Powerplant Flashcards
The TFE731-2-2B engine provides 3,500 lb of thrust at:
Sea level up to 72F (22C)
The engine LP rotor (N1) consists of:
A four stage, axial-flow compressor and a three-stage, axial-flow turbine
During a normal ground start, the ignition light should come on when:
Thrust lever is moved to idle
The engine HP spool (N2) consists of a:
Single-stage centrifugal compressor and a single-stage axial turbine
The engine instruments (N1, N2, and ITT) are powered by:
The DC main and essential buses
Electrical power for engine oil pressure indication is provided by the:
Inverters through the 26 VAC bus
The primary engine thrust indicating instrument is the:
Fan (N1)
The maximum ITT during engine start is:
860°C
The maximum transient ITT during takeoff is?
870C for ten seconds
What is the maximum acceptable engine oil temperature?
140C
During computer-on operation, the surge bleed valve:
Is controlled by the fuel computer
During computer-on operation, what engine overspeed protection is provided:
Only 105% N2 mechanical governor 109% N1/110% N2 ultimate overspeed shutoff
Which of the following statements regarding fuel control is true in the event of aircraft electrical failure?
Fuel control reverts to the MANUAL mode, and ultimate over speed protection is lost
If the SPR switch is used during engine start, it should be released to OFF when:
ITT reaches 300 to 400C
The ENG SYNC light indicates:
Engine sync is turned on, and the nose landing gear is locked in the DOWN position.
