Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 200 A 100 A 2500 A 250 A 200 A 100 A 2500 A 250 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? None of these medium transmission lines only long transmission lines only short transmission lines only None of these medium transmission lines only long transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LL. LG. LLG. LLLG. LL. LG. LLG. LLLG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on conductivity relative permeability frequency All of these conductivity relative permeability frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? heavy water All of these graphite beryllium heavy water All of these graphite beryllium ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CANDU reactor uses highly enriched uranium as fuel and water as moderator and coolant. only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. enriched uranium as fuel and ordinary water as moderator and cooler. highly enriched uranium as fuel and water as moderator and coolant. only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. enriched uranium as fuel and ordinary water as moderator and cooler. ANSWER DOWNLOAD EXAMIANS APP
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