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Exam (elaborations)
B747 / (B747-400F / B1F Engines) Aircraft N409MC – Over 400 Exam Sets Questions With Reviewed Correct Detailed Answers New Update!!
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--90January 20252024/2025A+Available in bundle
- B747 / (B747-400F / B1F Engines) 
Aircraft N409MC – Over 400 Exam 
Sets Questions With Reviewed 
Correct Detailed Answers 
New Update!! 
1. Describe the general function of pressure regulating valve (PRV). - ANSWER 
Prevents damage to ducting and equipment downstream. The PRV limits 
bleed air pressure. // Ref: FCOM VOL 2 2.40.2 and .1 
2. How are the engine bleed air valves actuated and when do they open for 
forward flow? - ANSWER 
The bleed air valves are pressure actuated. ...
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$21.84 More Info
EWLindy
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Exam (elaborations)
B-747 >> /Auto Flight & Flight Instruments / Engines / Navigation /- Fire Protection and Detection / Fuel system Combined Exam Set Questions With Reviewed Correct Detailed Answers New Update!!
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--49January 20252024/2025A+Available in bundle
- B-747 >> /Auto Flight & Flight Instruments 
/ Engines / Navigation /- Fire Protection 
and Detection / Fuel system 
Combined Exam Set Questions With 
Reviewed Correct Detailed Answers 
New Update!! 
1. When in the descent mode, will the cabin altitude controllers program a 
positive or a negative pressurization at touchdown - ANSWER 
Small 
positive pressurization at touchdown 
2. What action would allow manual operation of the pressurization system - 
ANSWER 
Turn bot...
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$18.49 More Info
EWLindy
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Exam (elaborations)
B-747 Exam Sets Questions With Reviewed Correct Detailed Answers New Update!!
-
--36January 20252024/2025A+Available in bundle
- B-747 Exam 
Sets Questions With Reviewed 
Correct Detailed Answers 
New Update!! 
1. What are the main AC electrical power sources - ANSWER 
Two auxiliary power sources (APU generators) 
. Two external power sources 
4. B-747 Oral Question Bank Review - Hydraulics - ANSWER 
4 IDGs 
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 Hig...
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$13.49 More Info
EWLindy
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Exam (elaborations)
B747 Exam Sets Questions With Reviewed Correct Detailed Answers New Update!!
-
--90January 20252024/2025A+Available in bundle
- B747 Exam 
Sets Questions With Reviewed 
Correct Detailed Answers 
New Update!! 
1. During landing gear extension, state what happens if any gear position 
disagrees with lever position after normal transit time? - ANSWER 
EICAS changes to the expanded non-normal format 
The 
Affected gear displayed as in transit, or UP if the gear never unlocked from the up 
position 
2. How does the gear extend through the alternate gear extension system? - 
ANSWER 
By pushing the Alterna...
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$21.84 More Info
EWLindy
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Exam (elaborations)
B-747 Oral Question Bank & Review (PC) | 2024-2025 LATEST UPDATE COMPREHENSIVE QUESTIONS (Frequently Most Tested) AND VERIFEID ANSWERS (100% accurate)|GET IT A+
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0.0(1)0.0-14November 20242024/2025A+
- B-747 Oral Question Bank & Review (PC) | LATEST UPDATE COMPREHENSIVE QUESTIONS (Frequently Most Tested) AND VERIFEID ANSWERS (100% accurate)|GET IT A+
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$30.49 More Info
Testflix