What is the apu Study guides, Class notes & Summaries

How many engine driven generators? Rating? CORRECT ANSWER-2 IDGs (Integrated Drive Generators) 115VAC, 400Hz, 40KVA What kind of APU? Rating? CORRECT ANSWER-Sundstrand APS 2300 115VAC, 400Hz, 40KVA What is the RAT rated at? CORRECT ANSWER-115VAC, 400Hz, 15KVA What is the Normal AC Electrical Priority? CORRECT ANSWER-- Onside (IDG) - Inside (APU) - Outside (GPU) - Cross-side (Opposite IDG) When does the RAT automatically deploy? CORRECT ANSWER-Loss of all AC power in flight (elec...

Delta FA training midterm review with complete solutions What type of reporting system would you use to report issues such as: aircraft emergency, passenger disruption, medical emergency, or security issues? SRS What type of reporting system would you use to report issues such as: catering issues, aircraft cleanliness, flight delays, or IFE issues? FACTS An event such as a passenger illness or failure to comply with FAA regulations needs to be reported in SRS by when? Upon the completion of y...

What happens if a generating (IDG) source fails? CORRECT ANSWER-Bus ties automatically connect to provide no system degradation One IDG can supply the entire electrical system? CORRECT ANSWER-TRUE What will cause the amber IDG light on the overhead panel to illuminate? CORRECT ANSWER-a. High oil temperature b. Low oil pressure (HOTLOP) How long will the aircraft's batteries last with no recharging? CORRECT ANSWER-10 minutes With both IDG's and the APU generator off-line, and the ...

Boeing 747-400 SonAir with Questions and Answers How many engines does the 747-400 have ANSWER 4 wing mounted General Electric turbofan engines How are engines numbered ANSWER From left to right. Engine 1, engine 2, engine 3 and engine 4 How many zones is the main deck divided into ANSWER 5 zones How are main deck zones identified ANSWER Zone A through E How many zones on upper deck ANSWER 1 What is the cruising altitude? ANSWER 45,000 ft APU ANSWER Auxiliary Power Unit W...

The APU is equipped with a CORRECT ANSWER-40 KVA generator The APU supplies pneumatic power for CORRECT ANSWER-Main engine Start and Air Conditioning The APU ECU (Electronic Control Unit) controls the APU during CORRECT ANSWER-All phases of operation The APU control system ensures priority is given to CORRECT ANSWER-Electric loads Presurized fuel is supplied to the APU by the CORRECT ANSWER-APU fuel pump What is the purpose of the internal bypass valve? CORRECT ANSWER-Allows the A...

FALCON 7X GENERAL EXAM QUESTIONS & ANSWERS 2024/2025 Immediately after starting the APU, it is noticed that there is no air flowing through the gaspers and BLEED synoptic shows the APU bleed valve to be closed. Is this normal? - ANSWERSYes, the APU bleed valve will not open until 2 minutes after the APU has been running. What function does the "REMOTE" soft key on the ECS synoptic serve? - ANSWERSCabin temperature control can be controlled from the cabin. What are some consideration...

What is the typical relationship between an aircraft's auxiliary power unit (APU) generator and the engine driven generator? - They are identical. Where does the APU fuel supply normally come from? - The airplane's main fuel supply. How is the APU rotated during start up? - With an electric starter. What is the function of an APU air inlet plentum? - It is to stabilize the pressure of the air before it enters the compressor. When operating at high loads, what is the speed of an APU? - Th...

Skywest E175 Sv Gouge 2024 Exam What is ATTCS - ANSWER-Automatic Takeoff Thrust Control system What is the maximum altitude the APU can be started at? - ANSWER-FL330 What is the maximum fuel capacity of the ERJ-175? - ANSWER-20,935lbs What is the maximum fuel imbalance for the ERJ-175? - ANSWER-794lbs

Erj 175 Systems 2024 Exam What will happen if the Cargo fire push button is pressed again after the high rate bottle is discharged within 60 seconds? - ANSWER-The low rate bottle will immediately discharge When a normal APU shutdown occurs, when is pneumatic and electric power removed? - ANSWER-Pneumatic immediately Electrical after 1 minute cool down

Mesa Airlines Systems testAPU GEN VOLTAGE - correct answer 40KVA APU PNEAMATIC FOR - correct answer MAIN ENGINE STARTS AIR CONDITIONIING apu ecu controls - correct answer apu during all phases apu control sys give priority to - correct answer electric loads pressurized fuel to apu by - correct answer apu fuel pump internal bypass valve for apu does - correct answer apu can run if apu pump fails apu rpm found on - correct answer eicas status page apu bleed air control by - co...