Power Systems Buchholz relay is used for protection of none of these. transformer. alternator. bus bar. none of these. transformer. alternator. bus bar. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 75% 90% 50% 86%% 75% 90% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 40 mm. 200 - 205 mm. 300 mm. 20 - 25 mm. 40 mm. 200 - 205 mm. 300 mm. 20 - 25 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square root of the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. the rate at which fission reaction occurs. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for unity power factor lagging power factor leading power factor All of these unity power factor lagging power factor leading power factor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? coal based thermal power plant gas based thermal power plant nuclear plant pumped storage hydro power plant coal based thermal power plant gas based thermal power plant nuclear plant pumped storage hydro power plant ANSWER DOWNLOAD EXAMIANS APP
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