Power Systems Which of the following insulator is practically used for railway crossings? string insulator pin insulator strain insulator All of these string insulator pin insulator strain insulator All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in reduction of KVA rating of distribution transformers reduction in distribution power loss All of these improved voltage regulation reduction of KVA rating of distribution transformers reduction in distribution power loss All of these improved voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Power Systems How to find the total number of strands (N) when number of layers (x) are given Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² + 3x + 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 478 MW 386 MW 456 MW 400 MW 478 MW 386 MW 456 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant load factor of the steam plant is increased All of these the operating cost of the steam plant become optimum chances of the tripping of the system decrease load factor of the steam plant is increased All of these the operating cost of the steam plant become optimum chances of the tripping of the system decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 20 10 13 21 20 10 13 ANSWER DOWNLOAD EXAMIANS APP
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