Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 6. 24. 12. 16. 6. 24. 12. 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use sodium as coolant and graphite as moderator. a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have 0.707 lagging power factor unity power factor 0.707 leading power factor zero power factor 0.707 lagging power factor unity power factor 0.707 leading power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 5. 20. 10. 55.1. 5. 20. 10. 55.1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 265.25 Ω 625.35 Ω 0.844 Ω 855.26 Ω 265.25 Ω 625.35 Ω 0.844 Ω 855.26 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will both 2 and 3 reduce the thermal efficiency reduce the heat increase the thermal efficiency both 2 and 3 reduce the thermal efficiency reduce the heat increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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