Power Systems Cheapest plant in operation and maintenance is hydroelectric. diesel power. nuclear. steam power. hydroelectric. diesel power. nuclear. steam power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 3 12 6 5 3 12 6 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. star / grounded star. ground star / delta. delta / delta. delta / star. star / grounded star. ground star / delta. delta / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona All of these charging current increases interference decreases power loss decreases All of these charging current increases interference decreases power loss decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the breakdown voltage of the insulator is high, the thickness of the insulator is high less None of these it does not related to breakdown voltage high less None of these it does not related to breakdown voltage ANSWER DOWNLOAD EXAMIANS APP