Airbus A320 · Fuel 题库(63 题)
Airbus A320 机型「Fuel」相关知识共 63 道题。想练习或模拟考试,请到
题库 · 模拟考试。
进入练习 / 模拟考试 »1.From which tanks will fuel gravity feed?
- Outer cell of the wing tanks, inner cell of the wing tanks, and/or center tank.
- Inner cell of the wing tanks, and center tank.
- Outer cell of the wing tanks, and inner cell of the wing tanks. ✓
- The center tank only.
正确答案:Outer cell of the wing tanks, and inner cell of the wing tanks. · A320 · 来源 smartcockpit.com
2.With fuel in the center tank, the CTR TK MODE SEL push button selected to AUTO and the CTR TK PUMP push buttons ON (lights out), the center tank pumps:
- Will operate for a short period after the first engine MASTER switch is selected ON and while slats are retracted.
- Will continue to run until the center tank is empty or slats are extended.
- All statements are correct. ✓
正确答案:All statements are correct. · A320 · 来源 smartcockpit.com
3.The wing fuel transfer valves are:
- Manually controlled and open when the MODE SEL push button is selected to MAN.
- Open automatically at the start of refueling.
- Automatically close if a low level is sensed in either main wing tank, they automatically close at the next fueling.
- Are electrically held closed. ✓
正确答案:Are electrically held closed. · A320 · 来源 smartcockpit.com
4.The APU fuel system:
- Uses its own dedicated DC powered fuel pump.
- Obtains fuel from either center tank pump.
- Obtains fuel from the left fuel manifold via the left side fuel pumps or if needed, the APU fuel pump. ✓
- Obtains fuel from the left fuel manifold via the right side fuel pumps.
正确答案:Obtains fuel from the left fuel manifold via the left side fuel pumps or if needed, the APU fuel pump. · A320 · 来源 smartcockpit.com
5.The message OUTER TK FUEL XFRD appears in the MEMO. What does this mean?
- It is a reminder to show that a transfer valve is open in one wing tank. ✓
- Fuel is transferring from the center tank to the inner tank.
- It is a reminder to open the outer tank transfer valve.
- Fuel is transferring from the inner tank to the outer tank.
正确答案:It is a reminder to show that a transfer valve is open in one wing tank. · A320 · 来源 smartcockpit.com
6.During normal operations when should the fuel transfer valves open?
- When a low level is sensed in the center tank.
- When a low level is sensed in either outer wing cell.
- When low level is sensed in either inner wing cell. ✓
正确答案:When low level is sensed in either inner wing cell. · A320 · 来源 smartcockpit.com
7.Some A318, A319, A320 and A321 aircraft are equipped with a Fuel Tank Inerting System. The aim of this system is to reduce the flammability in the fuel tanks that have a high flammability exposure. The Fuel Tank Inerting System:
- is installed for all fuel tanks.
- Only needs to be installed in the inner and the center tanks.
- Only needs to be installed for the center tank. All other tanks do not need Fuel Tank Inerting System installation. ✓
- Only needs to be installed in the inner tanks.
正确答案:Only needs to be installed for the center tank. All other tanks do not need Fuel Tank Inerting System installation. · A320 · 来源 smartcockpit.com
8.The AC powered auxiliary fuel boost pump for the APU operates whenever the APU is operating and no other pump is on. it has an alternate power source on the AC Static Inverter bus for battery-only starts.
- True. ✓
- False.
正确答案:True. · A320 · 来源 smartcockpit.com
9.An amber line appears across the last two digits of the ECAM FOB indication when:
- The fuel quantity is unreliable. ✓
- The center tank pumps are switched off.
- The center tank pumps have failed.
正确答案:The fuel quantity is unreliable. · A320 · 来源 smartcockpit.com
10.After engine shutdown, what are the required actions to close the fuel transfer valves?
- The flight crew will have to switch the inner tank pumps off.
- The flight crew will have to call maintenance to close the valves.
- No action is required. The valves will close automatically during the next refueling. ✓
正确答案:No action is required. The valves will close automatically during the next refueling. · A320 · 来源 smartcockpit.com
11.Refueling is possible if the aircraft batteries are the only source of power.
- True. ✓
- False.
正确答案:True. · A320 · 来源 smartcockpit.com
12.After engine start, center tank fuel pumps run for _____ minutes regardless of slat position.
- 1 minute.
- 2 minutes. ✓
- 3 minutes.
- 5 minutes.
正确答案:2 minutes. · A320 · 来源 smartcockpit.com
13.How is the fuel being transferred from the outer to the inner tanks?
