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

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

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SSC JE Electrical 2018 with solution SET-1
 What is the magnitude of the reactive power (in kVAR) of a balanced 3-phase delta connected system having the line voltage of 400 V and the line current of 50 A and the phase difference between the voltage and current is 53.13 degrees?

27.71
2.771
0.2771
277.1

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SSC JE Electrical 2018 with solution SET-1
 A 3-phase star connected system is supplied by a line voltage of 440 V. The value of the current is 50 A. What is the power (in kW) consumed by the system, if the current lags the voltage by 45 degrees?

47
24
8.95
26.94

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SSC JE Electrical 2018 with solution SET-1
 In cables, the thickness of the layer of insulation on the conductor depends upon

Voltage
Power Factor
Current carrying capacity
Reactive Power

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