TEST A320 SERIES

Conditioned air is distributed to: Cockpit, fwd and aft cabins. Cockpit, cargo bays and cabin. Cockpit, avionics bay and cabin. Cockpit, cabin and holds 1 and 2 only.

Hot air fault light illuminates on the air conditioning panel. The hot air press. reg. valve closes and the trim air valves close. The hot air press. reg. valve opens and the trim air valves close. The hot air press. reg. valve closes and the trim air valves open. The hot air press. reg. valve opens and the trim air valves open.

Does the trim air provide the warm air or the cold air to the air conditioning system?. Warm air. Cold air.

In case of zone controller primary and secondary channel failure, what temperatures are maintained by pack one and pack two?. 20 deg.C for pack one and 10 deg.C for pack two. 24 deg.C for pack one and 15 deg.C for pack two. 15 deg.C both. 25 deg.C both.

In normal flight in closed circuit configuration, the avionics ventilation system controls the temperature of the cooling air by: Passing air through a skin heat exchanger. Adding air conditioned air to the flow. Extracting air overboard. Adding avionics bay air.

To enable Ram air to the mixter unit, The Ram air switch should be used: Only when differential pressure is less than 1 psi. When pressure is greater than 1 psi diff. Only after outflow valve is fully opened.

Pack controller, primary channel failure. The secondary computer operates as a backup mode and regulation is not optimized. The secondary computer takes over (all functions as normal). Pack is lost. Pack outlet temperature is controlled at 15 deg.C.

Pack controller, secondary channel failure. No effect on pack regulation backup mode is lost. Pack is lost. No effect (all modes still available). Pack outlet temperature is controlled at 15 deg.C.

Pack controller, primary and secondary channel failure. Pack outlet temperature is controlled to between 5 and 30 deg.C by the anti-ice valve. The pack is closed. The packs deliver a fixed temperature of 20 deg.C.

Hot air press. reg. valve failed open: No effect. Optimized regulation is lost. The temperature stays at the value selected. Cabin temperature will be controlled at the upper limit 30 deg.C.

Bleed air supplied from the APU (APU bleed valve open), the pack flow is automatically selected: High. Normal. Low. Econ. Flow.

Trim air valve, each one optimizes the temperature by: Adding hot air. Adding fresh air. Modulating of pack flow. Adding recirculated air.

Hot air pressure regulating valve: Regulates the pressure of hot air tapped upstream of the packs. Is spring loaded open in the absence of air. Opens automatically in case of duct overheat. Opens automatically if the cabin trim air valve fails.

Pack flow control valve: Is pneumatically operated and electrically controlled. Electrically operated and pneumatically controlled. Opens automatically during engine starting. Is spring loaded to open.

Engine flow demand, when the heating or cooling demand in one zone cannot be satisfied: The minimum idle is increased automatically. The minimum idle must be increased manually. In any case, flight idle is sufficient. The APU must be used to supply additional air.

What is the Norm.Max. cabin altitude?. 8,000 ft. 9,550 ft +/- 350 ft. 14,000 ft. 800 ft.

What is the Max. negative Diff. pressure for the cabin?. 0 psi. 1 psi. 2 psi. 8.5 psi.

It is permissible to use simultaneously packs and Lp ground unit during long stops in a hot airfield. No. Yes. Yes, if external temperature is greater than 50 deg.C. Yes, provided the airflow supplied by the ground cart is less than 1.2 kg/s.

What are the different sources of air for air conditioning and pressurization?. Engine bleed air and recirculated air, or if selected, APU bleed air and recirculated air. Engine bleed air and recirculated air (only on ground). Engine bleed air and recirculated air. Engine bleed air only.

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?. Open. Closed. Closed or open regarding of the APU bleed valve. Closed or open.

What happens to the pack flow control valves during engine start?. They automatically close. They must be selected off. They must be selected off on cold days only. They must be selected off on hot days only.

The temperature of each aircraft zone is optimized by means of: A TRIM AIR valve. A HOT AIR valve. A ZONE control valve. A PACK FLOW VALVE.

When does normal pressurization occur?. Pressurization occurs during the takeoff roll. After second engine start. Pressurization occurs during taxi. After rotation.

When does normal depressurization occur?. It is complete 1 minute after touchdown. 100 feet AGL above touchdown. After flap retraction. On landing touchdown.

Under what conditions should the pack flow controller be set to LO?. With a low passenger load to reduce bleed air demand and improve fuel efficiency. With a low passenger load to increase cabin temperature. With a high passenger load to reduce cabin temperature. In cold conditions to achieve a higher cabin temperature range.

Which statement is correct regarding illumination of the amber AFT ISOL VALVE fault light?. Means that either the inlet or outlet isolation valve(s) disagrees with the switch position. Automatically closes the aft cargo compartment isolation valves. Indicates that the extract fan has stopped. All of the above.

Pressurization controllers receive inputs from: LGCIU, ADIRU, FMGS, and EIU. LGCIU's and the MCDU. LGCIU's and pitot static sources. MCDU and LGCIU's.

What computers control the cabin and cockpit conditioned air?. One zone controller that passes information and instructions to two pack controllers for three zones. Two zone controllers that pass information and requests to two pack controllers. Two pack controllers that pass information and requests to three zone controllers. Three zone controllers that pass information and instructions to two pack controllers for three zones.

When would you select RAM AIR ON?. Dual pack failure or smoke removal. If additional cooling is required on the ground. When pack temperatures are too high. When there is smoke in the cabin.

What happens when a temperature selector rotary knob is adjusted?. A signal is sent to the zone controller requesting a different temperature. Nothing as there is no relationship between a temperature selector knob and the trim air valve. The associated trim air valve immediately moves to a different position.

