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A320 Neo


Airbus A320

(*Please refer the latest A320 Fcom, If any suggestion for improvement then please send us in comment box )
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1.      With the APU running, the APU BLEED push button selected ON and the X BLEED selector to AUTO, the APU will:
·         Only supply bleed air to the left side.
·         Supply pneumatic air to both sides of the aircraft because the pneumatic crossbleed valve automatically   opens.
·         Will supply bleed air only to the left side unless the X BLEED selector is selected OPEN.
·         Only supply bleed air to the right side.

2.       When does the engine bleed valve automatically close
·         During engine start.
·         When engine fire push button is pressed.
·         When APU bleed valve is opened.
·         In all of the above.

3.       With cross bleed selector in AUTO, engine & APU bleeds selected ON and available the
·         Engine bleed valve open, cross bleed valve opens & APU bleed valve closes.
·         Engine bleed valve close, cross bleed valve opens & APU bleed valve opens.
·         Engine bleed valve open, cross bleed valve closes & APU bleed valve opens.
·         Engine bleed valve close, cross bleed valve closes & APU bleed valve opens.

4.       Failure of one BMC causes.
·         Associated bleed valve closure.
·         Illumination of Master caution and single chime
·         The other BMC to take over the monitoring of the bleed system.
·         All the above are correct.

5.      Which source controls the crossbleed valve?
·         Pneumatic.
·         Electric.

6.      The crew may directly control the following bleed valves:
·         Engine, engine high pressure, APU.
·         Engine, intermediate pressure, APU.
·         Engine, APU, crossbleed.
·         Crossbleed.

7.      Bleed leak protection for the APU pneumatic duct is provided by:
·         Detection loops associated with BMC #1.
·         Detection loops associated with BMC #2.
·         The APU BMC.
·         All of the above.

8.      With the loss of pneumatic system pressure, the engine bleed valve will:
·         Remain in its current position.
·         Assume the mid position.
·         Assume the open position.
·         Assume the closed position.

9.      Pneumatic system operation is controlled and monitored by:
·         One bleed monitoring computer.
·         Two bleed valve computers.
·         Two bleed monitoring computers.

10.  The lavatory/galley extract fan operates:
·         Only on the ground.
·         Only in flight.
·         Continuously when electrical power is available.

11.  If bleed air is being supplied by the APU or if one pack fails; pack flow will go to what rate?
·         Low.
·         Medium.
·         High.

12.  What happens to the outflow valve when the RAM AIR switch is selected ON?
·         The outflow valve opens immediately.
·         The outflow valve opens if cabin differential pressure is less than 1 psi.
·         Normal outflow valve control is maintained.

13.  With both engines operating, an ENG BLEED pb FAULT light will illuminate when:
·         The valve position differs from that of the push button.
·         The X BLEED selector is selected to SHUT.
·         The X BLEED selector is selected to OPEN.
·         The X BLEED selector is selected to OPEN or to SHUT.

14.  Air bleed from the engines is:
·         Not cooled prior to being used by the systems.
·         Cooled in a heat exchanger by cooling air bleed from Fan section.
·         Cooled using ambient air.
·         Only cooled in air conditioning part.

15.  Engine bleed air temperature is controlled by:
·         Engine oil.
·         A pre-cooler that uses fan air.
·         Conditioned air from the mixing unit.

16.  If BMC1 fails BMC2 takes over all monitoring functions except:
·         Engine 1 and APU leak detection.
·         Overheat detection.
·         Automatic crossbleed valve control.

17.  Bleed air normally comes from the _______ of the engine.
·         High pressure stage.
·         Intermediate stage. IP
·         Low pressure stage.

18.  In flight if the air pressure is insufficient even with the HP valve open:
·         The engine spools up automatically.
·         Engine power has to be increased by the pilot.
·         Push the High Pressure P/B on the ovhd panel.

19.  The pressure regulating and shutoff valve will close if _______ pressure is _______ or _______ airflow occurs
·         Downstream / low / reverse
·         Downstream / High / reverse
·         Upstream / low / reverse

20.  The crossbleed valve has two electric motors; one for the automatic mode and one for the manual mode:
·         True
·         False

21.  The overheat detection system uses a single loop for:
·         The pylons and APU.
·         The wings and pylons.
·         The wings and fuselage.

22.  The APU BLEED FAULT light illuminates amber for an APU:
·         Overheat.
·         Malfunction.
·         Bleed leak.

23.  The AUTO position of the X BLEED selector opens the crossbleed if:
·         An engine bleed valve is open.
·         The APU bleed valve is open.
·         When engine start is selected.

24.  Recirculation fans in the air conditioning system direct filtered cabin air to which area?
·         The pneumatic duct; upstream of the packs.
·         The avionics compartment.
·         The Mixing unit.

