The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by

The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by Correct Answer $$\frac{{2\left( {{{\text{V}}_{\text{r}}} - {\text{v}}} \right){\text{v}}}}{{{\text{V}}_{\text{r}}^2}}$$

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