Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? any of the above RMS and Instantaneous value Instantaneous and RMS value RMS and RMS value any of the above RMS and Instantaneous value Instantaneous and RMS value RMS and RMS value ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a None of above. Base load station. Peak load station. Minimum load station. None of above. Base load station. Peak load station. Minimum load station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Nuclear power plant. Hydro electric power plant. Thermal power plant. Gas turbine plant. Nuclear power plant. Hydro electric power plant. Thermal power plant. Gas turbine plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is 0.5 0.6 1 0.75 0.5 0.6 1 0.75 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 14 %. None of above 28 %. 56 %. 14 %. None of above 28 %. 56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 82% 76% 78% 80% 82% 76% 78% 80% ANSWER DOWNLOAD EXAMIANS APP