A320: APU & Avionics Ventilation | Quiz - Pilot George, L3 Airline Academy (CTC Aviation) Cadet Blog

While I have tried to ensure the information in this quiz is accurate, it is your own responsibility to check it against your airline / manufacturer manuals. With that said, if you spot any obvious errors then please let me know the question number and I'll aim to put it right!

Q15400 What causes the APU FLAP to Open?

Manual APU starter value pushbutton (overhead panel)

MASTER SW to ON position. ECB then automatically controls flap opening.

Engine generators being unable to fullfil aircraft electrical needs.

ECB automatically controls the command for the starter door with no pilot input.

Correct!

Incorrect!

Q15399 APU AUTO SHUTDOWN due to Fire is available during which Phases of Flight?

Phases 2 - 4.

Ground only.

All phases.

Phases 1 - 6.

Correct!

Incorrect!

Q15398 APU AUTO SHUTDOWN is Available during which Phases of Flight?

All phases.

Phases 1 - 6.

Ground only.

Phases 2 - 4.

Correct!

Incorrect!

Q15397 What happens if Excessive APU EGT is Sensed?

The amber fault light illuminates, an ECAM message is displayed and APU shutsdown automatically.

Fire.

The red fault light illuminates and an ECAM drill instructs pilots to shutdown the APU.

It shutdowns automatically with no pilot notification needed.

Correct!

Incorrect!

Q15404 What is the Maximum Altitude for APU start?

AC Buses 39,000ft. DC Bat 25,000ft. Engine 41,000ft.

AC Buses 22,500ft. DC Bat 25,000ft. Engine 39,000ft.

AC Buses 25,000ft. DC Bat 39,000ft. Engine 41,000ft.

AC Buses 25,000ft. DC Bat 22,500ft. Engine 39,000ft.

Correct!

Incorrect!

Q15396 Why would the APU Continue to Run after being Selected OFF?

To cool down (Up to 1 minutes)

A fault with the ECB. The APU CB should be pulled to reset inlet door position to closed.

It is providing bleed air or electricity to the aircraft. Another system should be selected before it can shutdown.

To cool down (Up to 2 minutes)

Correct!

Incorrect!

Q15395 What causes an Automatic EMER.SHUTDOWN of the APU? When is this facility Available?

Fire, Air

Fire, Ground

Excessive N, Ground

Excessive EGT, Ground

Correct!

Incorrect!

Q15394 What happens when the BLOWER and EXTRACT are Selected to Override? (eg, during AVIONICS SMOKE).

Inlet Open. Outlet Open. Blower Running. Extractor Running. A/C Air.

Inlet Closed. Outlet Closed. Blower Stopped. Extractor Stopped. A/C Air.

Inlet Closed. Outlet Open. Blower Stopped. Extractor Running. A/C Air.

Inlet Open. Outlet Open. Blower Running. Extractor Stopped. A/C Air.

Correct!

Incorrect!

Q15389 In the "Flight" Mode at High Skin Air Temperatures which Config. is in operation?

Closed

Smoke

Intermediate

Open

Correct!

Incorrect!

Q15386 In the "Ground" Mode at High Skin Air Temperatures, which Config is in operation?

Intermediate

Smoke

Open

Closed

Correct!

Incorrect!

Q15393 What happens when the EXTRACT is Selected to OVERRIDE?

Intermediate Circuit. A/C Air. Extractor fan stops.

Closed Circuit. A/C Air. Extractor fan continues to run.

Open Circuit. A/C Air. Extractor fan continues to run.

Closed Circuit. A/C Air. Extractor fan stops.

Correct!

Incorrect!

Q15406 What would you do if the APU SD page showed LO OIL LVL?

Check for leaks. If a leak is found, the APU can be used for 2 hours only.

Check for leaks. If none the APU can be used for upto 10 hrs

Check for leaks. If a leak is found, the APU can be used for 5 hours only.

Check for leaks. If none the APU can be used for upto 5 hrs

Correct!

Incorrect!

Q15405 What are the Altitude Limitations for the Use of APU Bleed & Packs?

Single Pack 20,000ft. Dual Packs 22,500ft

Single Pack 15,00ft. Dual Packs 25,500ft

Single Pack 20,000ft. Dual Packs 25,000ft

Single Pack 22,500ft. Dual Packs 15,000ft

Correct!

Incorrect!

Q15390 What causes the system to Transit from the GROUND mode to the FLIGHT mode?

Rotation

Manual Intervention by pilots.

TOGA / Flex Power

10 seconds after rotation

Correct!

Incorrect!

Q15403 AVAIL in the APU Switch means what?

N > 95%. The APU services can can be started.

The APU has achieved a stable N (2 secs after 95%) and is able to be started.

The APU has achieved a stable N (2 secs after 99%) and is able to supply to be started.

The APU can supply bleed air only. A period of 5 minutes must elapse before electrical power is available as shown on EWD Memo.

Correct!

Incorrect!

Quiz: A320: APU & Avionics Ventilation