Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? delta-star star-delta delta-delta star-star delta-star star-delta delta-delta star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. R × I. corona. the switch voltage. the lighting voltage. R × I. corona. the switch voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 36 kV 32 kV 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following generating plants has the minimum operating cost Hydroelectric plant. Steam plant. Nuclear plant. Diesel plant. Hydroelectric plant. Steam plant. Nuclear plant. Diesel plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by reducing reactance either 1 or 2 None of these increasing voltage level reducing reactance either 1 or 2 None of these increasing voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 400 MJ 200 MJ 8 MJ 50 MJ 400 MJ 200 MJ 8 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP