A220 APU Exam With complete solution– Expert Verified |
Latest Version | 100 Guaranteed Success
What systems are supported by the APU? - It provides an alternate source of AC
electrical power and bleed air for main engine starting and air conditioning
Where are the APU indications displayed? - On the STATUS, AIR, ELEC, and FUEL
synoptic pages.
What happens if an APU BITE test fails? - The FAIL light on the APU panel
illuminates and an APU FAULT advisory message is displayed on the EICAS page
What does the FAIL amber light on the APU panel mean? - APU BITE test has
failed
APU Fire detection fails on the ground
Failed start
How is the APU inlet door controlled? - By the APU ECU
What is the power output of the APU generator? - 115 VAC, 400 HZ, 75kVA
At what percent RPM is the APU ready for electrical and pneumatic loading? -
95%
How many APU starts may be attempted in one hour? - 3 attempts in 1h, 2
minutes between starts.
Latest Version | 100 Guaranteed Success
What systems are supported by the APU? - It provides an alternate source of AC
electrical power and bleed air for main engine starting and air conditioning
Where are the APU indications displayed? - On the STATUS, AIR, ELEC, and FUEL
synoptic pages.
What happens if an APU BITE test fails? - The FAIL light on the APU panel
illuminates and an APU FAULT advisory message is displayed on the EICAS page
What does the FAIL amber light on the APU panel mean? - APU BITE test has
failed
APU Fire detection fails on the ground
Failed start
How is the APU inlet door controlled? - By the APU ECU
What is the power output of the APU generator? - 115 VAC, 400 HZ, 75kVA
At what percent RPM is the APU ready for electrical and pneumatic loading? -
95%
How many APU starts may be attempted in one hour? - 3 attempts in 1h, 2
minutes between starts.
