Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence negative sequence zero sequence any of the above positive sequence negative sequence zero sequence any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 1.35. 0.99. 1.0. 0.75. 1.35. 0.99. 1.0. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging shunt capacitor any of the above series capacitor shunt reactor shunt capacitor any of the above series capacitor shunt reactor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Resistance switching in normally employed in air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. air blast circuit breaker. minimum oil breakers. all breakers. bulk oil breakers. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.043 mH 1.182 mH 1.093 mH 1.232 mH 1.043 mH 1.182 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP