SYSTEMS - Engine Bleed Air 747 Exam Questions with Correct Answers
8 views 0 purchase
Course
SYSTEMS - Engine Bleed Air 747
Institution
SYSTEMS - Engine Bleed Air 747
Under what conditions would High Pressure (HP) air be used? (FCOM 2; 2.40.1) Correct Answer 1. Descent
2. Other low power setting operations
Under what conditions would intermediate pressure (IP) air be used? (FCOM 2; 2.40.1) Correct Answer High power setting operations
The engine bleed air...
SYSTEMS - Engine Bleed Air 747 Exam
Questions with Correct Answers
Under what conditions would High Pressure (HP) air be used? (FCOM 2; 2.40.1)
Correct Answer 1. Descent
2. Other low power setting operations
Under what conditions would intermediate pressure (IP) air be used? (FCOM 2; 2.40.1)
Correct Answer High power setting operations
The engine bleed air switches control which valves by system logic, when bleed air
pressure is available? (FCOM 2; 2.40.1; 2.10.25) Correct Answer 1. Engine bleed air
valve
2. PRV
3. HP bleed valve
Describe the general function of pressure regulating valve (PRV) (FCOM 2; 2.40.1;
2.40.2) Correct Answer Prevents damage to ducting and equipment downstream, the
PRV limits bleed air pressure
How are the engine bleed air valves actuated, and when do they open for forward flow?
(FCOM 2; 2.40.1) Correct Answer 1. The bleed air valves are pressure actuated
2. They remain closed until engine bleed air pressure causes forward flow
With the HP valve failed open and the respective bleed air switch OFF, will nacelle anti-
ice be available? (FCOM 2; 2.40.2) Correct Answer No
An engine bleed air system (SYS) FAULT light indicates what? (FCOM 2; 2.10.25)
Correct Answer 1. Bleed air overheat
2. Bleed air overpressure
3. HP Bleed valve open when commanded closed
4. PRV open when commanded closed
What does a bleed duct isolation (ISLN) VALVE light indicate (amber)? (FCOM 2;
2.10.24) Correct Answer Isolation valve position disagrees with switch position
What prevents reverse air flow into the engine compressor sections during engine start?
(FCOM 2; 2.40.2) Correct Answer The PRV is positively closed
What happens if the engine start valve fails to close? (FCOM 2; 2.40.2) Correct Answer
1. Bleed air is isolated from the engine starter
2. The PRV remains closed
3. The engine bleed air valve remains closed
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ExamsGuru. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
