Fuel Flashcards
fuel is used to provide cooling for what ?
IDG integra-te drive generator on each engine and return to outer tank
Como é feito o abastecimento ?
Left and right wing tanks
If additional fuel is required it is added to the center tank
How fuel move from the outer tank to inner tank ?
Electrically operates transfer valves
What is bent surge ? Where is it located ?
Outboard of each outer wing tank
Provides temporary fuel storage during thermal expansion and aircraft movement
How operated the jet pumps ?
Using pressure and glow from the inner wing tank.
FLSCU fuel level sensing control unit open and close transfer valves to these jet pumps on and off
Center tank feed directly the engines ?
No
How is the consumption?
Center tank first
Inner wing tank to 750kg
Outer tank transfer to inner tanks
Qual tanque fornece combustível pro APU?
Left wing tank pumps
Pra que serve a bomba de combustível do apu ?
Instalada pra Fornecer pressão enquanto as bombas de combustível da asa não estiver funcionando
How apu is powered ?
By AC ESS SHED BUS
Or AC STAT INV BUS if the first one is not operated
How fuel flow works ?
Controlled by a low pressure fuel valve
When LP low pressure valve is closed ?
Engine master switch or ENG FIRE pushbutton
Why the wing tanks are equipped with suction valves ?
To feed engine by gravity if the inner tank pump fail
What have in the fuel system to reduce flammability of vapor in the center tank !?
Is installed a ful tank inverting system it’s deliver air very low in oxygen content in to the center tank.
An inertial gas generator system produce low axygen air
Where’s is located the refuel control ontem ?
Right wing
Fuel that flows through the IDG cooler, is returned to the ….
Outer tank of the respective wing
The wing tank pumps are physically clonares in the …
Inner tank
When does the apu fuel pump operate ?
When apu is running and there is no other source of fuel pressure
From witch tanks can the engines gravity feed ?
Wing tanks only
Como funciona a transferência de combustível do tanque central para o médio ?
Quando full as transfer valves ficarão fechadas
E quando abaixo de 250kg o FLSCU detectará e as transfers valves vai abrir
Ciclo sempre será feito até o tanque central esvaziar depois de 5 min vazio
When the fault light of mode sel is illuminates ?
When more than 250kg remains in center tank and inner contais less than 5000kg
When the green OPEN light iluminates (crossfeed) ?
When crossfeed valves is fully open
What happen when fuel quantity indication is inaccurate ?
Amber line appears across the last two digits of a tank quantity
If the center tank transfer switches are both selected to off …
The FOB is half boxed in amber
