A 3 phase I.M. is running with 5% slip. Its rotor input is 20kW and i – McqOptions

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1.	A 3 phase I.M. is running with 5% slip. Its rotor input is 20kW and its synchronous speed is 1500rpm then its shaft torque is ___ if frictional losses are 1kW.
A.	226.89nm
B.	120.62nm
C.	135.48nm
D.	214.7nm
Answer» C. 135.48nm

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