System ACTUAL QUESTIONS AND
CORRECT ANSWERS
Permanent Magnet Alternator - Dedicated power source - 5 total; 2 for FBW system, 1 for
each engine FADEC. - CORRECT ANSWERS✅✅What is a PMA and what do they power?
18 V - CORRECT ANSWERS✅✅Minimum battery voltage to connect battery to buses?
Battery 1 starts while Battery 2 powers other buses. - CORRECT ANSWERS✅✅Which
battery starts the APU? What does the other battery do?
Three (3) engine-driven generators (12kW, 400A), Two (2) batteries, RAT, APU. -
CORRECT ANSWERS✅✅How is the electrical system powered?
12 kW at 400 A - CORRECT ANSWERS✅✅Maximum Stabilized APU generator current
output?
Service Compartment - CORRECT ANSWERS✅✅Where are the batteries located?
R side of fuselage, aft of the wing. - CORRECT ANSWERS✅✅Where is the electrical
Ground Power Receptacle located?
28.5 V, 1,000 A recommended. - CORRECT ANSWERS✅✅Required GPU output for APU
starting?
Three (3) dedicated PMAs with redundancies on the L&R Main and L&R Essential buses. -
CORRECT ANSWERS✅✅How is the FADEC powered?
Main cabin door lift
Refueling system
fuel shutoff valves