Powerplant Flashcards
The PT6 used in the King Air 350 is described as a _______ engine.
Reverse-flow, free-turbine
The compressor bleed valve is closed above approximately ______ % N1.
98
Where is the zone from which ITT is derived, located?
Between the compressor turbine and the first stage power turbine stator vain rings.
What is igniter?
The igniter provides the initial spark for combustion.
Hot engine exhaust continuously provides ice protection to which?
Engine inlet lips.
When should engine oil be checked for an accurate quantity reading?
Within 10-20 minutes after engine shutdown
What is the maximum ITT allowed during start with no inspection required?
850-1000 Celsius for 5 seconds.
Describe Engine Oil system.
Integral tank between the engine air intake and the accessory case
Fuel delivered to the high-pressure pump has passed through what system components after leaving the fuel tank?
Nacelle fuel tank - firewall valve - engine driven boost pump- strainer - fuel/oil heat exchanger - engine driven high pressure fuel pump - FCU