With APU BLEED ON and engine BLEED switches ON with engines running, what is the position of the engine bleed valves?. Closed. Open. Depends on the crossbleed selector.

Pressurization is normally automatic. Can you interfere with it?. Yes, CABIN PRESS MODE SEL to OVERRIDE and MAN V/S CTL toggle switch. Yes, manually set landing elevation using the LND ELEV AUTO selector. Both are correct.

Under what conditions should the pack flow controller be set to HI?. With a high passenger load in hot conditions in order to help reduce the cabin temperature. In cold conditions to achieve a higher cabin temperature range. With a low passenger load to increase cabin air flow.

What is the function of the ram air valve?. Emergency smoke removal and ventilation in the event of dual pack failure. Ventilation while on the ground. Avionics cooling. Cargo ventilation & avionics cooling.

Placing the EXTRACT push button to override: Insures the extract fan will continue to be energized. De-energizes the extract fan. Places the avionics ventilation system in the closed configuration. Places the avionics ventilation system in the open configuration.

The Ram Air valve: Must be manually activated. Should be opened for increased ventilation while on the ground. Will open automatically after engine start. Should be opened for increased ventilation while in flight.

What limitation is associated with the ram air valve?. Do not open if cabin pressure is greater than 1 psi. Only open while on the ground. Will not open if the DITCHING switch is off. Operation is automatic.

With the pressurization system in the automatic mode, which valves are closed when the ditching push button is selected on?. All valves below the water line. APU inlet. The engine bleed valves. Only the avionics cooling valves.

What is the maximum negative differential pressure for the cabin?. 0 psi. 1 psi. 2 psi. 3 psi.

The HOT AIR valve push button controls: The hot air manifold. The trim air valve. The engine bleed valves. The pack flow control valves.

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. True. False.

Aft cargo indications may be found on which ECAM page(s)?. The ECAM cruise page and the COND page. Only the ECAM cruise page. Only the BLEED page. Only the CAB PRESS page.

Avionics ventilation system indications may be found on which ECAM page(s)?. Only the CAB PRESS page. Only the BLEED page. The in-flight ECAM cruise page. The in-flight ECAM cruise page and the CAB PRESS pages.

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: APU ECB. Pack Ram Air Inlet Flap. Pack Outflow Control Valve. Engine interface units EIU’s.

In case of zone controller primary and secondary channel failure, what temperatures are maintained by Packs 1 and 2?. 20 deg.C for Pack one and 10 deg.C for Pack two. 24 deg.C for Pack one and 15 deg.c for Pack two. 15 deg.C for both. 25 deg.C both.

The PACK FLOW controller is set to NORM and yet the ECAM display shows PACK FLOW to be high. How is this possible?. HI flow is automatically selected regardless of PACK FLOW selector position because air is only being supplied by the APU. As the engines are not running the PACK FLOW indicators are at the position they were selected to at the last shut down. As no bleed air is flowing the PACK FLOW valves are spring loaded to the fully open position. With cold outside air conditions the PACK FLOW is automatically increased to help increase the cabin temperature.

When would you select PACK FLOW to HI?. Smoke removal or hot/humid conditions. When passengers are complaining it is too cold. Above FL 350. Above FL 250.

Which of the following statements is correct concerning conditioned air?. Recirculating fans draw cabin air to a mixing unit where conditioned air is added. Conditioned air and trim air are mixed then distributed to each zone. Recirculated air, conditioned air and hot trim air are mixed then distributed to each zone.

How many temperature selectors are there on the A320? How many temperature zones are there?. Three rotary temperature selectors, one each for the cockpit zone, the forward cabin zone, and the aft cabin zone. Three rotary temperature selectors and one zone. Two rotary temperature selectors, one for the cockpit and first class zone and one for the aft cabin zone. Four rotary temperature selectors and four zones.

The temperature selectors are located in: The cockpit. The cabin. Both. Only on the CIDS panel.

During normal flight, the avionics ventilation system controls the temperature of the cooling air by: Passing air through a skin heat exchanger. Adding air conditioned air to the flow. Extracting air over board. Adding an avionics bay air.

Placing the avionics ventilation system in the smoke configuration: De-energizes the blower fan, extract fan runs, and opens the air conditioning extract valves. Opens the #1 GLC. Opens the cargo under-floor valve. Opens the #2 GLC.

How can you change controllers during flight?. Cycle the CABIN PRESS MODE SEL pushbutton to the MAN position then back to AUTO. Cycle the LDG ELEV AUTO knob out of the AUTO position then back to AUTO. Cycle the cabin pressurization MAN V/S CTL switch.

Hot air "FAULT" light illuminates on the air conditioning panel. The hot air press reg. valve closes and the trim air valves close. The hot air press reg. valve closes and the trim air valves open. The hot air press reg. valve opens and the trim air valves close.

How many trim air valves are there?. Three: one each for the cockpit zone, the forward cabin zone, and the aft cabin zone. Two: one for the cockpit and first class zone, and one for the cabin zone. One trim air valve. Four: one each for the cockpit zone, the first class zone, and two for the aft zone.

What position do the pack valves go to in the event of a loss of the bleed system pressure?. Closed. They remain in their last position. Full open. Mid position.

The RAM AIR switch should be used: Only when differential pressure is less than 1 psi. At any time. When differential pressure is more than 1 psi. Only after outflow valve is fully opened.

What is the function of the Pack Flow selector?. Both are correct. Allows the pilot to increase pack flow but will not allow a manual decrease in flow if needed by the aircraft demands. Always allows high flow regardless of switch position when the APU is used for air conditioning.

Which configuration is the avionics ventilation system in while airborne with no abnormals present?. Closed. Fire. Open. Smoke.

What is the maximum altitude associated with the pressurization system?. 39,100 feet. 39,500 feet. 41,000 feet. 41,100 feet.