For a 3 phase I.M. running at 1440 rpm the torque lost in friction is – McqOptions

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1.	For a 3 phase I.M. running at 1440 rpm the torque lost in friction is 50Nm then its frictional losses are____.
A.	7.54
B.	4.23
C.	6.25
D.	8.45
Answer» B. 4.23

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