to the ECAM system.
C. It operates a visual indicator for ground inspection.
A. The GCR relay and the GLC stay closed.
B. The GCR relay stays closed and the GLC opens.
C. The GCR relay and the GLC are opened.
A. The Thrust Lever Angle.
B. The N1 limit.
C. The N1 target.
A. By the Engine fire pushbutton.
B. Automatically when a fire is detected.
C. By the MASTER lever or by the Engine fire Pushbutton.
