With the autoilot engaged, RUD TRIM selector orders are:

A. ENGINE page.

B. FTL/CTL page.

C. CRUISE page.

A. The Power Transfer Unit.

B. An engine driven pump.

C. An electric pump.

A. AMU

B. SDAC

C. FWC

A. As the differential pressure between the cabin and the atmosphere is sufficient, the vacuum generator does not operate.

B. As the differential pressure between the cabin and the atmosphere is not sufficient, the vacuum generator does not operate.

C. As the differential pressure between the cabin and the atmosphere is sufficient, the vacuum generator operates.

A. Feedback

B. Master DSDL

C. Message Data bus

A. To limit the pressure from the hand pump

B. To protect the system against overpressure

C. To limit thermal expansion of the hydraulic fluid

A. On the overhead panel.

B. On the overhead panel and the center pedestal.

C. On the center pedestal.

A. By depressurizing the hydraulic system and using the maintenance unlocking device.

B. By pressing the SEC p/b on the flight control panel.

C. By using the maintenance unlocking device with the actuator pressurized and SEC p/b operated.

A. When there is no command signal to the servo-valve.

B. Only when the solenoid valve is de-energized.

C. When the solenoid valve is de-energized or the actuator is not pressurized.

A. By means of two solenoids energized at the same time.

B. By means of two solenoids.

C. By means of one solenoid only.