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 76% 80% 82% 78% 76% 80% 82% 78% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver copper silicon oxide any of the above silver copper silicon oxide any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to regenerative cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, interference increases charging current increases power loss increases All of these interference increases charging current increases power loss increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Nuclear. Hydroelectric. Steam. Diesel engine. Nuclear. Hydroelectric. Steam. Diesel engine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LL LLL LLG LG LL LLL LLG LG ANSWER DOWNLOAD EXAMIANS APP
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