Vayudoot Aviation

1. The trim air valves are _____ controlled by the zone controller

Electrically

Pneumatically

None of the above

Hydraulically

2. The Ram Air Inlet Flaps remain open during takeoff and landing to allow extra airflow during high power situations.

True

False

3. Placing the EXTRACT push button to override:

Insures the extract fan will continue to be energized.

Places the avionics ventilation system in the open configuration.

De-energizes the extract fan

Places the avionics ventilation system in the closed configuration.

4. What are the different sources of air for air conditioning and pressurization?

Engine bleed air only.

Engine bleed air and recirculated air.

Engine bleed air and recirculated air, or if selected, APU bleed air and recirculated air

Engine bleed air and recirculated air (only on ground)

5. Temperature control is automatic and is regulated by:

The pack flow control valves only.

Zone controllers, pack 1 and 2 controllers

Zone controllers

Pack 1 and 2 controllers

6. Hot air “FAULT” light illuminates on the air conditioning panel.

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 close.

The hot air press reg. valve closes and the trim air valves open.

7. Placing the avionics ventilation system in the smoke configuration:

Opens the cargo under-floor valve.

Opens the #2 GLC.

Opens the #1 GLC.

De-energizes the blower fan, extract fan runs, and opens the air conditioning extract valves.

8. What happens to the pack flow control valves during engine start?

They must be selected off on hot days only.

They automatically close.

They must be selected off on cold days only

They must be selected off

9. What happens when a temperature selector rotary knob is adjusted?

A signal is sent to the zone controller requesting a different temperature.

The associated trim air valve immediately moves to a different position.

Nothing as there is no relationship between a temperature selector knob and the trim air valve.

10. Aft cargo indications may be found on which ECAM page(s)?

Only the CRUISE page.

Only the BLEED page.

Only the CAB PRESS page.

The CRUISE page and the COND page.

11. 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?

On the ECAM CRUISE

On the PRESS page

On the ECAM CRUISE or the PRESS page.

12. Engine flow demand, when the heating or cooling demand in one zone cannot be satisfied:

The APU must be used to supply additional air

In any case, flight idle is sufficient

The minimum idle is increased automatically

The minimum idle must be increased manually

13. The PACK FLOW controller is set to NORM and yet the ECAM display shows PACK FLOW to be high. How is this possible?

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.

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.

14. The Ram Air valve:

Should be opened for increased ventilation while in flight.

Must be manually activated.

Will open automatically after engine start.

15. What is the maximum altitude associated with the pressurization system?

41,100 feet

39,100 feet

39,500 feet

41,000 feet

16. Pressurization controllers receive inputs from:

LGCIU’s and the MCDU.

MCDU and LGCIU’s.

LGCIU, ADIRU, FMGS, and EIU.

LGCIU’s and pitot static sources.

17. Hot air pressure regulating valve:

Is spring loaded open in the absence of air

Opens automatically if the cabin trim air valve fails

Regulates the pressure of hot air tapped upstream of the packs

Opens automatically in case of duct overheat

18. When landing elevation is set to AUTO, the landing elevation is sent to the controller from:

FMGS.

ADIRS

FCU

Captain baro ref.

19. Pack flow control valve:

Electrically operated and pneumatically controlled

Opens automatically during engine starting

Is pneumatically operated and electrically controlled

Is spring loaded to open

20. Which statement is correct regarding illumination of the amber AFT ISOL VALVE fault light?

All of the above.

Means that either the inlet or outlet isolation valve(s) disagrees with the switch position.

Indicates that the extract fan has stopped.

Automatically closes the aft cargo compartment isolation valves.

21. Following a system 1 fault:

System 2 takes over automatically without any crew action

System 2 must be selected by the crew

The crew manually operates the system

22. Hot air press. reg. valve failed open

The temperature stays at the value selected

No effect

Cabin temperature will be controlled at the upper limit 30 deg.C

Optimized regulation is lost

23. During ground function operation, the outflow valve is:

Fully closed

Fully open

Operating in abort mode

Positioned accordingly to FMGS demands

24. Which configuration is the avionics ventilation system in while airborne with no abnormals present?

Closed.

Smoke.

Open

Fire.

