SSC JE Electrical 2019 with solution SET-1
 A single-phase circuit’s power factor can be measured with a/an

Combination of a voltmeter and ammeter
Combination of a voltmeter, ammeter, and wattmeter
Wattmeter alone
Energy meter alone

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

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

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SSC JE Electrical 2019 with solution SET-1
 Which of the following plants experiences chain reactions?

Hydro-electric power plant
Nuclear power plant
Thermal power plant
Gas power plant

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