SSC JE Electrical 2018 with solution SET-1
The unit of luminous flux is

Lumen
Steradian
Lux
Candela

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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?

8.95
24
47
26.94

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

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

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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
 Which one of the following is a passive element to an electric circuit?

Resistors
Voltage source
Current source
Battery

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