- By setting the MODE SEL pushbutton to MAN.
- The transfer valve has been opened automatically by the low lever sensor in the center tanks.
- By setting the MODE SEL pb to AUTO.
- The transfer valve has been opened automatically by the low level sensor in the inner tank. ✓
正确答案:The transfer valve has been opened automatically by the low level sensor in the inner tank. · A320 · 来源 smartcockpit.com
14.The fuel quantity indication on ECAM for the outer cell is boxed amber if:
- One transfer valve fails to open.
- Outer cell fuel temperature is high.
- Both transfer valves fail to open when inner cell is at low level. ✓
正确答案:Both transfer valves fail to open when inner cell is at low level. · A320 · 来源 smartcockpit.com
15.Fuel transfer from the outer compartment to the inner compartment of the wing tanks occurs when the inner compartment quantity decreases to:
- 250 kilograms (550 lb).
- 450 kilograms (990 lb).
- 750 kilograms (1650 lb). ✓
- 850 kilograms (1870 lb).
正确答案:750 kilograms (1650 lb). · A320 · 来源 smartcockpit.com
16.What is the minimum fuel quantity for takeoff?
- 1,000 kg. (2,205 lb).
- 1,200 kg (2,645 lb).
- 1,500 kg (3, 307 lb). ✓
- 2,000 kg (4,409 lb).
正确答案:1,500 kg (3, 307 lb). · A320 · 来源 smartcockpit.com
17.The fuel crossfeed valve is controlled by 2 motors.
- True. ✓
- False.
正确答案:True. · A320 · 来源 smartcockpit.com
18.FUEL QUANTITY INDICATION (FQI) SYSTEM - There are three channels performing fuel computations: channel 3 activates automatically if a quantity difference is sensed between channel 1 and channel 2 or if any of the two channels fails.
- True.
- False. ✓
正确答案:False. · A320 · 来源 smartcockpit.com
19.What indication will you see on the overhead fuel panel if the center tank has more than 250 kilograms (550 lb) of fuel and the left or right wing tank have less than 5,000 kilograms (11,000 lb).
- Auto feed fault.
- Fuel imbalance.
- Mode select fault. ✓
- Fuel - Auto feed fault.
正确答案:Mode select fault. · A320 · 来源 smartcockpit.com
20.A special fuel pump supplies fuel for APU startup when fuel feed pressure is low (due to loss of tank pumps or loss of normal AC electrical supply).
- True. ✓
- False.
正确答案:True. · A320 · 来源 smartcockpit.com
21.Why do the center tank pumps stop automatically when then slats are extended for takeoff?
- To keep the center of gravity as low as possible.
- Dumping takeoff, the center tank fuel is pumped to the rear to trim aircraft.
- To ensure that the engines are fed from the wing tanks for takeoff (feeding segregation) ✓
- During takeoff, the center tank fuel is gravity fed only.
正确答案:To ensure that the engines are fed from the wing tanks for takeoff (feeding segregation) · A320 · 来源 smartcockpit.com
22.The fuel system keeps fuel in the inner tanks for wing bending and flutter relief.
- True.
- False. ✓
正确答案:False. · A320 · 来源 smartcockpit.com
23.Refueling time at normal pump pressure is _____ for the wing tanks and _____ for all tanks.
- 15 minutes and 25 minutes.
- 17 minutes and 20 minutes. ✓
- 15 minutes and 20 minutes.
- 25 minutes and 30 minutes.
正确答案:17 minutes and 20 minutes. · A320 · 来源 smartcockpit.com
24.Which of the following would cause the FAULT light to illuminate on the MODE SEL push button?
- Fuel is being burned out of sequence. ✓
- Crossfeed push button is ON.
- Center tank pumps do not stop after slat extension.
- Center tank pumps do not stop 5 minutes after center tank low level reached.
正确答案:Fuel is being burned out of sequence. · A320 · 来源 smartcockpit.com
25.Fuel can be transferred from tank to tank:
- Only on the ground. ✓
- In flight if the fuel X FEED push button is selected OPEN.
- In flight if the fuel X FEED push button is selected OPEN and center tank MODE SEL push button is selected to MAN.
- Fuel can never be transferred.
正确答案:Only on the ground. · A320 · 来源 smartcockpit.com
26.The message CTR TK FEEDG appears in the MEMO. What does this mean?
- The center tank fuel mode selector is OFF.
- The center tank pumps are OFF.
- At least one center tank pump is energized. ✓
- A reminder to switch the center tank pumps OFF.
