blem: A $746kW,3,50Hz,16$ pole induction motor has

$\frac{R_2}{p}$hase $=0\mathrm{.}02.$

$\frac{x_2}{p}$hase $=0\mathrm{.}15$

Full load Torque is obtained at $360$ rpm $.$ Find

a$)\frac{T_{\text{m}\text{a}\text{x}}}{T_f}$

b$)$ Speed corresponding to $T_{\text{m}\text{a}\text{x}}$

C$)$ Rotar resistance

to be added to get

maxtorque at starting.

D$)$ the speed corresponding to tmax