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22 Cards in this Set
- Front
- Back
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How many fuel tanks does the airplane have?
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2 integral tanks
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Where is fuel tank temperature taken?
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Left tank
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What types of fuel pumps are in each wing?
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Primary ejector pump
ACMP DCMP (right tank) 3 scavenger pumps |
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What is the primary ejector pump?
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Venturi pump with no moving parts and no electrical power used by the engine Powered by motive flow
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What is the purpose of the ACMP?
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Back-up pump in case of primary ejector pump failure
Engine start Crossfeed operations APU start |
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What is the purpose of the DCMP?
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Used for APU or engine start is AC power or the ACMP is not available.
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What is the purpose of the scavenge pumps?
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Maintains fuel level in the collector box
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What pump(s) is used once an engine is started?
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Associated primary ejector pump
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What is the purpose of the collector box?
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Keeps the fuel pumps submerged
Ensures constant fuel flow to the engine |
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What is the surge/vent tank?
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Collects fuel during wing-down maneuvers and returns it to the main tanks once the wings are level.
Equalizes tank pressure with atmosphere in flight and during refueling |
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Can fuel be transferred from tank to tank? Can fuel be dumped overboard?
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No
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What happens when the crossfeed switch is selected to LOW 1?
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Crossfeed valve is opened Commands the ACMP 2 to ON to provide fuel from the right tank to both engines
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What is the only way to close the engine fuel shut off valve (SOV)?
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Pull the associated engine fire extinguishing handle
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When will the FUEL 1(2) LOW LEVEL EICAS be presented?
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660 lbs of fuel remaining in the associated tank
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What is the power source for a #1 AC pump? #2 AC pump?
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AC BUS 1 AC ESS BUS
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What is the fuel density?
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6.768 lb/us gal
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What does the OFF position of the fuel crossfeed selector knob do?
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Closes the crossfeed valve
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Can you refuel the airplane without APU/EXT power?
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Yes
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How would you check the fuel quantity if the electric fuel quantity indicator fails?
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With the magnetic level indicators.
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What would be the indication of a fuel imbalance?
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An EICAS FUEL IMBALANCE caution is displayed when the imbalance equals or exceeds 800 lbs until the imbalance is reduced to 100 lbs.
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Where would the fuel system indications and parameters be displayed?
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On the Fuel Status page on the MFD and the EICAS.
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What is the minimum fuel tank temperature
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-40ºC
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