Power Systems If the conductor diameter decreases, inductance of the line, decreases None of these remains unaffected increases decreases None of these remains unaffected increases 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? 34.64 kV/phase 41.075 kV/phase 17.32 kV/phase 82.15 kV/phase 34.64 kV/phase 41.075 kV/phase 17.32 kV/phase 82.15 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in reduction of KVA rating of distribution transformers All of these improved voltage regulation reduction in distribution power loss reduction of KVA rating of distribution transformers All of these improved voltage regulation reduction in distribution power loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of reflector is to bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. none of above. reduce the speed of the neutrons. bounce back most of the neutrons that escape from the fuel core. stop the chain reaction. none of above. reduce the speed of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Low ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 High ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 10 20 4 8 10 20 4 ANSWER DOWNLOAD EXAMIANS APP
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