Fuel Systems Flashcards
When the crossfeed selector is set to LOW 1, ___.
the AC fuel pump on the high side (2) turns on, and both engines are supplied fuel from the high tank (2).
What is the primary pump used to transport fuel from the tank to the engine?
Ejector pump
The ERJ 175 has two in-wing fuel tanks, each divided into a collector, main, and surge tank.
True
To perform a crossfeed, set the crossfeed switch to ___.
the low side
An unpowered airplane can be refueled because it can be powered from the Hot Battery Bus.
True
The DC PUMP draws fuel from the ___ tank only.
right
Who may be onboard the aircraft when being refueled with the engines running?
Crewmembers only
The DC fuel pump is operative during an electrical emergency and can be used to start the APU or Engine 2.
True
What is the purpose of the AC fuel pump?
To supply fuel during an engine start and act as a backup to the ejector pump.
What are the three different sections of the Integral Fuel Tanks and what do they do?
- Surge tank: contains fuel vent
- Main tank: main storage area for fuel
- Collector tank: where the AC, DC, and Ejector pumps are located
What should you always do upon reaching the top of climb (TOC)?
- Compare fuel trend against the ACARS report,
- Compare fuel trend against the release.
What is the maximum fuel imbalance for the ERJ 175?
794 lbs.
Would there ever be a time when you received a FUEL LOW LEVEL warning message and had more than emergency fuel onboard?
Yes
Under what condition is it possible for fuel to be transferred from one tank to the other?
Indirectly, when the XFEED knob is selected to LOW 1 or LOW 2.
In order to achieve maximum fuel economy, holding should be performed ___.
- Flaps up.
- Gear up.
- At airspeed no less than 200 knots or 210 knots depending on altitude.
