ATA28 - Fuel Flashcards
1
Q
- On A320, how many pumps are there in each fuel tank ?
One fuel pump in each tank
Two fuel pumps in each tank
There is no fuel pump because tanks are air pressurized
A
Two fuel pumps in each tank
2
Q
- Amber FAULT light illuminates on MODE SEL. P/B when :
The delivery fuel pressure drops
Center tank has more than 250 kgs and left or right wing tank has less than 5 000
kgs
The two center tank pumps are selected OFF
A
Center tank has more than 250 kgs and left or right wing tank has less than 5 000 kgs
3
Q
- Where is the vent surge tank located ?
In the outer section of each wing
In the wing tank
A
In the outer section of each wing
4
Q
- Suction valves are :
Always open regardless of pumps status
Normally closed by pumps pressure
Open automatcally when fuel X-FEED is selected ON
A
Normally closed by pumps pressure
5
Q
- The maximun fuel advisory for unbalance is (TAKE OFF & LANDING) :
1500 kg
1800 kg
2200 kg
A
2200 kg
6
Q
- What is the purpose of the pressure relief sequence valves ?
Allows the transfert from wing tanks to center tank
When all pumps are running, center pumps will deliver fuel preferentially
A
When all pumps are running, center pumps will deliver fuel preferentially
7
Q
- For a given quantity, the normal tank refueling order is :
Wing tanks then center tank
Center tanks then wing tanks
All tanks simultaneously
A
All tanks simultaneously
8
Q
- Where is the fuel remaining in the surge tank scavanged :
Inner CELL
Outer CELL
A
Outer CELL
9
Q
74. All fuel pumps switches being on "ON" position, are wing tank pumps running while center tank is suplying ? Yes, wing tank pumps are always running No, only when center tank is empty No, because of center tank pump priority
A
Yes, wing tank pumps are always running
10
Q
- Why has a 2% additionnal space been provided in each fuel tank ?
For cooling purposes
For fuel expansion without spillage into the vent surge tank
A
For fuel expansion without spillage into the vent surge tank
11
Q
- What happens to the IDG cooling fuel when the wing tank is full ?
Fuel goes directly into the center tank
Fuel returns to the engine feeding line
The system automatically selects CTR TK PUMPS to “OFF”, WING TK PUMPS
feed until the engine have used approx. 500 kg
A
The system automatically selects CTR TK PUMPS to “OFF”, WING TK PUMPS
feed until the engine have used approx. 500 kg
12
Q
- Which type of motor controls the fuel cross-feed :
Single
Double
A
Double
13
Q
- If opened, when will the transfer valves close again ?
When the cell is empty
Transfert valves close automatically at the refuelling operation
A
Transfert valves close automatically at the refuelling operation
14
Q
- When the center tank is empty (MODE SEL AUTO), center tank pumps :
Must be manually switched OFF
Stop automatically and wing tank pumps start running
Stop automatically 5 min after LO LEVEL is reached in center tank
A
Stop automatically 5 min after LO LEVEL is reached in center tank
15
Q
- In normal operation the cross feed valve is :
Closed for TAKE-OFF
Automatically opened when the center tank has more than 100 kg of fuel
Opened for TAKE-OFF
A
Closed for TAKE-OFF