正确答案:At least one center tank pump is energized. · A320 · 来源 smartcockpit.com
27.When fuel quantity in one wing tank goes below _____, the low-level sensor triggers the LO LVL warning on ECAM.
- 500 kg (1,100 lb).
- 650 kg (1,433 lb).
- 750 kg (1,650 lb). ✓
- 850 kg (1,874 lb).
正确答案:750 kg (1,650 lb). · A320 · 来源 smartcockpit.com
28.What does an amber line across the last two digits of the fuel quantity mean?
- The fuel quantity indication is inaccurate. ✓
- The fuel quality is not good and should be checked.
- A disagreement between fuel measured and fuel entered on the MCDU has been detected.
- Not all the fuel aboard is useable.
正确答案:The fuel quantity indication is inaccurate. · A320 · 来源 smartcockpit.com
29.What precaution should you observe when gravity feeding fuel?
- Operate the aircraft below 15,000 feet. ✓
- Use center tank first.
- Open the crossfeed when above FL250
- There is no special precaution needed.
正确答案:Operate the aircraft below 15,000 feet. · A320 · 来源 smartcockpit.com
30.Fuel quantity indication - The center tank indication is boxed amber, if:
- Both center tank pumps are failed.
- One or both center tank pumps are failed.
- Both center tank pumps are failed, or are switched OFF. ✓
正确答案:Both center tank pumps are failed, or are switched OFF. · A320 · 来源 smartcockpit.com
31.The fuel system circulates fuel to cool the Integrated Drive Generator (IDG).
- True. ✓
- False.
正确答案:True. · A320 · 来源 smartcockpit.com
32.The Fuel Used indication on ECAM is reset:
- Manually by the flight crew.
- Automatically at engine start on the ground. ✓
- Automatically at electric power up of the aircraft.
- Automatically 15 minutes after the last engine is stopped.
正确答案:Automatically at engine start on the ground. · A320 · 来源 smartcockpit.com
33.The LO LVL warning is totally independent from the displayed fuel quantity indication of the tank.
- True. ✓
- False.
正确答案:True. · A320 · 来源 smartcockpit.com
34.With the center tank pump mode SEL switch in AUTO, the center tank pumps:
- Run for 2 minutes after both engines are running.
- Will not restart until slats are retracted in flight.
- Continue to run until 5 minutes after the center tank is empty.
- All statements are correct. ✓
正确答案:All statements are correct. · A320 · 来源 smartcockpit.com
35.How high is the APU fuel consumption approximately on ground (Packs ON, 90KVA load)?
- 200kg/hr
- 130kg/hr ✓
- 80kg/hr
- 250kg/hr
正确答案:130kg/hr · A320 · 来源 Chair Flight A320 Question Bank
36.During APU start the APU fuel pump operates…
- if at least one fuel tank pump is operating
- if no fuel tank pump is operating ✓
- if the aircraft has ground power
- the APU fuel pump always operating during APU start
正确答案:if no fuel tank pump is operating · A320 · 来源 Chair Flight A320 Question Bank
37.Which statement is correct concerning the APU fuel feed system?
- if pressure is not available (batteries only or pumps off) the APU FUEL PUMP starts automatically ✓
- the autonomous DFCU (digital fuel control unit) controls the fuel flow
- the right fuel feed line supplies the APU
- above FL150, only gravity fuel feeding to the APU is available
正确答案:if pressure is not available (batteries only or pumps off) the APU FUEL PUMP starts automatically · A320 · 来源 Chair Flight A320 Question Bank
38.During refuelling a fuel spill has been occurred, while the APU is running:
- Refuelling may be continued only with JET-B fuel
- A normal APU shutdown has to be completed ✓
- An emergency APU shutdown has to be completed
- No further action required
正确答案:A normal APU shutdown has to be completed · A320 · 来源 Chair Flight A320 Question Bank
39.Which fuel feed line normally supplies the APU?
- The left fuel feed line ✓
- The left and right fuel feed line
- The left or right fuel feed line
- The right fuel feed line
正确答案:The left fuel feed line · A320 · 来源 Chair Flight A320 Question Bank
40.The message OUTER TK FUEL XFRD appears in the MEMO. What does it mean?
- It is a reminder to show that a transfer valve is open. ✓
- Fuel is transferring from the center tank to the inner tank.
- It is a reminder to open the outer tank transfer valve.
- Fuel is transferring from the inner tank to the outer tank.
正确答案:It is a reminder to show that a transfer valve is open. · A320 · 来源 Chair Flight A320 Question Bank
41.How has the fuel been transferred from the outer to the inner tanks?
- By setting the MODE SEL pb to MAN.
