SSC JE Electrical 2018 with solution SET-1
If the centrifugal switch does not open at 70 to 80 percent of a synchronous speed of the motor, it would result in

Overloading of running winding
None of these
Damage to the centrifugal switch
Damage to the starting winding

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SSC JE Electrical 2018 with solution SET-1
 A three-phase synchronous motor will have

One slip-ring
Three slip-rings
No slip-rings
Two slip-rings

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SSC JE Electrical 2018 with solution SET-1
 What is the value of current I4 (in A) for the given junction?

−4
−6
6
4

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