Card 1
Question
The APU is monitored and controlled through?
Answer
A dediated FADEC
E190 Systems+Limitations
Discover E190 Systems+Limitations: 429 flashcards with questions and answers.
- Subject
- No category / Others
- Language of creation
- English
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Cards in this set
Card 2
Question
What happens if you push the APU Emergency Stop Button?
Answer
It closes the APU Fuel shutoff valve, shutting down the APU with no cooldown period
Card 3
Question
During battery start of the APU, which pump operates and from which tank is it feeding?
Answer
The DC Pump operates located in the right wing tanks.
Card 4
Question
During APU start with ground AC power, which fuelpump operates?
Answer
The AC fuel pump in the right tank
Card 5
Question
Is it possible to feed the APU via the left tank?
Answer
Yes, via the crossfeed valve
Card 6
Question
Between the Engine bleed valve, and APU Bleed valve, which one has priority?
Answer
The engine bleed valve
Card 7
Question
What is the max altitude for APU to provide electrical power?
Answer
33000 ft
Card 8
Question
What is the max altitude for APU to supply bleed air for engine start?
Answer
21000 ft
Card 9
Question
What is the max altitude for APU to supply bleed air for air conditioning?
Answer
15000 ft
Card 10
Question
What is the max altitude for APU start?
Answer
30000 ft
Card 11
Question
Above what APU RPM and after how many seconds is bleed and electrical load available?
Answer
When RPM is above 95% and 3 seconds has passed.
Card 12
Question
The APU shutdown is how many minutes?
Answer
2 or 1 depending on what SB is applied to the aircraft
Card 13
Question
Explain the sequence during an APU normal shutdown.
Answer
The bleed load is immediately removed and the electrical load is available for 1 or 2 min (depending on SB). During this time the APU is allowed to cool down. After this cycle, the APU actually shuts down. During this time the message "APU SHUTTING DOWN" is posted on the EICAS.
Card 14
Question
Can you canacel the APU shutdown?
Answer
Yes, by turning the knob back to ON cancels the shutdown
Card 15
Question
During an APU fire on ground, will the APU shut down automatically?
Answer
Yes
Card 16
Question
During an APU fire in flight, will the APU shut down automatically?
Answer
No
Card 17
Question
What is the recommended time to wait after EICAS is energeized to start the APU?
Answer
30 seconds
Card 18
Question
What is the GP? (Guidance Panel)?
Answer
It is the panel where you select Lateral guidance, AFCS Management control and Vertical guidance control
Card 19
Question
How many channels does the GP contain?
Answer
Two independent channels, A and B
Card 20
Question
What does the BANK BUTTON do?
Answer
It limits the bank angle to 17/15 degrees depending on software
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