Power Systems Which of the following decides the insulation level of 400 kV, EHV line? skin effect lighting voltage radio interference switching over voltage skin effect lighting voltage radio interference switching over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 20 8 10 4 20 8 10 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method G-S method All of these N-R method Decoupled method G-S method All of these N-R method 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 zero power factor 0.707 lagging power factor 0.707 leading power factor unity power factor zero power factor 0.707 lagging power factor 0.707 leading power factor unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a nuclear reactor, chain reactor is controlled by introducing brass rods. iron rods. cadmium rods. graphite rods. brass rods. iron rods. cadmium rods. graphite rods. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the methods of laying underground cables? Direct laying. Draw - in - system / duct - pipe laying. None of these. Both A and B. Direct laying. Draw - in - system / duct - pipe laying. None of these. Both A and B. ANSWER DOWNLOAD EXAMIANS APP
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