PNEUMATICS Flashcards
Q 01: Engine bleed air temperature is controlled by:
A: Engine oil.
B: A pre-cooler that uses fan air.
C: Conditioned air from the mixing unit.
B: A pre-cooler that uses fan air.
Q 02: If BMC1 fails BMC2 takes over all monitoring functions except:
A: Engine 1 and APU leak detection.
B: Overheat detection.
C: Automatic cross-bleed valve control.
A: Engine 1 and APU leak detection.
Q 03: Bleed air normally comes from the _______ of the engine.
A: High pressure stage.
B: Intermediate stage.
C: Low pressure stage.
B: Intermediate stage.
Q 04: In flight if the air pressure is insufficient even with the HP valve open:
A: The engine spools up automatically.
B: Engine power has to be increased by the pilot.
C: Push the High Pressure P/B on the ovhd panel.
A: The engine spools up automatically.
Q 05: The pressure regulating and shutoff valve will close if _______ pressure is _______ or _______ airflow occurs
A: Downstream / low / reverse
B: Downstream / High / reverse
C: Upstream / low / reverse
C: Upstream / low / reverse
Q 06: The crossbleed valve has two electric motors; one for the automatic mode and one for the manual mode:
A: True
B: False
A: True
Q 07: The overheat detection system uses a single loop for:
A: The pylons and APU.
B: The wings and pylons.
C: The wings and fuselage.
A: The pylons and APU.
Q 08: The APU BLEED FAULT light illuminates amber for an APU:
A: Overheat.
B: Malfunction.
C: Bleed leak.
C: Bleed leak.
Q 09: The AUTO position of the X BLEED selector opens the crossbleed if:
A: An engine bleed valve is open.
B: The APU bleed valve is open.
C: When engine start is selected.
B: The APU bleed valve is open.
Q 10: Recirculation fans in the air conditioning system direct filtered cabin air to which area?
A: The pneumatic duct; upstream of the packs.
B: The avionics compartment.
C: The Mixing unit.
C: The Mixing unit.
Q 11: Temperature regulation for the A320 is controlled by:
A: One zone controller and two pack controllers.
B: Two pack controllers and the BMC’s.
C: The BMC’s
A: One zone controller and two pack controllers.
Q 12: Should both channels fail in a zone controller:
A: Temperature optimization is still available for that zone from another controller.
B: Temperature optimization and the backup mode are lost.
C: The pack is not affected.
B: Temperature optimization and the backup mode are lost.
Q 13: The lavatory/galley extract fan operates:
A: Only on the ground.
B: Only in flight.
C: Continuously when electrical power is available.
C: Continuously when electrical power is available.
Q 14: If bleed air is being supplied by the APU or if one pack fails; pack flow will go to what rate?
A: Low.
B: Medium.
C: High.
C: High.
Q 15: What happens to the outflow valve when the RAM AIR switch is selected ON?
A: The outflow valve opens immediately.
B: The outflow valve opens if cabin differential pressure is less than 1 psi.
C: Normal outflow valve control is maintained.
B: The outflow valve opens if cabin differential pressure is less than 1 psi.
Q 16: When either the BLOWER or EXTRACT switches are in OVRD; air from the air conditioning system is added to ventilation air.
A: True.
B: False
A: True.
Q 17: How many motors are available for the outflow valve?
A: 1
B: 2
C: 3
C: 3
Q 18: Transfer between the two cabin pressure controllers is:
A: Accomplished with a switch overhead.
B: Automatic after landing or in case the operating controller fails.
C: Automatically at each takeoff.
B: Automatic after landing or in case the operating controller fails.