Fuel

What is the condition of a Spar or Engine fuel valve if the associated valve light is illuminated bright blue ?
1. The valve is open.
2. The valve is closed.
3. The valve is in transit.
What is the condition of a Spar or Engine fuel valve if the associated valve light is illuminated a dim blue ?
1. The valve is closed.
2. The valve is open.
3. The valve is in transit.
What is the condition of a Spar or Engine fuel valve if the associated valve light is not illuminated ?
1. The valve is closed.
2. The valve is open.
3. The valve is in transit.
4. The valve is inoperative.
What is indicated if the cross feed valve is not illuminated ?
1. The cross feed valve is closed.
2. The cross feed valve is open.
3. The cross feed valve is in transit.
4. The cross feed valve is inoperative.
What is the electrical power source of the Engine fuel valve ?
1. The Battery Bus.
2. Transfer Bus 1.
3. The Hot Battery Bus.
4. DC Bus 1.
What is the electrical power source of the Spar fuel valve ?
1. The Hot Battery Bus.
2. The Battery Bus.
3. DC Bus 1.
4. Transfer Bus 1.
What is the primary control for opening and closing the Engine and Spar fuel valves ?
1. The engine start levers.
2. The engine start switches.
3. The engine fire switches.
4. The EEC (Electronic Engine Control).
Which statement is true regarding the Engine fuel valve ?
1. The valve is solenoid controlled and opened by fuel pressure.
2. The valve is a motor driven valve.
3. The valve is opened by fuel pressure only when a fuel pump is ON.
4. The valve is mechanically opened and closed.
Is fuel temperature available with the Battery switch ON and no AC power available ?
1. No
2. Yes
An impending bypass of the fuel filter will result in ?
1. Illumination of the FILTER BYPASS warning light, Master Caution and FUEL annunciator.
2. Illumination of the FILTER BYPASS warning light.
3. Illumination of a LOW PRESSURE warning light, Master Caution and FUEL annunciator.
4. Illumination of a LOW PRESSURE warning light.
What is the electrical power source for the fuel Crossfeed Valve ?
1. The Battery Bus.
2. The Hot Battery Bus.
3. The Battery.
4. DC Bus 1.
Switching a center fuel pump to OFF will
1. illuminate the respective LOW PRESSURE warning light.
2. illuminate the respective LOW PRESSURE warning light, Master Caution and FUEL annunciator lights.
3. not illuminate the respective LOW PRESSURE warning light.
Will low output pressure of one center fuel pump activate the Master Caution system warning lights ?
1. No, however the Master Caution warning light and FUEL annunciator will illuminate during a recall check.
2. No, however the Master Caution FUEL annunciator will illuminate during a recall check.
3. Yes, the Master Caution light and FUEL annunciator will illuminate.
Will low output pressure of both center fuel pumps activate the Master Caution system warning lights ?
1. No, however the Master Caution warning light and FUEL annunciator will illuminate during a recall check.
2. No, however the Master Caution FUEL annunciator will illuminate during a recall check.
3. Yes, the Master Caution light and FUEL annunciator will illuminate.
4. Yes, the Master Caution FUEL annunciator will illuminate.
With fuel in the center tank and all fuel pumps on, what insures that the center tank fuel is used before main tank fuel ?
1. Higher output pressure of the center tank fuel pumps.
2. Center fuel tank check valves.
3. The fuel Crossfeed Valve.
A fuel scavenge jet pump is located in the center fuel tank. What condition(s) must exist before this pump will operate ?
1. The number 1 main tank must decrease to approximately 1/2 and the number 1 main tank forward pump must be ON.
2. The number 1 main tank must decrease to approximately 1/2 and both number 1 main tank pumps must be ON.
3. Both main tanks must decrease to approximately 1/2 and all main tank pumps must be ON.
4. The number 2 main tank must decrease to approximately 1/2 and both number 2 main tank pumps must be ON.
If both main tank LOW PRESSURE lights illuminate, the Master Caution light and FUEL annunciator will also illuminate.
