Air Conditioning/Pressurization/Ventilation
I of XVIII
Q 01:
Conditioned air is distributed to:
A: Cockpit, cargo bays and cabin
B:
Cockpit, fwd and aft cabins
C: Cockpit, avionics bay and cabin
D: Cockpit, cabin and holds 1 and 2 only
Q 02: Hot
air fault light illuminates on the air conditioning panel,
A:
The hot air press. reg. valve opens and the trim air valves close.
B:
The hot air press. reg. valve closes and the trim air valves open.
C:
The hot air press. reg. valve closes and the trim air valves close.
D: The hot air press. reg. valve opens and
the trim air valves open.
Q 03:Does
the trim air provide the warm air or the cold air to the air conditioning
system?
A: Cold air
B:
Warm air
Q 04: In
case of zone controller primary and secondary channel failure, what
temperatures are maintained by pack one and pack two?
A: 15 deg.C both
B: 25 deg.C both
C: 20
deg.C for pack one and 10 deg.C for pack two
D: 24 deg.C for pack one and 15 deg.C for
pack two
Q 05: In
normal flight in closed circuit configuration, the avionics ventilation system
controls the temperature of the cooling air by:
A:'Adding air conditioned air to the flow
B: Extracting air overboard
C: Adding avionics bay air
D:
Passing air through a skin heat exchanger
Q 06: To
enable Ram air to the mixture unit, The Ram air switch should be used:
A: At any time
B:
Only when differential pressure is less than 1 psi.
C: When pressure is greater than 1 psi diff.
D: Only after outflow valve is fully opened
Q 07: Pack
controller, primary channel failure.
A:
The secondary computer operates as a backup mode and regulation is not
optimized
B: The secondary computer takes over (all
functions as normal)
C: Pack is lost
D: Pack outlet temperature is controlled at
15 deg.C
Q 08: Pack
controller, secondary channel failure
A:No
effect on pack regulation backup mode is lost
B: Pack is lost
C: No effect (all modes still available)
D: Pack outlet temperature is controlled at
15 deg.C'
Q 009: Pack controller, primary and secondary channel
failure
A:
Pack outlet temperature is controlled to between 5 and 30 deg.C by the anti-ice
valve
B: The pack is closed
C: The packs deliver a fixed temperature of
20 deg.C
Q 10: Hot
air press. reg. valve failed open:
A: Optimized regulation is lost
B: The temperature stays at the value
selected
C: No
effect
D: Cabin temperature will be controlled at
the upper limit 30 deg.C
Q 11: Bleed
air supplied from the APU (APU bleed valve open), the pack flow is
automatically selected:
A:
High
B: Normal
C: Low
D: Econ. Flow
Q 12: Trim
air valve, each one optimizes the temperature by:
A:
Adding hot air
B: Adding fresh air
C: Modulating of pack flow
D: Adding re-circulated air
Q 13: Hot
air pressure regulating valve:
A:
Regulates the pressure of hot air tapped upstream of the packs
B: Is spring loaded open in the absence of
air
C: Opens automatically in case of duct
overheat
D: Opens automatically if the cabin trim air
valve fails
Q 14: Pack
flow control valve:
A: Is
pneumatically operated and electrically controlled
B: Electrically operated and pneumatically
controlled
C: Opens automatically during engine
starting
D: Is spring loaded to open.
Q 15: Engine
flow demand, when the heating or cooling demand in one zone cannot be
satisfied:
A: The minimum idle must be increased
manually
B:
The minimum idle is increased automatically
C: In any case, flight idle is sufficient
D: The APU must be used to supply additional
air.
Q 16: What
is the Norm.Max. cabin altitude?
A:
8,000 ft
B: 9,550 ft +/- 350 ft
C: 14,000 ft
D: 800 ft
Q 17: What
is the Max. negative Diff. pressure for the cabin?
A: 0 psi.
B: 1 psi.
C: 2 psi.
D: 8.6 psi.
Q 18: It is
permissible to use simultaneously packs and Lp ground unit during long stops in
a hot airfield
A: Yes
B: No
C: Yes, if
external temperature is greater than 50 deg.C
D: Yes,
provided the airflow supplied by the ground cart is less than 1.2 kg/s
Q 19: What
are the different sources of air for air conditioning and pressurization?
