Random Systems Questions Flashcards
How many DU - Display Units can be reverted and which are they?
Two can be reverted
MFD 1 and MFD 2
What is the priority for DU reversion?
Hightest to Lowest: PFD, EICAS, MFD
When does automatic EICAS decluttering occur?
xx ???? xx
I believe it is 30 seconds after Take Off if all indications are normal
What maximum wind gust can the doors sustain when partially open and open and locked in position.
40 KTS / 65 KTS
The photoluminescent strips must be charged prior to the first flight of the day… how long?
Once charged, how long are they good for?
15 minutes
Available for 7 hours
Emergency Light Power Units,
How many?
Which bus are they connected to?
How long can they supply emergency power to all emergency light?
4 ELPU’s
DC Bus 1
Supply all emergency lights for 10 minutes
The electromechanical latch on the cockpit door is powered by which bus?
DC BUS 2
Explain the notification of the EMERGENCY ENTRY system
Actuating the EMERG ENTRY pushbutton starts the chime sequence:
4 second Chime Chime
Repeated 3 times at 9 second intervals
After the third chime cycle door opens if the INHIB pushbutton is not pressed within 30 seconds from start of sequence
How is the water system pressurized?
Engine and APU bleed air pressurize the potable water system
If bleed air is not available, how is the potable water system pressurized?
through an OPTIONAL compressor system
DO WE HAVE ONE?? NOT SURE??
How is the waste system pressurized?
By a vacuum generator that creates differential pressure on the ground through 18,000 ft. Above that, cabin differential pressure is enough to transport the waste.
On the AIR COND / PNEUMATIC control panel, what does pushing the RECIRC push button accomplish?
Pushed in allows normal function of the RECIRC fans.
Pushed out turns off BOTH RECIRC FANS
On the AIR COND / PNEUMATIC control panel, what does pushing the X BLEED, BLEED 1/2 OR APU BLEED push button accomplish?
Pushed in allows the automatic operation by the AMS
Pushed out, manually closes the respective Bleed Valve
When are the emergency lights automatically illuminated?
When armed and DC Buses lose all power
