Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 15. 50. 10. 25. 15. 50. 10. 25. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging reactance of 50 km transmission line is 1500 Ω. What is the charging reactance for 100 km length of line? 750 Ω 1500 Ω 1000 Ω 3000 Ω 750 Ω 1500 Ω 1000 Ω 3000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line any of the above long transmission line medium transmission line short transmission line any of the above long transmission line medium transmission line short transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 10 A. 6 A. 7 A. 8 A. 10 A. 6 A. 7 A. 8 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 23.33 mH. 25.8 mH. 21.2 mH. 23.8 mH. 23.33 mH. 25.8 mH. 21.2 mH. 23.8 mH. ANSWER DOWNLOAD EXAMIANS APP