- The transfer valve has been opened automatically by the low level sensor in the center tanks.
- By setting the MODE SEL PB to AUTO.
- The transfer valve has been opened automatically by the low level sensor in the inner tank. ✓
正确答案:The transfer valve has been opened automatically by the low level sensor in the inner tank. · A320 · 来源 Chair Flight A320 Question Bank
42.Concerning fuel transfer, which statement is correct?
- Fuel transfer levels both wing tanks if the level difference reaches 750 kg.
- Fuel transfer is used to drain center tank fuel to wing tanks to optimize CG.
- Transfer valves open automatically, when inner tank fuel level reaches 750kg, which enables fuel drain from outer to inner tanks. ✓
- On ground only fuel is drained from outer to inner tanks by transfer pumps.
正确答案:Transfer valves open automatically, when inner tank fuel level reaches 750kg, which enables fuel drain from outer to inner tanks. · A320 · 来源 Chair Flight A320 Question Bank
43.The main fuel pump system of an A319 or A320 supplies fuel from the fuel tanks to the engines. The system has:
- 2 main fuel pumps
- 4 main fuel pumps
- 6 main fuel pumps ✓
- 8 main fuel pumps
正确答案:6 main fuel pumps · A320 · 来源 Chair Flight A320 Question Bank
44.Fuel Recirculation System
- Some of the fuel is used to heat the IDGs
- Some of the fuel is used to heat the airconditioning packs
- Some of the fuel is used to cool the airconditioning packs
- Some of the fuel is used to cool the IDGs ✓
正确答案:Some of the fuel is used to cool the IDGs · A320 · 来源 Chair Flight A320 Question Bank
45.The fuel transfer valves automatically open when the inner tank fuel quantity reaches ____ kg:
- Approx. 1.000 kg
- Approx. 750 kg ✓
- Approx. 250 kg
- Approx. 500 kg
正确答案:Approx. 750 kg · A320 · 来源 Chair Flight A320 Question Bank
46.The fuel flow to an engine can be stopped by its low pressure fuel valve. This can be done with :
- Engine master switch only
- Tank pumps switches
- Engine fire push button only
- Engine master switch or engine fire pb switch ✓
正确答案:Engine master switch or engine fire pb switch · A320 · 来源 Chair Flight A320 Question Bank
47.Moving the ENG1 (ENG2) MASTER switch to OFF directly commands the closing of the _____ fuel shut off valve (s).
- LP only
- HP only
- LP and HP
- LP and HP and the fuel return valve ✓
正确答案:LP and HP and the fuel return valve · A320 · 来源 Chair Flight A320 Question Bank
48.Fuel Mixability: The following mixtures are allowed:
- The various certified types of fuel and additives can be mixed in all proportions. If required the fuel freezing point must be determined ✓
- Only JET A1 is allowed
- Only JET A1 and JET A are allowed
- Only JET A1 and Jet B are allowed
正确答案:The various certified types of fuel and additives can be mixed in all proportions. If required the fuel freezing point must be determined · A320 · 来源 Chair Flight A320 Question Bank
49.What indication will you see on the overhead panel if the center tank has more than 250 kilograms of fuel and the left or right wing tank has less than 5000 kilograms?
- Auto feed fault
- Mode selector fault ✓
- Center tank pump fault
- Fuel imbalance
正确答案:Mode selector fault · A320 · 来源 Chair Flight A320 Question Bank
50.After engine start, the center tank fuel pumps run for ______ minutes regardless of the slats position.
- 10minutes
- 2minutes ✓
- 5minutes
- 1minute
正确答案:2minutes · A320 · 来源 Chair Flight A320 Question Bank
51.Refueling time at nominal pump pressure is approx.
- 17 minutes for the wing tanks and 20 minutes for all tanks ✓
- 7 minutes for the wing tanks and 25 minutes for all tanks
- 16 minutes for the wing tanks and 30 minutes for all tanks
- 9 minutes for the wing tanks and 15 minutes for all tanks
正确答案:17 minutes for the wing tanks and 20 minutes for all tanks · A320 · 来源 Chair Flight A320 Question Bank
52.The fuel feeding system consists of, among others, the following components:
- An AC ESS SHED powered APU pump supplied by the left fuel feed line, four transfer valves between the outer and inner wing tanks and one X-FEED valve ✓
- An AC STAT INV BUS powered APU pump supplied by the right fuel feed line, four center tank pumps, four wing tank pumps
- A DC BUS 1 powered APU pump supplied by the left fuel feed line, two transfer valves between the inner tanks and the center tank
- A DC BUS 2 powered APU pump supplied by the right fuel feed line, two center gravity feed only pumps, one refuel valve
正确答案:An AC ESS SHED powered APU pump supplied by the left fuel feed line, four transfer valves between the outer and inner wing tanks and one X-FEED valve · A320 · 来源 Chair Flight A320 Question Bank
53.The fuel storage is organized as follows:
- Two wing tanks, two external tanks, two deaerating tanks, one fuselage tank
- One center wing spar tank, two outer tanks, two vent tanks, two wing bending tanks
- Two center tanks, two inner tanks, two outer tanks, two vent tanks
- One center tank, two inner tanks, two outer tanks, two vent tanks ✓
正确答案:One center tank, two inner tanks, two outer tanks, two vent tanks · A320 · 来源 Chair Flight A320 Question Bank
54.What happens to the transfer valves once they are open after a fuel transfer?
