List of top Naval Architecture and Ocean Engineering Questions on Propeller Theory

The figure depicts the cavitation pattern of a propeller.

 



Which ONE of the following options CORRECTLY gives the description for the labels P, Q, R, S, respectively in the figure?

A propeller of 4 m pitch is rotating at 120 rpm. It has a behind-hull propeller efficiency of 60% and a real slip of 25%.
If the power delivered to the propeller is 2800 kW, then the thrust produced by it is ______ kN (answer in integer).