APU Flashcards
The APU can be started and operated to…
41,000 feet.
the maximum certified aircraft altitude.
10,000 feet.
22,000 feet.
the maximum certified aircraft altitude.
The APU indications may be viewed on the…
right Auxiliary (AUX) display panel.
left CDU.
STAT synoptic page of any multifunction display (MFD).
captain’s VSD display.
STAT synoptic page of any multifunction display (MFD).
The APU has two operating modes,…
operating and non-operating.
attended and unattended.
ground and flight.
assisted and inflight.
attended and unattended
The APU is normally supplied fuel from the…
right main fuel tank.
left fuel manifold by any operating AC fuel pump or by the DC fuel pump in the left main tank.
center fuel tank.
a dedicated APU fuel tank.
left fuel manifold by any operating AC fuel pump or by the DC fuel pump in the left main tank.
When the APU is running (95% of target speed + 2 seconds), what indications informs the flight crew?
There are no indications.
APU RUNNING memo message on EICAS
APU RUNNING displayed on center CDU screen
APU AVAIL displayed on the Auxiliary (AUX) display
APU RUNNING memo message on EICAS
Regardless of APU selector position, the APU automatically starts if…
three or more generators go offline on the ground.
an engine fails.
three or more generators go offline in flight.
ground power is removed.
three or more generators go offline in flight.
When the APU selector is rotated to OFF, the APUC initiates a normal shutdown sequence. The APU cooldown cycle is…
2 minutes.
3 minutes.
5 minutes.
1 minute.
2 minutes.