SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To improve the starting performance of the motor
To cut-off the starting winding at an appropriate instant
To out in the capacitor during running conditions
To protect the motor from overloading

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SSC JE Electrical 2019 with solution SET-1
 In a transmission line, the voltage regulation is negative whenever receiving end voltage Vs

Less than the sending end voltage
Half of the sending end voltage
Equal to the sending end voltage
Greater than the sending end voltage

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SSC JE Electrical 2019 with solution SET-1
 Which of the following lamps has the shortest/less life span in working hours?

Mercury vapor lamp
Fluorescent lamp
Sodium vapor lamp
Incandescent lamp

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