B-747 Exam
Sets Questions With Reviewed
Correct Detailed Answers
New Update!!
1. What are the main AC electrical power sources - ANSWER 4 IDGs
2. Two auxiliary power sources (APU generators)
3. Two external power sources
4. B-747 Oral Question Bank Review - Hydraulics - ANSWER
5. What does the hydraulic system SYS FAULT light indicate - ANSWER --
-Low hydraulic system pressure
-Low hydraulic reservoir quantity
-Excessive hydraulic fluid temperature
(2 Lows & a High)
6. What does a hydraulic demand pump low PRESS light indicate - ANSWER
- Demand pump selector positioned to OFF or AUX
-Demand pump operates and output pressure is low
, 7. When will the demand pumps be commanded to operate if the hydraulic
demand pump selector is in the AUTO position - ANSWER Demand
pumps operate when related engine pump output pressure is low, or when
related fuel control switch is in CUTOFF
- Demand pumps 1 & 4 also operate when flaps are in transit on the ground,
or flaps extended past 1 in flight
8. Which demand pumps are air driven, and which ones are electric motor
driven - ANSWER Systems 1 and 4 are air driven pumps
- Systems 2 and 3 are electric driven pumps
9. What does a magenta "RF" displayed next to a hydraulic quantity indicator
on the secondary EICAS mean - ANSWER The reservoir requires refill
(Only displays on ground)
10. What is the purpose of the auxiliary pump - ANSWER Used for ground
handling operations
11. When is the engine driven hydraulic pump pressurized - ANSWER The
engine is running
- The engine pump switch is ON
12. What does a hydraulic reservoir quantity indication of ).95 mean as
displayed on the secondary EICAS display - ANSWER 95% of normal
service level
(95% full)
, 13. What degraded or inoperative systems can you expect from a loss of
hydraulic system 1 - ANSWER QRH 13.15
- Center Autopilot inop
- Left outboard eleveator inop
- Inboard trailing edge flap hydraulic operation inop
- Nose and body gear hydraulic extension and retraction inop
- NOse and body gear steering inop
- System 1 alternate brake sourc inop
14. What degraded or inoperative systems can you expect from a loss of
hydraulic system 4 - ANSWER QRH 13.17
- Right outboard elevator inop
- Outboard trailing edge flap hydraulic operation inop
- Two inboard spoiler panels on each wing inop
- Wing gear hydraulic extension and retraction inop
- System 4 normal brake source inop
- Auto brake inop
15. How many engine fire extinguishers are provided - ANSWER 2 on each
wing (4 total)
16. FIRE CARGO FWD: Pressing the FWD cargo fire ARM switch causes what
actions - ANSWER QRH 8.16
1. Two packs automatically shut down
2. Arms lower cargo compartment fire extinguishers
, 3. Configures equipment cooling to override mode and turns off all airflow and
heat into lower cargo compartments
4. Closes master trim air valve
17. How many fire extinguisher bottles are provided for the forward and aft
lower cargo compartments - ANSWER 4 fire extinguisher bottles are
provided.
- Pushing the Cargo Fire Discharge switch discharges two bottles
immediately. The other two bottles discharge after a brief delay or upon
touchdown
18. How many APU fire bottles are provided - ANSWER 1
19. What action discharges the APU fire extinguisher - ANSWER Rotate -
discharges APU fire extinguisher into APU compartment
- ON the ground, the APU extinguisher automatically discharges on N408MC
- N418MC, N-PA, N475MC - N499MC
20, Can you shut down the APU from outside the airplane - ANSWER Yes
Located in the right body gear well is the APU Ground Control Fire Protection
Panel. This panel has an APU stop switch, and APU Extinguisher Discharge Switch.
Is there smoke detection provided for the Crew Rest areas - ANSWER Yes
Smoke detectors are installed in the crew rest areas, and an aural warning sounds
in the crew rest compartment when smoke is detected in that compartment
Sets Questions With Reviewed
Correct Detailed Answers
New Update!!