A: Engine bleed air and recirculated air
(only on ground)
B: Engine bleed air and recirculated air.
C:
Engine bleed air and recirculated air, or if selected, APU bleed air and
recirculated air.
D: Engine bleed air only.
Q 20: During
the exterior preflight on a warm day, in what position would you expect to find
the avionics ventilation system INLET and EXTRACT valves to be in?
A: Closed.
B:
Open.
C: Closed or open regarding of the APU bleed
valve.
D: Closed or open
Q 21: What
happens to the pack flow control valves during engine start?
A:
They must be selected off.
B: They must be selected off on cold days
only.
C: They must be selected off on hot days
only.
D:
They automatically close.
Q 22: The
temperature of each aircraft zone is optimized by means of:
A: A
HOT AIR valve.
B: A ZONE control valve.
C: A PACK FLOW VALVE.
D: A TRIM AIR valve.
Q 23: When
does normal pressurization occur?
A: After second engine start.
B: Pressurization occurs during taxi
C:
Pressurization occurs during the takeoff roll.
D: After rotation.
Q 24: When
does normal depressurization occur?
A:
100 feet AGL above touchdown.
B: It
is complete 1 minute after touchdown.
C: After flap retraction.
D: On landing touchdown
Q 25: Under
what conditions should the pack flow controller be set to LO?
A:
With a low passenger load to reduce bleed air demand and improve fuel
efficiency.
B: With a low passenger load to increase
cabin temperature
C: With a high passenger load to reduce
cabin temperature
D: In cold conditions to achieve a higher
cabin temperature range.
Q 26: Which
statement is correct regarding illumination of the amber AFT ISOL VALVE fault
light?
A: Automatically closes the aft cargo
compartment isolation valves.
B:
Means that either the inlet or outlet isolation valve(s) disagrees with the
switch position.
C: Indicates that the extract fan has
stopped.
D: All of the above.
Q 27:
Pressurization controllers receive inputs from:
A:LGCIU,
ADIRU, FMGS, and EIU.
B: LGCIU’s and the MCDU.
C: LGCIU’s and pitot static sources.
D: MCDU and LGCIU’s.
Q 28: What
computers control the cabin and cockpit conditioned air?
A: Two zone controllers that pass
information and requests to two pack controllers.
B: Two pack controllers that pass
information and requests to three zone controllers.
C: Three zone controllers that pass
information and instructions to two pack controllers for three zones.
D:
One zone controller that passes information and instructions to two pack
controllers for three zones.
Q 29: When
would you select RAM AIR ON?
A: If additional cooling is required on the
ground.
B:
Dual pack failure or smoke removal.
C: When pack temperatures are too high.
D: When there is smoke in the cabin.
Q 30: What
happens when a temperature selector rotary knob is adjusted?
A: A signal is sent to the zone controller
requesting a different temperature.
B: Nothing as there is no relationship
between a temperature selector knob and the trim air valve.
C: The associated trim air valve immediately
moves to a different position.
Q 31: With
APU BLEED ON and engine BLEED switches ON with engines running, what is the
position of the engine bleed valves?
A:
Closed
B: Open
C: Depends on the crossbleed selector
Q 32:
Pressurization is normally automatic.
Can you interfere with it?
A:
Yes, CABIN PRESS MODE SEL to OVERRIDE and MAN V/S CTL toggle switch.
B: Yes, manually set landing elevation using
the LND ELEV AUTO selector.
C: Both are correct.
Q 33: Under
what conditions should the pack flow controller be set to HI?
A: In
cold conditions to achieve a higher cabin temperature range.
B: With a low passenger load to increase
cabin air flow.
C:
With a high passenger load in hot conditions in order to help reduce the cabin
temperature.
Q 34: What
is the function of the ram air valve?
A: 'Ventilation while on the ground.
B:
Emergency smoke removal and ventilation in the event of dual pack failure.
C: Avionics cooling.
D: Cargo ventilation & avionics
cooling.
Q 35:
Placing the EXTRACT push button to override:
A: De-energizes the extract fan
B: Places the avionics ventilation system in
the closed configuration.
C:
Insures the extract fan will continue to be energized.
D: Places the avionics ventilation system in
the open configuration.
Q 36: The
Ram Air valve:
A: Should be opened for increased
ventilation while on the ground.