1. True
2. False
If a single main tank LOW PRESSURE light illuminates, the Master Caution light and FUEL annunciator will also illuminate.
1. True
2. False
Positioning a main tank pump to OFF will illuminate the associated LOW Pressure light.
1. True
2. False
Which statement is true with regard to loss of all AC power ?
1. All fuel pumps continue to operate normally.
2. The main tank fuel pumps continue to operate and the center tank pumps are inoperative.
3. All fuel pumps are inoperative and the engines will continue to operate with suction feed from all tanks.
4. All fuel pumps are inoperative and the engines will continue to operate with suction feed from the main tanks only.
With all fuel pumps off, which tank supplies fuel for APU operation ?
1. The number 1 main tank.
2. The number 2 main tank.
How may fuel for APU operation be drawn from the center tank ?
1. The Crossfeed Valve must be open and one or more fuel pumps must be ON.
2. Fuel for APU operation is unavailable from the center tank.
3. At least one center fuel pumps must be on and all main tank pumps must be OFF.
What is the fuel capacity of each main tank ?
1. 8,630 LBS or 3,915 Kg.
2. 10,000 LBS or 4,536 Kg.
3. 7,600 LBS or 3,477 Kg.
4. 9,550 LBS or 4332 Kg.
What is the fuel capacity of the center tank ?
1. 8,630 LBS or 3,915 Kg.
2. 28,803 LBS or 13,066 Kg.
3. 26,700 LBS or 12,111 Kg.
4. 10,000 LBS or 4,536 Kg.
How much fuel quantity difference between main tanks will cause an IMBAL warning ?
1. 1,000 LBS or 453 Kg.
2. 800 LBS or 363 Kg.
3. 1,200 LBS or 545 Kg.
4. 1676 LBS or 760 Kg.
What causes a fuel CONFIG warning to illuminate ?
1. More than 1600 LBS or 726 Kg. in the center tank and both center tank fuel pumps OFF.
2. More than 1600 LBS or 726 Kg. in the center tank and both center tank fuel pumps OFF with one engine running.
3. More than 1600 LBS or 726 Kg. in the center tank and both center tank fuel pumps OFF with both engines running.
What causes a fuel LOW warning to illuminate ?
1. 2000 LBS or 907 Kg. remaining in both main tanks.
2. 2000 LBS or 907 Kg. remaining in the respective main tank.
3. 1676 LBS or 760 Kg. remaining in the respective main tank.
4. 1676 LBS or 760 Kg. remaining in both main tanks.
The fuel IMBAL warning is inhibited on the ground.
1. True
2. False
When is the CONFIG warning inhibited ?
1. On the ground, regardless of center tank quantity or engine and fuel pump operation.
2. Center tank quantity less than 800 LBS or 363 Kg.
3. Center tank quantity less than 500 LBS or 227 Kg.
4. The center tank must be empty.
With a loss of normal AC power will the fuel quantity indicators still operate ?
1. Yes, they are DC powered.
2. No, the indicators are inoperative.
3. Yes, if the AC standby bus is powered.
The Crossfeed Valve is inoperative with a loss of all AC power.
1. True
2. False
The SPAR VALVE CLOSED and ENG VALVE CLOSED lights will operate normally with a loss of all AC power.
1. True
2. False
How is fuel heated prior to reaching the engines ?
1. Fuel heaters located in each fuel tank.
2. By the main engine oil cooler.
3. By the IDG oil cooler.
4. By the main engine oil cooler and IDG oil cooler.
Which fuel indications are provided by the EEC ( Electronic Engine Control ) ?
1. FILTER BYPASS and Fuel Flow.
2. Fuel Flow and Quantity Indications.
3. Rate and Fuel Flow.
4. Fuel Temperature and FILTER BYPASS.
Which fuel valve(s) may be closed by pulling an engine fire switch ?
1. The Spar Valve.
2. The Engine Valve.
3. The Engine Valve and Spar Valve.
4. The Crossfeed Valve, Engine Valve and Spar Valve.

Fuel System