$5-$ A $3-$phase, $460$V $($line$-$to$-$line$),60$Hz$,1760$rpm induction motor has the following

equivalent circuit parameters:

$\text{'}\text{'}$

R X R X X $=====$

$11220\mathrm{.}251\mathrm{.}20\mathrm{.}21\mathrm{.}135$ m

Determine:

a$)$ The number of poles of the machine

b$)$ The starting current when started directly at full input voltage

c$)$ The stator current at the full load condition

d$)$ The ratio of starting current to full load stator current

e$)$ The air gap power

f$)$ The developed mechanical power and the developed torque