Exam (elaborations)
B -747 ORAL ENGINES TEST QUESTIONS AND ANSWERS
- Course
- Institution
B -747 ORAL ENGINES TEST QUESTIONS AND ANSWERS...
[Show more]
Content preview
What is the governing parameter item that the EEC uses for the GE engines inthe usual mode? Regarding the PW engines?
GE: N1
PW: EPR
What security features does the EEC Normal mode offer?
Limiting thrust
Constantly maintains thrust
Protection against excessive speed
When any EEC control is switched to an alternate mode, what happens to the
auto-throttle system?
After all EECs have been switched to alternate mode, the auto-throttles can be
reconnected.
Which protection characteristic of EEC Alternate mode is absent from EEC
Normal mode?
The greatest thrust that may be produced before the thrust over position at full
forward is known as thrust limiting at maximum N1.
The EEC select approach is idle when?
Nacelle anti-ice is activated.
Flaps in the position of landing
The ignition switch is continuously turned on.
, While the thrust reverser is operating
What needs to happen before the EEC alternate mode is manually selected?
Reduce the position of the push lever.
NOTE: When the EEC automatically switches control from normal mode to
alternate mode, thrust remains unchanged.
When the Continuous (CON) IGNITION Switch is turned on, what happens?
Certain igniters run constantly, and commands become closer to the idle
minimum
Which two engine indicators are always visible on a GE's primary EICAS?
N1 and EGT
When the EGT start or takeoff limit is reached, what color does the EGT change
to?
In red
The airborne vibration monitoring system will display "BB" if it is unable to
identify the vibration's source (FAN, LPT, or NT). What does this signify?
Broadband: The average vibration found is known as broadband vibration.
When the engine starts, which three things will the autostart system guard
against and cause an ENG 1, 2, 3, and 4 AUTOSTART EICAS message?
- Hot start
"Hung start"
No increase in EGT
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 Boostertips. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now