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?

277.1
2.771
0.2771
27.71

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SSC JE Electrical 2018 with solution SET-1
Which one of the material is used to fix the screw on concrete wall and ceiling?

Saddles
Link clips
Rawl Plug
Bushings

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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

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

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SSC JE Electrical 2018 with solution SET-1
 Which of the following instrument can measure voltage resistance and current?

Voltmeter
Multimeter
Wattmeter
Ammeter

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