Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.7 mA. 14.76 A. 1 A. 1.476 A. 14.7 mA. 14.76 A. 1 A. 1.476 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines None of above. Francis and Kaplan turbines. Kaplan and Francis turbines. Pelton and Kaplan turbines. None of above. Francis and Kaplan turbines. Kaplan and Francis turbines. Pelton and Kaplan turbines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides simultaneous protection. back up protection. remote protection. primary protection. simultaneous protection. back up protection. remote protection. primary protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce proximity effect skin effect ferranti effect interference with neighbouring communication lines proximity effect skin effect ferranti effect interference with neighbouring communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is All of these G-S method N-R method Decoupled method All of these G-S method N-R method Decoupled method ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase ANSWER DOWNLOAD EXAMIANS APP
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