SSC JE Electrical 2019 with solution SET-1
 The meter constant of an energy meter will be given in:

Revolutions/kWh
kW/Revolutions
Revolutions/kW
kWh/Revolutions

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SSC JE Electrical 2019 with solution SET-1
_____ is NOT a component in a thermal power plant

Economizer
Reactor
Chimney
Boiler

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

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SSC JE Electrical 2019 with solution SET-1
 In a single-phase capacitor start-and-run motor, the minimum number of capacitors to be used in it is:

3
2
1
4

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SSC JE Electrical 2019 with solution SET-1
 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (2πωT)
Pmech = (ωT)/60
Pmech = (2πωT)/60
Pmech = ωT

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