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71 Cards in this Set

  • Front
  • Back
The engine cowling does all the following except ____.
secures 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 connectrd.True or False.
False
What three elements are necessary for engine operation?
1. Air
2. fuel
3. Heat
True or False. As exhaust is released, additional thrust is provided.
True.
True or False. 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
The primary purpose of the ignition system is to ___.
ignite the air and fuel mixture in the combustion chamber
Tru or False. Friction control settings made to the front PCL affect the aft PCL.
True
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, except:
releases the correct amount of fuel
The PMU STATUS annunciator illuminates after landing when the PMU ___.
needs maintenance
After engine start, the starter becomes a generator. True or False.
True
True or False. The MANUAL starter switch position will be used under normal circumstances.
False
For aircraft NOT modified by TCTO IT-6T-554/TD AVC-5266, with the engineabove IDLE power a red OIL PX annunciator illuminates when oil pressure falls below ____ psi.
40
For aircraft modified by TCTO 1T-6A-554/TD AVC-5266, if oil pressure remains between 15 and 40 psi at IDLE power for more than 5 seconds, _____ will be illuminated.
both the amber and red OIL PX annunciators
The chip detector sensor is located _____.
in the reduction gearbox
The oil system provides filtered oil to all of the following systems, EXCEPT ______.
wheel brakes
The reduction gearbox reduces engine output from _____ RPM to propeller speeds of _____RPM.
30,000; 2000
The phase shift torque probe monitors _______.
propeller speed
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.
feathered
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?
Feather
The propeller picth change mechanism is able to change propeller blade angel by ____.
oil pressure
The PMU directs the PIU to maintain propeller RPM at ____.
2000
The power turbine is driven by _____.
expanding gases
During aerobatic flight, oil pressure should be maintained at or above _____.
40 psi
True or False. All of the functions performed by the engine data manager (EDM) are engine related
False
The EDM is located _____.
in the left avoinics bay
True or False. All primary engine data is processed by the PMU prior to being displayed.
True.
In the event of abnormal engine operation, the primary engine data diplays will warn the pilot by _____.
changing color
In order to prevent possible damage due to ground resonance, what is the Np stabilized operation prohibited range while on the ground?
62-80%
True or False. All data provided to th ealternate engine data display is first processed by th PMU.
False
On the alternate engine data displays, /\P measures ____.
the difference between cockpit pressure and outside pressure
The engine/systems/NACWS displays provide ______.
oil temp., oip pressure, hydraulic pressure, NACWS traffic alerts, DC volts and DC amps
To view the NACWS diplay, _____.
depress the trigger swtich on the control stick to the second detent
True or False. Shutoff valves activated by the Firewall Shutoff Handle may be reset by pushing handle back in.
True
When testing the intregrity of th fire warning system, you will know the system is working properly if ______ and teh aural tone sounds.
the FIRE and MASTER WARN annunciators illuminate
The engine data manger does not _____.
control all electronic displays in the cockpit
The primary engine data displays system _______.
provides each cockpit with a visual indicatin of engine operations
The engine data manager is located ______.
in the left avionics bay
True or False. The alternate engine data display serves as a backup to the primary engine data displays, and therefore display some of the same data
True
The primary enging data display provides _____.
torque,ITT, N1 NP and IOAT
The engine/system/NACWS display does not ______.
diplay outside environmental conditions in each cockpit
True or False. All data presented on the alternate engine data display is processed by the PMU.
False.
The FIRE switch located in the front cockpit is used to _____.
test the integrity of fire waring system
What three elements are necessary for engine operations?
Air, fuel, and heat
Given indications of abnormal start, what should you do?
Begin abort start procedure
What are the types of abnormal start?
Hot, hung, no start
What are the indications of a hot start?
High/rapidly rising ITT, lower N1, lower Np
What are the indications of a hung start?
Slow rising ITT,lower N1, lower Np
What are the indications of no start?
No ITT indication, lower N1, no Np indication, no torque indication
What are some possible displays indications of engine failure in-flight?
A. Initail indications: Loss of power and airspeed; rapid decay of N1, torque, and ITT; MASTER WARN Lights and tone; propeller moves towards feather
B. Accompanyiny indications: Rapidly decreasing ITT, Np; lower than normal oil pressur; engine noise; GEN, FUEL PX, OIL PX, OBOGS FAIL annunciators; Possibly PMU FAIL and CKPT ALT annunciators
What are the indications of PMU failure?
Power step change, PMU FAIL annunciator MASTER WARN light, aural tone
What are teh indications of uncommanded propeller feather?
Rapid loss of power, high torque, lower Np, possible PMU FAIL/PMU STATUS annunciators, engine/airframe vibration, engine noise
What are some sensory indications of engine fire in-flight?
See smoke or flames, smell oil burning, hear unusal sounds, feel engine vibration or roughness
The power turbine is driven by _____.
expanding gases
What does FEVER stand for?
Fluctuating oil pressure, oil temp. or hydraulic pressure,
Excessive turbine temp.
Visual indications(smoke),
Erratic engine operation
Roughness or vibration
What are the three engine sections?
Accessory compartment, gas generation section, and power turbine section
What unctions are performed by the PMU?
Maintaining operating limits, process power requests, control engine and propeller, provide near linear power response
What is the purpose of PIU?
Regulate oil pressure to the pitch change mechanism
What are possible causes of engine failure in-flight?
Fuel starvation, mechanical failure, compressor stall
What are the engine fire warning indicators?
FEVER, FIRE annunciator, MASTER WARNING light, aural tone
What are some possible causes of uncommanded power loss?
Enging rollback due to PMU scheduling, Oil/engine/fuel system contamination
What are some possible indications of engine fire in-flight that may be seen on the engine displays?
High ITT; Fluctuating; oil temp and pressure, hydraulic pressure.