Power Systems Which of the following is/are the methods of improving transient stability? Dynamic breaking Fast acting governing system All of these Fast acting excitation control Dynamic breaking Fast acting governing system All of these Fast acting excitation control ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power plant is generally used as a/an Base load. Any of above. Peak loads. Standby/emergency plant. Base load. Any of above. Peak loads. Standby/emergency plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is fully loaded The line is lightly loaded The power factor is unity The line is heavily loaded The line is fully loaded The line is lightly loaded The power factor is unity The line is heavily loaded 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 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase 34.64 kV/phase 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems MCB stands for maximum capacity breaker. minimum capacity breaker. miniature circuit breaker. molded circuit breaker. maximum capacity breaker. minimum capacity breaker. miniature circuit breaker. molded circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
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