A tractor power take-off (PTO) driven stationary peg tooth type wheat thresher operating at a cylinder speed of 540 rpm requires a torque of $250 \mathrm{Nm}$ at PTO. The minimum net engine power required, in $\mathrm{kW}$ is
(A) 13
(B) 16
(C) 18
(D) 21
A tractor power take-off (PTO) driven stationary peg tooth type wheat thresher operating at a cylinder speed of 540 rpm requires a torque of $250 \mathrm{Nm}$ at PTO. The minimum net engine power required, in $\mathrm{kW}$ is
(A) 13
(B) 16
(C) 18
(D) 21