25. Bleed air supplied from the APU (APU bleed valve open), the pack flow is automatically selected:

Normal

Low

High

Econ. Flow

26. The temperature selectors are located in:

The cockpit

The cabin

Both

Only on the CIDS panel

27. The zone controller optimizes temperature by action on:

Pack anti-ice valve

Hot air pressure regulating valve

Pack flow control valve

Trim air valve

28. With the pressurization system in the automatic mode, which valves are closed when the ditching push button is selected on?

The engine bleed valves.

APU inlet.

All valves below the water line.

Only the avionics cooling valves.

29. What will cause the ENG BLEED fault light to come on?

Wing or engine leak on associated side.

Overpressure (downstream of bleed valve)

Bleed overheat

30. Placing the BLOWER push button to override:

Insures the blower fan will continue to run.

Places the avionics ventilation system in the open configuration

Places the avionics ventilation system in the closed configuration.

De-energizes the blower fan.

31. 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:

200 deg.C

250 deg.C

180 deg.C

230 deg.C

32. What limitation is associated with the ram air valve?

Will not open if the DITCHING switch is off.

Only open while on the ground.

Do not open if cabin pressure is greater than 1 psi.

Operation is automatic.

33. When mode selector is selected to manual, the outflow valve is controlled by signals sent via controller 1 or 2

True

False

34. It is permissible to use simultaneously packs and Lp ground unit during long stops in a hot airfield

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

Yes

No

35. Conditioned air is distributed to:

Cockpit, cabin and holds 1 and 2 only

Cockpit, avionics bay and cabin

Cockpit, cargo bays and cabin

Cockpit, fwd and aft cabins

36. What is the function of the Pack Flow selector?

Allows the pilot to increase pack flow but will not allow a manual decrease in flow if needed by the aircraft demands.

Both are correct.

Always allows high flow regardless of switch position when the APU is used for air conditioning.

37. 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

38. Cond. Zone regulator fault (primary channel failed):

Secondary channel operates as back up and operation is as normal

The packs deliver a fixed temperature. 20 deg.C for pack one and 10 deg.C for pack two

Cabin zone is at fixed temperature

Packs are at fixed temperature

39. The RAM AIR switch should be used:

When differential pressure is more than 1 psi.

Only when differential pressure is less than 1 psi.

Only after outflow valve is fully opened

At any time.

40. How many outflow valves are there?

Two valves with only one door visible.

One valve with two doors.

Two valves (one main + one back-up) with only two doors visible.

One valve with one door

41. The HOT AIR valve push button controls:

The engine bleed valves.

The hot air manifold.

The trim air valve.

The pack flow control valves.

42. Pressurization is normally automatic. Can you interfere with it?

Yes, manually set landing elevation using the LND ELEV AUTO selector.

Both are correct.

Yes, CABIN PRESS MODE SEL to OVERRIDE and MAN V/S CTL toggle switch.

43. When does normal depressurization occur?

On landing touchdown

After flap retraction.

It is complete 1 minute after touchdown.

100 feet AGL above touchdown.

44. In case of trim air system fault (zone controller primary channel failure), the secondary channel of the zone controller regulated the zone temperature at:

24 deg.C

10 deg.C

15 deg.C

14 deg.C

45. Hot air fault light illuminates on the air conditioning panel,

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.

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 close.

46. Trim air valves are controlled by:

The pack controller

Hot air pressure regulating valve.

Anti-ice valve.

The zone controller.

47. Pack controller, secondary channel failure

Pack is lost

No effect on pack regulation backup mode is lost

No effect (all modes still available)

Pack outlet temperature is controlled at 15 deg.C'

48. If a pack controller fails (primary and secondary channel failure), the pack outlet air temperature is controlled by:

Trim air valve.

Ram Air Valve

Hot air pressure regulating valve

Anti-ice valve

49. Pack controller, primary channel failure.

The secondary computer operates as a backup mode and regulation is not optimized

Pack outlet temperature is controlled at 15 deg.C

The secondary computer takes over (all functions as normal)

Pack is lost

50. Which of the following statements is correct concerning conditioned air?

Recirculated air, conditioned air and hot trim air are mixed then distributed to each zone.

Conditioned air and trim air are mixed then distributed to each zone.

Hot trim air is added to the mixing unit before distribution to each zone.

Recirculating fans draw cabin air to a mixing unit where conditioned air is added.

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Questions for Air Conditioning/Pressurization/Ventilation A320