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What are the three APU modules?. Power section, load compressor, accessory drive gearbox. Power section, load compressor, accessory drive.

From where can an APU emergency shut down be performed?. Fire Control Panel, External Power Control Panel. Fire Control Panel, External Power Control.

At what percentage is the APU starter disconnected?. 50%. 60 %. 70%.

What does the Fire Detection Unit (FDU) do in the engine fire detection system?. Monitors detection loops and sends signals to the FWC. Activates the FIRE P/B switches.

Which component controls and monitors the APU?. The Electronic Control Box. The Electronic Control FOX.

APU is running and APU bleed air system is in use. What happens if APU MASTER SW pushbutton is released out?. The APU shuts down after a cooling cycle has been completed. The APU shuts down immediately.

How do we check that the overspeed protection system is working on the APU?. performing a normal shutdown. performing an emergency shutdown.

On ground, in case of failure, how can you open or close the air intake flap?. The air intake flap actuator can be drive by a Manual Override Device. The air intake flap actuator can be drive by a Manual Override D.

From where can an APU emergency shut down be performed?2. Fire Control Panel, External Power Control Panel. Fire Control Panel,.

What’s happens if there is a failure in the APU cooling fan, ot the oil cooler (clog)?. Autoshutdown for “HIGH OIL TEMP”. Autoshutdown for “NO ACCEL”.

What system integrates the smoke detectors for lavatories?. Cabin Intercommunication Data System (CIDS). Cabin Intercommunication Data System.

What system integrates the smoke detectors for cargo compartment?. Cabin Intercommunication Data System (CIDS). Fire Detection Unit (FDU). Smoke Detection Function (SDF).

What happens when the FIRE P/B switch is released out?. All of the above. All of the above fron.