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Test #2 in Props

QuestionAnswer
On the ground adjustable propeller, how many different pitch positions were possible 2
On the ground adjustable propeller, the blade shoulder is secured to wooden blades by? Lag screws driven into the blade root.
On the Hamilton standard the blades are moved to the high pitch setting by? Centrifugal force acting on the counterweights
On the Hamilton Standard two position propeller, prior to shut-down the propeller should be placed in which position The highest pitch position
T/F The Aeromatic propeller is controlled by a propeller governor. False
T/F The Curtiss Wright Electric propeller had two electric motors to control the propeller pitch one to rotate the blades to a high position and one to rotate the blades to a low position. False
On a constant speed propeller engine power is controlled by __________ and indicated by _______________________? Throttle Control lever / manifold pressure
On a hydraulically actuated propeller high pressure engine oil is used to ? Increase propeller blade angle
The propeller governor will? Control the flow of engine oil to the propeller hub Senses the engine speed Boosts the pressure of the engine oil
The spring in the McCauley constant-speed propeller is used to? Decrease the blade angle
T/F All Hartzel steel hub constant speed propellers are counterweighted False
The Two position counterweighted propeller was transformed into a constant speed propeller. On this propeller ______________ decreases the blade angle and ____________ increases the blade angle. Engine oil pressure / Centrifugal force acting on the counterweights
What is meant by propeller feathering? Propeller blades are moved to approximately 90 ̊ to reduce drag in the event of an engine failure
Should oil pressure be lost, the Hartzel compact feathering propeller will automatically move to which position Feathered position
T/F On the Hamilton Standard hydromatic propeller the primary components of the pitch change mechanism are located in the hub. False
T/F According to the FAR’s an aluminum propeller blade that requires a major repair can be repaired in the field but must be signed off by a mechanic with an Inspection authorization. False
When zeroing the prop protractor, which of the following is a correct step? Place the edge of the protractor on a flat surface of the propeller hub that is parallel to or perpendicular to the crankshaft centerline
When reading the prop protractor the? The outer ring is locked and the inner ring is rotated until the spirit level is indicating level then using the scale on the inner ring by comparing the alignment with the zero on the outer ring
T/F When inspecting a ground adjustable propeller you need not disassemble the hub True
Some models of McCauley propeller hubs are partially filled with red dyed oil. The purpose of this is to indicate formations of cracks in the hub
If the tension of the propeller governor control spring (speeder spring) is reduced by movement of the cockpit propeller control, the propeller blade angle will Increase, engine manifold pressure will increase, and engine RPM will decrease
What actuates the pilot valve in the governor of a constant-speed propeller Governor flyweights
How is the speed of a constant speed propeller changed in flight? By changing the load tension against the flyweights in the governor
What is the recommended method of inspecting a steel propeller hub for cracks? By magnetic particle inspection
During which of the following conditions of flight will the blade pitch angle of a constant-speed propeller be the greatest High-speed, high-altitude cruising flight
The purpose of a permanently sealing and partially filling some models of McCauley propeller hubs with dyed oil is to Make the location of cracks readily apparent.
For take-off, two position propeller is normally set in the LOW PITCH, high RPM position
The pilot valve in the governor is actuated by governor flyweights
An aircraft with a constant-speed propeller system will use the ___________ __________ (what instrument) to indicate the engine power, and the __________ __________ (what instrument) to indicate the propeller setting. Manifold pressure, engine tachometer (RPM)
T/F During takeoff, propeller thrust is greatest if the blade angle of attack is low and the engine power setting is high. True
T/F With the aircraft stationary, propeller thrust is greatest if the blade angle is high and the engine power setting is high. False
Created by: JBTank
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