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!

Q15393 What happens when the EXTRACT is Selected to OVERRIDE?

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

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

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

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

Correct!

Incorrect!

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 1 - 6.

All phases.

Phases 2 - 4.

Ground only.

Correct!

Incorrect!

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

Fire, Ground

Excessive EGT, Ground

Fire, Air

Excessive N, Ground

Correct!

Incorrect!

Q15392 What happens when the BLOWER is Selected to OVERRIDE?

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

Open Circuit. A/C Air. Blower fan stops.

Open Circuit. A/C Air. Blower fan keeps running.

Closed Circuit. A/C Air. Blower fan keeps running.

Correct!

Incorrect!

Q15388 In the "Flight" Mode at Low Skin Air Temperatures which Config. is in operation?

Smoke

Closed

Intermediate

Open

Correct!

Incorrect!

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

TOGA / Flex Power

10 seconds after rotation

Manual Intervention by pilots.

Rotation

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?

Smoke

Intermediate

Open

Closed

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!

Q15402 What happens if the APU START Button is Pressed Immediately after the MASTER Button is Pressed?

Starter Energised, After 1.5 seconds ignition begins, At 60% N starter is de-engeriged, Ingnition off 2 seconds after 95% N.

Starter Energised, After 1.5 seconds ignition begins, At 65% N starter is de-engeriged, Ingnition off 2 seconds after 99% N.

Starter Energised and Ignition begins immediately. At 65% N starter is de-engeriged and ignitors switch off.

Starter Energised and Ignition begins immediately. At 60% N starter is de-engeriged and ignitors switch off.

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 5 hours only.

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

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 2 hours only.

Correct!

Incorrect!

Q15391 When might you have to put Both switches to OVERRIDE? (BLOWER and EXTRACT)

If avionics are overheating.

Smoke config, when instructed by the QRH.

If no fans are operating.

Smoke Configuration

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

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

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

Correct!

Incorrect!

Q15397 What happens if Excessive APU EGT is Sensed?

Fire.

It shutdowns automatically with no pilot notification needed.

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

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

Correct!

Incorrect!

Quiz: A320: APU & Avionics Ventilation