Power Systems The value of off diagonal elements is sum of admittances connected at bus i which is connected between bus i and bus j with positive sign which is connected between bus i and bus j with negative sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with positive sign which is connected between bus i and bus j with negative sign sum of admittances connected at bus j ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the length of the transmission line, the charging current decreases increases None of these remains unaffected decreases increases None of these remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is porcelain All of these glass mica porcelain All of these glass mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. R × I. corona. the switch voltage. the lighting voltage. R × I. corona. the switch voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. none of above. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. square of the rate at which fission reaction occurs. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 11.8% 88.2% 85% 15% 11.8% 88.2% 85% 15% ANSWER DOWNLOAD EXAMIANS APP