Term
What provides fuel to the engines?
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Definition
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Term
What is the back up of a primary ejector pump?
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Definition
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Term
What sends fuel to the boost pumps and ejector pumps?
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Definition
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Gravity 3 transfer ejector pump in each wing
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Term
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Definition
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Term
Where are the boost pumps and primary ejector pump located?
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Definition
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Term
How many drains are there?
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Definition
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Term
How do you fuel only one wing?
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Definition
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Pull the precheck lever on the wing not being serviced
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Term
How do you defuel one wing only?
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Definition
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Pull the respective precheck lever
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Term
When does the boost pumps come on?
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Definition
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1) Engine start 2) X-feed 3) Low fuel pressure
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Term
When does the right boost pump automatically activates?
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Definition
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During APU operation with right engine off
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Term
What happens during a low fuel pressure event?
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Definition
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Boost pump comes on, extinguishes pressure low message, Fuel boost pump L-R message appears
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Term
What type of valve is the X-feed valve?
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Definition
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Motor valve Fails in last position
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Term
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Definition
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Term
What type of valves are the firewall shutoff valves?
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Definition
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Motor valve Will fail in last position
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Term
Motive flow are usually open. When do they close?
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Definition
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Term
When will you get the message about low fuel?
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Definition
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Term
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Definition
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1) X-feed valve opens 2) Supplying boost pump activates 3) Opposite motive flow closes after 3 seconds
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Term
What if fuel level is more than 500 lbs, but you still get a low fuel message?
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Definition
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Could indicate blocked flopper valves
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Term
What messages come during X-feed?
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Definition
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a) Fuel X-feed b) Fuel boost pump L-R
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Term
What happens if the motive flow shuttle valve closes too soon during X-feed?
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Definition
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Low fuel pressure occurs Acivates receiving side boost pump Terminating X-feed
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Term
What messages will you get during X-feeding and the motive flow valve closes too soon?
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Definition
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a) Supplying tank Fuel boost pump on L-R b) Receiving side Fuel boost pump on L-R
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Term
Do you need main DC to supply fuel to the engines?
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Definition
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Not required except for: a) Start b) Low fuel pressure c) X-feed
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Term
When are the precheck levers used?
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Definition
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When checking the wing refuel shutoff valve When defueling one wing only
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Term
What is the NACA scoop under the wing for? |
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Definition
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Fuel vent Or fuel drain if overflow
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Term
Under the wing, what is next to the NACA scoop with a filter on it?
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Definition
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Positive/negative pressure valve during fueling/defueling Also a vent if NACA scoop gets clogged
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Term
What powers the fuel quantity signal conditioner?
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Definition
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Term
What powers the low fuel level float?
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Definition
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Term
What triggers the fuel low annunciator and CAS messages?
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Definition
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Term
What technique is used to preflight the X-feed switch?
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Definition
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Turn it to the left. Won't deploy the masks by accident if grabbing the pass oxy auto knob
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Term
How much fuel is planned for taxi?
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Definition
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Term
How much fuel is planned for 45 minutes reserve?
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Definition
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Term
What should you set the power at to preclude power surge while X-feeding?
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Definition
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Set throttles to CRU or higher
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Term
When does the "ON" light
illuminates on the boost
pump switch light?
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Definition
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a) Low fuel pressure
b) Manual activation
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Term
What triggers fuel level low L-R on EICAS?
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Definition
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Term
What are you supposed to turn on when the fuel tanks are reaching 600 Lbs each?
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Definition
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Term
What constitute a good precheck test?
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Definition
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Totalizer should show 0 to 6 GPM fuel flow within 30 seconds
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Term
Do you know how much fuel you have in EMER?
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Definition
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Gauges require main DC Will only know low fuel with the float switch
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