'A three-phase; 230 V 30 hp, 60 Hz, six-pole induction motor is operating with a shaft load that requires 21.3 kW to cross the air gap to the rotor: Rotor copper loss is 1.05 kW, and mechanical and stray load losses are 300 W_ Determine:
shaft speed; mechanical power developed; developed torque; shaft torque; and, percent of rated hp the machine is required to deliver to the load '