Power Systems Buchholz relay is used for protection of transformer. alternator. bus bar. none of these. transformer. alternator. bus bar. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? star-star delta-star delta-delta star-delta star-star delta-star delta-delta star-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the turbine and discharge drain. none of above. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. the turbine and discharge drain. none of above. the heat ex-changer and the turbine in nuclear power plant. the dam and the turbine in a hydro station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting governing system Dynamic breaking Fast acting excitation control All of these Fast acting governing system Dynamic breaking Fast acting excitation control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively increases and increases decreases and decreases decreases and increases increases and decreases increases and increases decreases and decreases decreases and increases increases and decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line None of them. 0.018 per Km. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. None of them. 0.018 per Km. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. ANSWER DOWNLOAD EXAMIANS APP