Power Systems Earth fault relay uses the which of the following sequence currents? negative sequence any of the above positive sequence zero sequence negative sequence any of the above positive sequence zero sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 33 to 50 kV 25 to 35 kV any voltage above 33 kV 31.35 to 34.65 kV 33 to 50 kV 25 to 35 kV any voltage above 33 kV 31.35 to 34.65 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 6 A. 8 A. 7 A. 10 A. 6 A. 8 A. 7 A. 10 A. 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 400 MW 800 MW 1600 MW 200 MW 400 MW 800 MW 1600 MW 200 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is porcelain glass mica PVC porcelain glass mica PVC ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 5 sec. 20 sec. none of these. 10 sec. 5 sec. 20 sec. none of these. 10 sec. ANSWER DOWNLOAD EXAMIANS APP
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