*** the answer is underlined

 

1.       Component used to retain the propeller on the engine shaft are considered to be

a.       Engine parts

b.      Propeller parts

c.       Separate parts

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2.       Hub belong to which part:

a.       ENG.

b.      Propeller.

c.       Airframe.

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3.       Relative wind is defined by

a.       Forward speed and rotating direction

b.      AOA of blade (and relative wind direction?), rotating direction

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4.       The resultant airflow over a propeller blade depends on

a.       RPM

b.      Forward speed

c.       RPM and forward speed

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5.       Angle of attack definition:

a.       Between blade chord and relative wind flow