SSC JE Electrical 2019 with solution SET-1
 Lamp efficiency is measured in

Candela/watt
Lumen/lux
Lux/watt
Lumen/watt

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SSC JE Electrical 2019 with solution SET-1
  In a capacitor start single phase induction motor the current in the:

Starting winding lags the voltage
Supply lines lead the voltage
Starting winding leads the voltage
The main winding leads the voltage

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SSC JE Electrical 2019 with solution SET-1
 P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Meter per hour
Meter per second
Cubic meter per second
Square meter per second

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

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