Powerplant Flashcards
What is Minimum Oil Temperature For Start?
-40°C
What is the Minimum Engine Oil Temperature For Opening Up?
+30°C
What is Normal Oil Pressure?
38 – 46 PSI (Green Arc)
What is the Minimum Oil Pressure for Operation?
25 PSI
What is the Maximum Oil Pressure for Operation?
55 PSI – Up to 3 Minutes
The LP (N1) Spool is Comprised of Which Elements?
4-Stage Low Pressure Axial Flow Compressor 3-Stage Low Pressure Turbine Planetary Gear Box
How Much Engine Oil is Contained In a Normally Serviced Reservoir?
6 Quarts
How Many Pressure and Scavenge Elements Are On the Pump?
4 Scavenge / 1 Pressure
What is the Power Source of the Oil Temperature Indicator?
28 VDC From the PE Bus
What is the Power Source of the Oil Pressure Indicator?
28 VAC From the XE Bus Through #1 Instrument Transformer
May a Flight Be Initiated With an Unserviceable Fuel Computer?
No
What Activates the Ignition Unit During the Start Sequence?
Microswitch on Each HP Fuel Lever When HP Cock Is Opened
What Occurs During Engine Start When the HP Cocks Are Opened?
Fuel Control Unit Opens Ignition Initiates Hydraulic Valve Opens
What Position Will the Surge Valve Move To If the EEC Fails?
1/3 Open
What Triggers the APR System?
5% Difference in N2 Detected