A 3-phase slip ring IM is has its copper bars changed by the aluminium – McqOptions

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1.	A 3-phase slip ring IM is has its copper bars changed by the aluminium bars in the machine. With the above change ___________
A.	starting torque remains same
B.	starting torque increase
C.	starting torque decrease
D.	maximum torque increase
Answer» B. starting torque increase

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