B: Will open automatically after engine
start.
C: Should be opened for increased
ventilation while in flight.
D:
Must be manually activated.
Q 37: What
limitation is associated with the ram air valve?
A: Do
not open if cabin pressure is greater than 1 psi.
B: Only open while on the ground.
C: Will not open if the DITCHING switch is
off.
D: Operation is automatic.
Q 38: With
the pressurization system in the automatic mode, which valves are closed when
the ditching push button is selected on?
A: All valves below the water line.
B: APU inlet.
C: The engine bleed valves.
D: Only the avionics cooling valves.
Q 39: What
is the maximum negative differential pressure for the cabin?
A:0 psi.
B: 1
psi.
C: 2 psi.
D: 3 psi.
Q 40: The
HOT AIR valve push button controls:
A: The trim air valve.
B:
The hot air manifold.
C: The engine bleed valves.
D: The pack flow control valves.
Q 41: Both
pressurization auto controllers are set by the active flight plan loaded in the
MCDU. The QNH entry on the MCDU Approach Performance page refines the depressurization
schedule for the landing.
A:
True.
B: False.
Q 42: Aft
cargo indications may be found on which ECAM page(s)?
A: Only the CRUISE page.
B: Only the BLEED page.
C: Only the CAB PRESS page.
D:
The CRUISE page and the COND page.
Q 43:
Avionics ventilation system indications may be found on which ECAM page(s)?
A:
Only the BLEED page.
B:
Only the CAB PRESS page.
C: The in-flight ECAM cruise page.
D: The in-flight ECAM cruise page and the
CAB PRESS pages.
Q 44: When
APU is supplying the packs, the pack controller sends a demand signal to
increase airflow when a zone temperature cannot be satisfied. This signal is
sent to the:
A: Pack Ram Air Inlet Flap.
B:
APU ECB.
C: Pack Outflow Control Valve.
D: Engine interface units EIU’s'
Q 45: In
case of zone controller primary and secondary channel failure, what
temperatures are maintained by Packs 1 and 2?
A: 15 deg.C
for both.
B: 25 deg.C both.
C: 20
deg.C for Pack one and 10 deg.C for Pack two
D: 24 deg.C for Pack one and 15 deg.c for
Pack two.
Q 46: The PACK
FLOW controller is set to NORM and yet the ECAM display shows PACK FLOW to be
high. How is this possible?
A: As the engines are not running the PACK
FLOW indicators are at the position they were selected to at the last shut
down.
B: As no bleed air is flowing the PACK FLOW
valves are spring loaded to the fully open position.
C: HI
flow is automatically selected regardless of PACK FLOW selector position
because air is only being supplied by the APU.
D: With cold outside air conditions the PACK
FLOW is automatically increased to help increase the cabin temperature.
Q 47: When
would you select PACK FLOW to HI?
A:
Smoke removal or hot/humid conditions.
B: When passengers are complaining it is too
cold.
C: Above FL 350.
D: Above FL 250
Q 48: Which
of the following statements is correct concerning conditioned air?
A: Conditioned air and trim air are mixed
then distributed to each zone.
B: Recirculated air, conditioned air and hot
trim air are mixed then distributed to each zone.
C: Hot trim air is added to the mixing unit
before distribution to each zone.
D:
Recirculating fans draw cabin air to a mixing unit where conditioned air is
added.
Q 49: How
many temperature selectors are there on the A320? How many temperature zones
are there?
A: Three rotary temperature selectors and
one zone.
B:
Three rotary temperature selectors, one each for the cockpit zone, the forward
cabin zone, and the aft cabin zone.
C: Two rotary temperature selectors, one for
the cockpit and first class zone and one for the aft cabin zone.
D: Four rotary temperature selectors and
four zones.
Q 50: The
temperature selectors are located in:
A:
The cockpit
B: The cabin
C: Both
D: Only on the CIDS panel
Q 51: During
normal flight, the avionics ventilation system controls the temperature of the
cooling air by:
A: Adding air conditioned air to the flow.
B: Extracting air over board.
C: Adding an avionics bay air.
D:
Passing air through a skin heat exchanger.
Q 52:
Placing the avionics ventilation system in the smoke configuration:
A: Opens the #1 GLC.
B: Opens the cargo under-floor valve.
