Engine: General Subjects

1. A The back of the propeller blade is the side of the blade which faces upstream during ahead motion and is the side of the blade known as the pressure side.
2. B The back of the propeller blade is the side of the blade which faces downstream during ahead motion and is the side of the blade known as the pressure side.
3. C The back of the propeller blade is the side of the blade which faces downstream during ahead motion and is the side of the blade known as the suction side.
4. D The back of the propeller blade is the side of the blade which faces upstream during ahead motion and is the side of the blade known as the suction side.

Tip: press A-D to answer