Problem

A performance estimate for a reefer yields the data shown in the table below. The owner has selected an engine rate of revolution to simplify gearing for a shaft generator.

$\backslash$table$[[$design speed,$v,=,20\mathrm{.}0$ kn$],[$resistance $($trial$),R_T,=,749\mathrm{.}0$ kN$],[$service margin,$s_M,=,0\mathrm{.}15],[$nonuniform wake adjustment $($deduction$),,=,2\%$