18 Questions
What is the primary material used to make fixed-pitch propellers?
Aluminum
What is the primary characteristic of a fixed-pitch propeller?
The blade angle is fixed
What type of fixed-pitch propeller is designed to provide the best performance for takeoff and climb?
Climb Propeller
What is the main advantage of a cruise propeller?
It is more efficient at cruising speed and high altitude flight
What is the primary characteristic of a standard propeller?
It is a compromise between climb and cruise propellers
What is typically designated by each aircraft manufacturer?
A standard propeller
What is the primary function of a test club propeller?
To test the performance of the engine during ground running and bench testing
What is the primary indicator of engine power in a fixed-pitch propeller?
Tachometer reading
What type of propeller is found mostly on aircraft built between the 1920s and 1940s?
Ground adjustable propeller
What is the purpose of a tachometer in a fixed-pitch propeller?
To provide a direct indication of the engine and propeller RPM
What is the primary difference between a ground adjustable propeller and a fixed-pitch propeller?
The ability to adjust the blade angle only on the ground
What information is required by the Federal Aviation Regulations to be displayed on an aircraft propeller?
Both the serial number and type certificate number
What is the main advantage of controllable-pitch propellers over ground adjustable propellers?
The blade angle can be changed while the propeller is rotating
What is the primary purpose of the low pitch setting on a two-position propeller?
To provide maximum engine power during takeoff and climb
What controls engine power output on an aircraft equipped with a constant-speed propeller?
Throttle
What is the primary function of a governor in a constant-speed propeller system?
To sense engine rpm and adjust propeller pitch
What is the main benefit of using a constant-speed propeller during cruise?
Improved fuel economy
What is the term used to describe constant-speed propellers?
Automatic propellers
This quiz focuses on the components and systems of aircraft engines, including propellers, tachometers, and throttle control. It covers their functions and relationships in ensuring engine performance and safety. Test your knowledge of aircraft engine mechanics!
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