C: Opens the #2 GLC.
D:
De-energizes the blower fan, extract fan runs, and opens the air conditioning
extract valves.
Q 53: How
can you change controllers during flight?
A: Cycle the LDG ELEV AUTO knob out of the
AUTO position then back to AUTO.
B:
Cycle the CABIN PRESS MODE SEL pushbutton to the MAN position then back to
AUTO.
C: Cycle the cabin pressurization MAN V/S
CTL switch
Q 54: Hot
air “FAULT” light illuminates on the air conditioning panel.
A:The hot air press reg. valve opens and the
trim air valves close.
B: The hot air press reg. valve closes and
the trim air valves open.
C:
The hot air press reg. valve closes and the trim air valves close.
Q 55: How
many trim air valves are there?
A: One trim air valve.
B:
Three: one each for the cockpit zone, the forward cabin zone, and the aft cabin
zone.
C: Two: one for the cockpit and first class
zone, and one for the cabin zone.
D: Four: one each for the cockpit zone, the
first class zone, and two for the aft zone.
Q 56: What
position do the pack valves go to in the event of a loss of the bleed system
pressure?
A: They remain in their last position.
B: Full open.
C: Mid position.
D:
Closed.
Q 57: The
RAM AIR switch should be used:
A: At any time.
B:
Only when differential pressure is less than 1 psi.
C: When differential pressure is more than 1
psi.
D: Only after outflow valve is fully opened.
Q 58: What
is the function of the Pack Flow selector?
A: Allows the pilot to increase pack flow
but will not allow a manual decrease in flow if
needed by the aircraft demands.
B: Always allows high flow regardless of
switch position when the APU is used for air conditioning.
C:
Both are correct.
Q 59: Which
configuration is the avionics ventilation system in while airborne with no
abnormals present?
A: Open.
B: Smoke.
C: Fire.
D:
Closed.
Q 60: What
is the maximum altitude associated with the pressurization system?
A:
39,100 feet
B: 39,500 feet
C: 41,000 feet
D: 41,100 feet
Q 61: Trim
air valves are controlled by:
A:
The zone controller.
B: Anti-ice valve.
C: Hot air pressure regulating valve.
D: The pack controller
Q 62: Which
statement is TRUE concerning the cargo compartment ventilation?
A: Both cargo compartments are pressurized
and heated using both cabin air and hot trim air.
B: Recirculated air, conditioned air, and
hot trim air are mixed then distributed to each cargo compartment.
C:
Only the aft cargo compartment is heated and ventilated. Cabin ambient air is mixed with hot trim air
and drawn through isolation valves by extraction fans.
Q 63: The
APU BLEED FAULT indicates that the main APU controller is in fault.
A: True.
B: False.
(Note: It could mean - An APU leak is detected,
Malfunction or overheat.
Q 64: Aft
cargo ventilation is controlled by:
A: The aft cargo rotary selector knob.
B:
The cargo ventilation controller.
C: The zone controller and the SDCU.
D: The cargo ventilation controller and the
aft cargo rotary selector knob.
Q 65: The
vent fan runs any time there is a normal ships power and the isolation valves
are open.
A:
True.
B: False.
Q 66: The
cabin zone temperature sensors are ventilated by the air extracted by the
lavatory and galley fans.
A:
True.
B: False.
Q 67:
Placing the BLOWER push button to override:
A: Insures the blower fan will continue to
run.
B: Places the avionics ventilation system in
the open configuration
C:
De-energizes the blower fan.
D: Places the avionics ventilation system in
the closed configuration.
Q 68:
Pressurization indications are found on which ECAM page(s)?
A: BLEED page.
B: Only on the CAB PRESS page.
C:
The in-flight ECAM cruise page and the CAB PRESS page.
D: On the CAB PRESS & BLEED pages.
Q 69: How
many outflow valves are there?
A: One valve with one door
B:
One valve with two doors.
C: Two valves with only one door visible.
D: Two valves (one main + one back-up) with
only two doors visible.
Q 70: At
what cabin altitude do you get an ECAM warning?
A: 8,800 feet.
B: 9,000 feet
C:
9,550 feet
D: 14,000 feet.
Q 71: When
the pack flow control knob is positioned to HI, air flow is:
A: 80% of normal rate.
B: 100% of normal rate.