1. What are the main AC electrical power sources - ANSWER 4 IDGs
2. Two auxiliary power sources (APU generators)
3. Two external power sources
4. B-747 Oral Question Bank Review - Hydraulics - ANSWER
5. What does the hydraulic system SYS FAULT light indicate - ANSWER --
-Low hydraulic system pressure
-Low hydraulic reservoir quantity
-Excessive hydraulic fluid temperature
(2 Lows & a High)
6. What does a hydraulic demand pump low PRESS light indicate - ANSWER
- Demand pump selector positioned to OFF or AUX
-Demand pump operates and output pressure is low
, 7. When will the demand pumps be commanded to operate if the hydraulic
demand pump selector is in the AUTO position - ANSWER Demand
pumps operate when related engine pump output pressure is low, or when
related fuel control switch is in CUTOFF
- Demand pumps 1 & 4 also operate when flaps are in transit on the ground,
or flaps extended past 1 in flight
8. Which demand pumps are air driven, and which ones are electric motor
driven - ANSWER Systems 1 and 4 are air driven pumps
- Systems 2 and 3 are electric driven pumps
9. What does a magenta "RF" displayed next to a hydraulic quantity indicator
on the secondary EICAS mean - ANSWER The reservoir requires refill
(Only displays on ground)
10. What is the purpose of the auxiliary pump - ANSWER Used for ground
handling operations
11. When is the engine driven hydraulic pump pressurized - ANSWER The
engine is running
- The engine pump switch is ON
12. What does a hydraulic reservoir quantity indication of ).95 mean as
displayed on the secondary EICAS display - ANSWER 95% of normal
service level
(95% full)
, 13. What degraded or inoperative systems can you expect from a loss of
hydraulic system 1 - ANSWER QRH 13.15
- Center Autopilot inop
- Left outboard eleveator inop
- Inboard trailing edge flap hydraulic operation inop
- Nose and body gear hydraulic extension and retraction inop
- NOse and body gear steering inop
- System 1 alternate brake sourc inop
14. What degraded or inoperative systems can you expect from a loss of
hydraulic system 4 - ANSWER QRH 13.17
- Right outboard elevator inop
- Outboard trailing edge flap hydraulic operation inop
- Two inboard spoiler panels on each wing inop
- Wing gear hydraulic extension and retraction inop
- System 4 normal brake source inop
- Auto brake inop
15. How many engine fire extinguishers are provided - ANSWER 2 on each
wing (4 total)
16. FIRE CARGO FWD: Pressing the FWD cargo fire ARM switch causes what
actions - ANSWER QRH 8.16
1. Two packs automatically shut down
2. Arms lower cargo compartment fire extinguishers
, 3. Configures equipment cooling to override mode and turns off all airflow and
heat into lower cargo compartments
4. Closes master trim air valve
17. How many fire extinguisher bottles are provided for the forward and aft
lower cargo compartments - ANSWER 4 fire extinguisher bottles are
provided.
- Pushing the Cargo Fire Discharge switch discharges two bottles
immediately. The other two bottles discharge after a brief delay or upon
touchdown
18. How many APU fire bottles are provided - ANSWER 1
19. What action discharges the APU fire extinguisher - ANSWER Rotate -
discharges APU fire extinguisher into APU compartment
- ON the ground, the APU extinguisher automatically discharges on N408MC
- N418MC, N-PA, N475MC - N499MC
20, Can you shut down the APU from outside the airplane - ANSWER Yes
Located in the right body gear well is the APU Ground Control Fire Protection
Panel. This panel has an APU stop switch, and APU Extinguisher Discharge Switch.
Is there smoke detection provided for the Crew Rest areas - ANSWER Yes
Smoke detectors are installed in the crew rest areas, and an aural warning sounds
in the crew rest compartment when smoke is detected in that compartment
