a320 cbt 2

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

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.

3:Does the trim air provide the warm air or the cold air to the air conditioning system?

• A: Cold air
• B: Warm air
• C : normal air
• D : none

4: 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

5: 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

6: 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

7: 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

8: 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'

9: 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
• D : all false

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