Card Set Information
The engine cowling does all of the following except ______.
the engine to the frame
The purpose of the inertial separator is to ______.
keep debris away from the engine
The compressor and power turbines are physically connected.
What three elements are necessary for engine operation?
Air, fuel, heat
T or F; As exhaust is released, additional thrust is provided.
T or F; Once the engine is started, and the ignition switch is in the ON position, igniters are automatically
energized and de-energized by the PMU.
False; on = continuous ignition
The primary purpose of the ignition system is to ______.
ignite the air and fuel mixture in the combustion chamber
T or F; Friction control settings made to the front PCL affect the aft PCL.
When starting the T-6A, the PCL should be ______.
pushed forward until a green ST READY annunciator is illuminated
The PMU is located ______.
underneath the engine, in the accessory compartment
The PMU performs the following functions:
processes power request and keeps engine and propeller within operating limitations
The PMU STATUS annunciator illuminates after landing when the PMU ______.
T or F; After engine start, the starter becomes a generator.
T or F; The MANUAL starter switch position will be used under normal circumstances.
False; AUTO/RESET for normal circumstances
If oil pressure is ______ psi or below at IDLE power, the red OIL PX annunciator will illuminate.
If oil pressure remains between 15 and 40 psi at IDLE power for more than 5 seconds, ______ will be
the red OIL PX annunciator
The chip detector sensor is located ______.
in the reduction gearbox
The oil system provides filtered oil to all of the following systems, EXCEPT ______.
The reduction gearbox reduces engine output from ______ RPM to propeller speeds of ______ RPM.
The phase shift torque probe monitors ______.
The PIU ______.
regulates oil pressure to the pitch change mechanism
If the propeller pitch change mechanism loses oil pressure, the propeller will automatically move
towards the ______ position.
Varying levels of thrust are achieved by ______.
changing propeller pitch
The PMU ______.
keeps the engine and propeller within operating limits
If the oil filter gets clogged _____.
the system uses unfiltered oil
In straight-and-level flight, for PCL positions above IDLE, oil pressure should be maintained between
______ and ______.
90; 120 psi
The phase shift torque probe is located ______.
in the reduction gearbox
Propeller pitch refers to ______.
the angle of the propeller blades
Which propeller position produces the least amount of drag?
The propeller pitch change mechanism is able to change propeller blade angle by ______.
The PMU directs the PIU to maintain propeller RPM at ______.
The power turbine is driven by ______.
During aerobatic flight, oil pressure should be maintained at or above ______.
Amber PMU STATUS
: mistmatch between weight on wheels switches, will not revert to ground mode upon landing
red PMU FAIL
amber PMU STATUS
PMU is not functional
permanent magnet alternator; 32 VAC PMU converts DC; PMA fails, 28 VDC battery bus
Starter/ Generator provides
28 VDC power; charges 24 VDC battery
amber OIL PX
: 15-40psi or
40-90psi for 10sec above Idle
red OIL PX
: <15-40psi for 5sec or more
100% torque is available for sea level to ___
p = ___
Overspeed governor will not allow propeller RPM to exceed _____%/ _____RPM
106%; 2120 RPM