25.  Temperature regulation for the A320 is controlled by:
·         One zone controller and two pack controllers.
·         Two pack controllers and the BMC’s.
·         The BMC's.

26.  Should both channels fail in a zone controller:
·         Temperature optimization is still available for that zone from another controller.
·         Temperature optimization and the backup mode are lost.
·         The pack is not affected.

27.  When either the BLOWER or EXTRACT switches are in OVRD; air from the air conditioning system is added to ventilation air.
·         True.
·         False

28.  How many motors are available for the outflow valve?
·         1
·         2
·         3

29.  Transfer between the two cabin pressure controllers is:
·         Accomplished with a switch overhead.
·         Automatic after landing or in case the operating controller fails.
·         Automatically at each takeoff.

30.  The maximum cabin descent rate is limited in automatic to:
·         300 ft/min.
·         750 ft/min.
·         1000 ft/min.

31.  The third motor (manual) in the pressurization system is activated:
·         Automatically if both automatic motors fail.
·         In sequence after each landing.
·         When the CABIN PRESS MODE SEL switch is positioned to MAN.

32.  When the cabin vertical speed exceeds _______ fpm; the vertical speed display on ECAM _______.
·         800 / flashes green
·         2800 / flashes green
·         1800 / flashes green

33.  The pneumatic system supplies high pressure air for:
·         Air Conditioning, water pressurization and engine starting
·         Wing anti-icing.
·         Hydraulic reservoir pressurization.
·         All of the above.

34.  High pressure air has ______ sources.
·         2
·         3
·         4
·         5

35.  If a Bleed Monitoring Computer (BMC) fails:
·         All systems associated with the failed BMC also fail.
·         The associated bleed valves close.
·         The remaining BMC will automatically assume most of the failed BMC's functions.

36.  A leak detection system detects any overheating in the vicinity of hot air ducts.
·         True.
·         False.

37.  When engine and wing anti-ice are in use, and a BMC detects a bleed leak:
·         Only the engine anti-ice on the associated side will be lost.
·         The wing and engine anti-ice on the associated side will be lost.
·         The wing anti-ice on the associated side will be lost, and the engine anti-ice on the associated side will continue to function.

38.  Each bleed valve is electrically operated and controlled pneumatically by its associated BMC.
·         True.
·         False.

39.  If a BMC detects a bleed leak:
·         The crew must isolate the affected leak.
·         All valves that could supply pneumatic air to the area of the bleed leak will automatically close.
·         All pneumatic valves close automatically.

40.  If one BMC fails, the adjacent BMC takes over the monitoring of the bleed system to issue the following ECAM warnings if necessary:
·         Overpressure
·         Overtemperature
·         Wing leak
·         All of the above.

41.  ECAM BLEED page: when is the GND symbol displayed?
·         Whenever the aircraft is on the ground.
·         All the time.
·         Only when a ground air supply is connected.

42.  In automatic mode, the crossbleed valve opens when the system is using APU bleed air.
·         It closes if the system detects an air leak (except during engine start).
·         It closes if the system detects an air leak (except in flight).
·         It closes automatically if the system detects an air leak.

43.  What happens when pressure and temperature are not sufficient to supply the corresponding engine bleed valve?
·         HP valve closes.
·         HP valve opens, if stage closed.
·         HP valve opens, IP stage remains in the same configuration.

44.  When additional pneumatic air is required for anti-ice, engine starting, or air conditioning:
·         Additional pneumatic air will be requested by the BMC to the FADECs or the APU.
·         The crew must observe minimum N1 limits.
·         Both are correct.

45.  When selected, APU bleed air:
·         Will supply bleed air only if the ENG BLEED pb's are selected OFF.
·         Has priority over engine bleed air.
·         Will supply bleed air only if the X BLEED selector is selected OPEN.
·         Does not have priority over engine bleed air.

46.  APU bleed air supplies the pneumatic system if the APU speed is above _____:
·         80%
·         85%
·         92%
·         95%

47.  A check valve near the crossbleed duct protects the APU when bleed air comes from another source:
·         True.
·         False.

48.  Following an ENGINE 1 BLEED FAULT, why can you only use one pack if Wing Anti Ice (WAI) is on?
·         Only one user can be supplied via the X BLEED duct.
·         Only ENG BLEED system cannot supply 2 packs and WAI.
·         If you use WAI, the X BLEED valve is automatically closed. Therefore, pack 1 will no longer be supplied.
·         One engine bleed system can either supply both packs or one pack plus WAI.

49.  Temperature regulation is achieved by the precooler which regulates and limits the temperature at:
·         150°C
·         85°C
·         60°C
·         200°C


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