Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is unity. zero. lagging. leading. unity. zero. lagging. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power transmission lines are transposed to reduce ferranti effect proximity effect radio interference skin effect ferranti effect proximity effect radio interference skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following plants has the maximum eapital cost Steam plants. Hydro-plants. Diesel plants. Nuclear plants. Steam plants. Hydro-plants. Diesel plants. Nuclear plants. 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? 19.60 kW 4.45 kW 2.90 kW 9.81 kW 19.60 kW 4.45 kW 2.90 kW 9.81 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? triangular configuration same in both configuration None of these horizontal configuration triangular configuration same in both configuration None of these horizontal configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.8 pu 0.4 pu 0.5 pu 1 pu 0.8 pu 0.4 pu 0.5 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP