問題一覧
1
APU Master Switch selected ON will:
Illuminates blue ON light, APU system is energized, air intake flap opens and APU starts as soon as start pushbutton is pressed.
2
What regulates the APU speed in accordance with air bleed demand:
Electronic Control Box (ECB)
3
What causes amber XX in the BLEED indication on APU SD page?
ADIRS 1 or 2 are not available or selected OFF, or the data from the ECB are invalid or not transmitted
4
On ground APU provides:
Electrical power + bleed air
5
Air bleed extraction for Wing Anti-Ice:
Is not permitted
6
What does the message LOW OIL LEVEL means?
Advisory message regarding APU oil level when aircraft is on the ground and APU not running
7
When will the APU fire extinguisher discharge automatically?
On ground only
8
Besides using the MASTER switch on the cockpit APU panel, APU shutdown is possible by:
Either (Pushing the APU FIRE pushbutton) or (Pressing APU SHUT OFF pushbutton on external interphone panel) are correct
9
The AVAIL light illuminates on the APU start pushbutton when:
N reaches 99.5% or 2 sec after N reaches 95%
10
Normal APU rotation speed (N%) is:
100%
11
When the APU is running, the APU fuel pump:
Runs when tank pumps pressure is not sufficient
12
Fuel for the APU is supplied from the:
Left fuel feed line
13
What are the APU manual shut down possibilities in the cockpit?
APU master switch pb APU fire pb switch
14
When the Master Switch is selected ON, the:
ECB is electrically supplied
15
When the APU master switch is released (set to OFF), a normal APU shutdown occurs:
With a delay if the bleed air was in use
16
Normal electrical system being available, you may start the APU at:
Throughout the normal flight envelope
17
If air bleed was used, after a manual shut down sequence, the APU:
Keeps running for between 60 sec and 120 sec
18
Can you start the APU using the A/C batteries only?
Yes
19
The supply of electrical power has priority over bleed air supply:
Yes
20
APU bleed air is controlled:
By ECB
21
On ground normal APU rotation speed (N%) without air conditioning is:
100%
22
APU N indication turns amber on ECAM SD, when:
N ≥102%
23
APU EGT indication becomes red on ECAM SD, when:
EGT ≥ 675°C (APU running) or EGT ≥ 1090°C (during APU start)
24
The APU has its own lubrication system:
Yes