SSC JE Electrical 2018 with solution SET-1
In a synchronous Motor, the damping winding is generally used to

Prevent hunting and provide starting Torque
Reduces the eddy current
Provide starting torque
Reduces the Noise Level

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SSC JE Electrical 2018 with solution SET-1
 Under the no-load condition, the current in a transmission line is due to

Back Low from the earth
Spinning Reserve
The capacitance of the line
Corona effect

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SSC JE Electrical 2018 with solution SET-1
 What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?

100
60
80
50

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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

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

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