Power Systems Isolator in sub station is open under ------------- condition? no load any of the above short circuit full load no load any of the above short circuit full load ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 8 × 10³ 2 × 10-3 7.95 × 10-3 7.95 × 10³ 8 × 10³ 2 × 10-3 7.95 × 10-3 7.95 × 10³ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 13 10 21 20 13 10 21 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When bundle conductor are used in place of single conductor the effective inductance and capacitance will respectively increase and remain unaffected. decrease and increase. increase and decrease. decrease and remain unaffected. increase and remain unaffected. decrease and increase. increase and decrease. decrease and remain unaffected. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as medium transmission line long transmission line any of the above shunt capacitor medium transmission line long transmission line any of the above shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? both 1 and 2 faults within a transformer faults within a generator through faults both 1 and 2 faults within a transformer faults within a generator through faults ANSWER DOWNLOAD EXAMIANS APP