Power Systems Which of the following is/are the effects of corona All of these power loss decreases charging current increases interference decreases All of these power loss decreases charging current increases interference decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? flat tie line control All of these parallel frequency flat frequency control flat tie line control All of these parallel frequency flat frequency control ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method N-R method G-S method All of these Decoupled method N-R method G-S method All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to reduce the speed of the neutrons. none of above. bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. reduce the speed of the neutrons. none of above. bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 80% 82% 76% 78% 80% 82% 76% 78% ANSWER DOWNLOAD EXAMIANS APP
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