Power Systems Surge impedance loading (SIL) is represented by Vl²/Zs Vph²/Zs Vl²*√(C/L) both 1 and 2 Vl²/Zs Vph²/Zs Vl²*√(C/L) both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.13 1.25 0.89 1 1.13 1.25 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent always if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of cobalt. cast iron. steel. aluminium. cobalt. cast iron. steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on RI. switching voltage. corona. lightning voltage. RI. switching voltage. corona. lightning voltage. 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% 78% 76% 80% 82% 78% 76% ANSWER DOWNLOAD EXAMIANS APP