Power Systems Which type of connection is employed for current transformers for the protection of star- delta connected 3-phase transformer? delta-delta delta-star star-star star-delta delta-delta delta-star star-star star-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants will take long period in erection and installation Nuclear. Gas turbine. Hydro Power Plant Thermal. Nuclear. Gas turbine. Hydro Power Plant Thermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between 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. the turbine and discharge drain. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 9.936 pu 10.936 pu 8.936 pu 7.936 pu 9.936 pu 10.936 pu 8.936 pu 7.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called coasting time. stopping time. damping time. settling time. coasting time. stopping time. damping time. settling time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? nether 1 nor 2 Bus admittance matrix is a sparse matrix both 1 and 2 Bus impedance matrix is a full matrix nether 1 nor 2 Bus admittance matrix is a sparse matrix both 1 and 2 Bus impedance matrix is a full matrix ANSWER DOWNLOAD EXAMIANS APP
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