The nameplate of a squirrel cage four-pole induction motor has the following information: 25 hp, 220 V, three-phase, 60 Hz, 830 r/min, 64-A line current. If the motor draws 20,800 W when operating at full load, calculate
a. Slip.
b. Percent regulation if the no-load speed is 895 r/min.
c. Power factor.
d. Torque.
e. Efficiency.
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