Power Systems Fault calculations using computer are usually done by Y bus method Z bus method either 1 or 2 None of these Y bus method Z bus method either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 9.81 kW 19.60 kW 4.45 kW 2.90 kW 9.81 kW 19.60 kW 4.45 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance Z(pu) is given by ZΩ* (MVA)b*100/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b/(KV)²b ZΩ* (MVA)b*100/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lead 0.8 lag 0.6 lag 0.8 lead 0.6 lead 0.8 lag 0.6 lag 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xm - Xs Xs - Xm Xs +2 Xm 2Xs + Xm Xm - Xs Xs - Xm Xs +2 Xm 2Xs + Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 10 13 21 20 10 13 21 20 ANSWER DOWNLOAD EXAMIANS APP
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