C:
120% of normal rate.
D: 150% of normal rate.
Q 72: If you
select a position other than the AUTO detent on the LDG ELEV AUTO selector, how
can you see the actual landing elevation value?
A: On the ECAM CRUISE
B: On the PRESS page
C: On
the ECAM CRUISE or the PRESS page.
Q 73: What will cause the ENG
BLEED fault light to come on?
A: Overpressure (downstream of bleed valve)
B: Bleed overheat
C: Wing or engine leak on associated side.
Q 74: What
does the CARGO HEAT HOT AIR FAULT light indicate?
A: A duct overheat is detected.
B: The Aft Cargo Pressure Regulating valve
closes.
C: The system will reset if the ISOL VALVE
switch is ON.
D:
All of above.
Q 75: During
Ground function operation, the outflow valve is:
A:
Fully open.
B: Fully closed.
C: Positioned according to FMGS demands.
Q 76: The
outflow valve is powered by:
A: One of two electric motors.
B:
One of three electric motors.
C: Three mechanically linked electric
motors.
Q 77: The
purpose of the safety valve is to avoid:
A: Excessive positive pressure differential.
B: Excessive negative differential.
C:
Both are correct.
Q 78: When
landing elevation is set to AUTO, the landing elevation is sent to the
controller from:
A: FMGS.
B: FCU.
C: ADIRS.
D: Captain baro ref.
Q 79: The
mixing unit is connected to:
A:
Packs, cabin air, emergency ram air inlet and Lp ground connector
B: Packs, emergency ram air inlet and Lp
ground connector
C: Packs and cabin air
D: Pack 1 and pack 2 only.
Q 80: Once
set to “ON” the air conditioning packs operate:
A:
Automatically and independently of each other
B: Normally, but the output of one affects
the other
C: Automatically, pack one as a master, pack
two as a slave
D: Automatically, pack two as a master, pack
one as a slave.
Q 81:
Emergency ram air inlet. When set to “ON” the ram air valve will open and
supply airflow:
A: In any case
B:
Diff. press < 1 psi, and ditching not selected
C: Provided ditching is not selected
D: Provided ditching is selected.
Q 82: Cond.
Zone regulator fault (primary channel failed):
A:
Cabin zone is at fixed temperature
B: Packs are at fixed temperature
C: Secondary channel operates as back up and
operation is as normal
D: The packs deliver a fixed temperature. 20
deg.C for pack one and 10 deg.C for pack
two
Q 83: Temperature control is
automatic and is regulated by:
A: Zone controllers
B: Pack 1 and 2
controllers
C: Zone controllers, pack 1 and 2 controllers
D: The pack flow
control valves only.
Q 84: If a pack controller
fails (primary and secondary channel failure), the pack outlet air temperature
is controlled by:
A: Ram Air Valve
B: Hot air pressure
regulating valve
C: Anti-ice valve
D: Trim air valve.
Q 85: The
zone controller optimizes temperature by action on:
A: Pack anti-ice valve
B:
Trim air valve
C: Pack flow control valve
D: Hot air pressure regulating valve
Q 86: When
using APU bleed to supply the packs, with the pack flow selector at LO, the
pack airflow is:
A: 80% of normal
B: Normal
C:
120% of normal
D: 110% of normal
(note: When APU bleed is used to supply the
packs – the flow is high or 120% regardless of selection)
Q 87: The
pack flow control valve closed automatically in case of:
A: Pack overheat, engine starting, or
operation of the fire or ditching push button
B: Bleed valve failure, pack outlet pressure
increase
C: Trim air valve failure
D:
All of the above.