- The two hydraulic transfer valves close again as soon as all the fuel has transfered into the inner tank. They might not, however, close during refueling if on battery power only
- The four electrical transfer valves are latched open and close again automatically at the next refuelling operation ✓
- The two electrical transfer valves are latched open when a certain level of fuel in the inner tank is reached. They close when the transfer is completed
- The four electric transfer valves are latched open and close again when the aircraft is on ground (left landing gear strut compressed)
正确答案:The four electrical transfer valves are latched open and close again automatically at the next refuelling operation · A320 · 来源 Chair Flight A320 Question Bank
55.If the FUEL MODE SEL pb-sw is in the AUTO mode, how much fuel will have to be used from the full wing tanks if the center tank is feeding?
- approximately 500 kg per wingtank ✓
- approximately 850 kg per wingtank
- approximately 250 kg per wingtank
- In this situation, there is no need to burn fuel off the wing tanks as the output pressure of the wing tanks pumps is stronger than the output pressure of the center tank pumps
正确答案:approximately 500 kg per wingtank · A320 · 来源 Chair Flight A320 Question Bank
56.Is gravity feeding from the center tank possible?
- Yes
- No ✓
- Yes, on ground only
- Yes, but only up to FL200
正确答案:No · A320 · 来源 Chair Flight A320 Question Bank
57.When do you switch ON the fuel pumps?
- During Cockpit Preparation (all white lights extinguished) ✓
- After refueling
- Just before ”Before Start Checklist”
- Just before engine start
正确答案:During Cockpit Preparation (all white lights extinguished) · A320 · 来源 Chair Flight A320 Question Bank
58.FOB (fuel on board) boxed amber on ECAM fuel page means:
- Both transfer valves in either wing tank fail to open when inner cell is at low level and Center tank pumps failed or switched off. ✓
- One transfer valve fails to open when inner cell is at low level.
- FQI (fuel quantity indicator) is degraded.
- One center tank pump has failed or is switched off.
正确答案:Both transfer valves in either wing tank fail to open when inner cell is at low level and Center tank pumps failed or switched off. · A320 · 来源 Chair Flight A320 Question Bank
59.FOB (fuel on board) half-boxed amber on EWD means:
- The displayed quentity is not all usable
- Innercell transfer valves fail to open, when inner tank is at low level
- Center tank pumps fail, or are switched OFF
- All answers are correct ✓
正确答案:All answers are correct · A320 · 来源 Chair Flight A320 Question Bank
60.With slats extended, the centre tank pumps run on ground:
- Always.
- Never
- Yes, after engine start for 2 minutes. ✓
- Yes, 2 minutes after Engine start.
正确答案:Yes, after engine start for 2 minutes. · A320 · 来源 Chair Flight A320 Question Bank
61.TRIPPED C/B RE-ENGAGEMENT A FUEL PUMP C/B has tripped by itself. Which statement regarding the reengagement is correct
- On ground do not reengage the C/B of the fuel pump(s) of any tank
- In flight do not reengage the C/B of the fuel pump(s) of any tank
- both answers are correct ✓
正确答案:both answers are correct · A320 · 来源 Chair Flight A320 Question Bank
62.Two minutes after ALT CRZ engages, if the mach mode is operative, SOFT ALT mode engages. This allows the aircraft to _______ the target altitude, thereby minimizing thrust variations and reducing fuel consumption.
- deviate ± 75 feet from
- deviate ± 50 feet from ✓
- maintain
- deviate ± 100 feet from
正确答案:deviate ± 50 feet from · A320 · 来源 Chair Flight A320 Question Bank
63.The outer indication is boxed amber, if both transfer valves fail to open when the inner is at low level
- true ✓
- false
正确答案:true · A320 · 来源 A320 HANDBOOK (general ATA)