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? 7.95 × 10³ 2 × 10-3 8 × 10³ 7.95 × 10-3 7.95 × 10³ 2 × 10-3 8 × 10³ 7.95 × 10-3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between none of above. the turbine and discharge drain. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. none of above. the turbine and discharge drain. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Over current relay Differential relay Over fluxing relay Buchholz relay Over current relay Differential relay Over fluxing relay 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? LG. LL. LLLG. LLG. LG. LL. LLLG. LLG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to transient voltage. none of these. arcing period voltage. normal frequency 50 Hz rms voltage. transient voltage. none of these. arcing period voltage. normal frequency 50 Hz rms voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xs +2 Xm 2Xs + Xm Xm - Xs Xs - Xm Xs +2 Xm 2Xs + Xm Xm - Xs Xs - Xm ANSWER DOWNLOAD EXAMIANS APP
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