Q 88: In
case of trim air system fault (zone controller primary channel failure), the
secondary channel of the zone controller regulated the zone temperature at:
A: 14 deg.C
B: 24
deg.C
C: 15 deg.C
D: 10 deg.C
Q 89: In
case of total zone controller failure:
A: Hot air and trim air valves open and
packs deliver air at a fixed temperature (15 deg.C pack 1 and 10 deg.pack2)
B: Hot air and trim air valves close and
packs deliver air at a fixed temperature (15 deg.C pack 1 and 10 deg.pack2)
C:
Hot air and trim air valves close and packs deliver air at a fixed temperature
(20 deg.C pack 1 and 10 deg.pack2)
D: Hot air and trim air valves open and
packs deliver air at a fixed temperature (20 deg.C pack 1 and 10 deg.pack2)
Q 90: During
landing run, Ram Air Inlet flaps open when speed is less than:
A: 77 kts (after 30 seconds delay
B: 70 kts (after 1 minute delay)
C: 70
kts (after 20 seconds delay)
D: 85 kts (after 20 seconds delay)
Q 91: The
ditching switch when selected sends a closure signal to:
A: Outflow valve
B:Ram air inlet and ventilation extract
valves
C: The pack flow control valves
D:
All of the above
Q 92: In
flight with pressure controller 1 in use, if it fails:
A: You have to use the manual control
B:
Transfers automatically to controller 2
C: You have to select manually controller 2
D: You have to set the landing elevation.
Q 93: In
normal operation, pressurization is:
A:
Fully automatic
B: Manually controlled
C: Automatic, but landing elevation must be
manually set
D: Remaining automatic only with CPC 1 is in
use.
Q 94: During
ground function operation, the outflow valve is:
A:
Fully open
B: Fully closed
C: Positioned accordingly to FMGS demands
D: Operating in abort mode
Q 95: To see
the operation of the outflow valve, it is necessary to call ECAM:
A: Cond page
B: Bleed page
C:
Press page
D: Vent page
Q 96: Two
identical, independent, automatic digital pressurization controllers are used
for system control:
A: One controller active, one in standby
B: Both
controllers monitored by FMGC
C: No
controller for climb phase and No.2 controller in cruise and descent
D: No.1
controller for climb and No.2 for descent
Q 97: Which
controller generates excess cabin altitude and pressure signals for ECAM
indication in manual mode:
A: Both
B:
No.1
C: No2
D: Neither
Q 98: The
safety valves are operated:
A: Electrically
B: Hydraulically
C:
Pneumatically
D: By the FMGC
Q 99: The
purpose of the safety valves is to avoid:
A: Excessive positive differential pressure
B: Excessive negative differential pressure
C:
All of the above
Q 100: When
mode selector is selected to manual, the outflow valve is controlled by signals
sent via controller 1 or 2
A: True
B:
False
Q 101: On
ECAM Cab. press page, the outflow valve indicator changes to amber if:
A: It is fully closed
B: It is fully open on the ground
C: It
is fully open in flight
D: It is not fully open on the ground
Q 102: On
ECAM Cab. press page, the safety valve indication changes to amber if:
A: Both safety valves are fully open
B: Both safety valves do not open
C: Both safety valves are fully closed
D:
One safety valve is open.
Q 103: On
ECAM Cab. press page, the cabin altitude indication changes to red when cabin
altitude is:
A: > 14,000 ft
B: > 12,500 ft
C: > 10,000 ft
D:
>9,550 ft
Q 104:
Following a system 1 fault:
A: Master caution is activated and ECAM
actions must be taken by the crew
B: The crew manually operates the system
C: System 2 must be selected by the crew
D:
System 2 takes over automatically without any crew action
Q 105: The
pressure safety valve opens at:
A:
8.06 psi
B:
8.6 psi
C: 9.0 psi
D: 7.0 psi
Q 106: After
the engine start, the Pack Flow Control Valves automatically open, however on
the ground, reopening of the valves is delayed for _____ after the first engine
start.
A: 30
seconds
B: 45 seconds
C: 50 seconds
D: 60 seconds
Q 107: The
Ram Air Inlet Flaps remain open during takeoff and landing to allow extra
airflow during high power situations.
A: True
B:
False
Q 108: The
temperature of the air that exits the compressor section is displayed above the
Pack Flow. It normally displays green, but displays amber for temperatures
over:
A: 180 deg.C
B: 200 deg.C
C:
230 deg.C
D: 250 deg.C
Q 109: The
trim air valves are _____ controlled by the zone controller
A:
Electrically
B: Pneumatically
C: Hydraulically
D: None of the above
Q 110: The
avionics ventilation system is not capable of using external air to provide
cooling airflow
A: True
B:
False
Q 111:
During flight below _____, the Ram Air Valve can provide an emergency source of
conditioned air during non-pressurized flight.
A: 5,000 feet
B: 8,000 feet
C:
10,000 feet
D: 12,500 feet
