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 25. 10. 15. 50. 25. 10. 15. 50. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of following is employed as a moderator by CANDU type of slow thermal nuclear reactors Beryllium. Heavy water. Water. Graphite. Beryllium. Heavy water. Water. Graphite. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 800 MW 400 MW 200 MW 1600 MW 800 MW 400 MW 200 MW 1600 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides primary protection. simultaneous protection. back up protection. remote protection. primary protection. simultaneous protection. back up protection. remote protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding All of these reactance grounding isolated grounding resistance grounding All of these reactance grounding isolated grounding ANSWER DOWNLOAD EXAMIANS APP