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120 Progressive #4
Terms in this set (22)
How is aircraft electrical power for deicer systems transferred from the engine to the prop hub assembly?
By slip rings and brushes.
On most reciprocating multiengine aircraft, automatic prop synchronization is accomplished through the actuation of the?
What is a function of the automatic prop synchronizing system on multiengine aircraft?
To control engine RPM and reduce vibration.
What unit in the propeller anti-icing system controls the output of the pump?
Proper operation of electric deicing boots on individual prop blades may best be determined by ?
Feeling the sequence of boot heating and have assistant observe the loadmeter indications.
A prop synchrophasing system allows a pilot to reduce noise and vibration by?
Adjusting the phase angle between the propellers.
An aircrafts propeller system beta range?
Is used to produce zero or negative thrust.
The blades of a _________type prop can be rotated to a negative angle to produce reverse thrust.
The Beta mode of a operation of a reversible prop system is primarily the _______ operation.
A negative torque signal (NTS) provides a signal which _________prop blade angle to limit negative shaft torque.
If a power loss occurs during takeoff, the thrust sensitive signal of a turbo-prop system causes the prop to __________automatically.
During ground operation the __________lever used with a TPE-331 engine sets the engine rpm by varying the propeller blade
During flight operation, the _______lever used with a TPE-331 engine sets the engine rpm by varying the propeller blade angle.
An electric pump is used to ________the propeller on a TPE-331 engine.
The propeller shaft _________connected to the gas generator turbine in a PT-6 engine.
The propeller governor on an airplane equipped with a PT-6 engine____________function as a control unit when operating in the Beta mode.
Full aft movement of the_________control lever causes the propeller system on a PT-6 engine into the feather postition.
The propeller ___________system is used to set all propellers at exactly the same rpm.
Two undesirable conditions that are minimized by using synchrophasing are:
Noise and Vibration
Isopropyl alcohol may be used in a fluid__________system on propellers.
Electrical power for propeller deicing is transferred from the aircraft system to the propeller hub through electrical leads which terminate what units?
Carbon brushes and slip rings
Electrical deicing systems are usually designed for________application of power to the heating elements.
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