Power Systems When is the ferranti effect on long overhead lines experienced? The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity The line is heavily loaded The line is lightly loaded The line is fully loaded The power factor is unity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in improved voltage regulation All of these reduction in distribution power loss reduction of KVA rating of distribution transformers improved voltage regulation All of these reduction in distribution power loss reduction of KVA rating of distribution transformers ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 1 to 10 10.8 to 11.2 50 to 100 1.6 to 1.8 1 to 10 10.8 to 11.2 50 to 100 1.6 to 1.8 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 225 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 12.5 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems The shape of the disc of an induction disc relay is none of these. spiral. elliptical. circular. none of these. spiral. elliptical. circular. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. air preheater. economizer. superheater. ash handling point. air preheater. economizer. superheater. ash handling point. ANSWER DOWNLOAD EXAMIANS APP