Q.

A 3 phase I.M. is running with full load slip of 1.2% and its rotor impedance per phase on standstill is 0.016+j0.265Ω then ratio of full load torque to starting torque is _____.

A. 0.382
B. 3.16
C. 0.123
D. 0.556
Answer» B. 3.16
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