Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. stopping time. settling time. coasting time. damping time. stopping time. settling time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 10 MW 15 MW 5 MW 20 MW 10 MW 15 MW 5 MW 20 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 265.25 Ω 855.26 Ω 625.35 Ω 0.844 Ω 265.25 Ω 855.26 Ω 625.35 Ω 0.844 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 1 pu 5 pu 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line decrease increase remains same None of these decrease increase remains same None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plant work? Carnot cycle Bell-Coleman cycle Otto cycle Rankine cycle Carnot cycle Bell-Coleman cycle Otto cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS