Power Systems Plug setting of a relay can be altered by varying no. of ampere-turns. none of these. air gap of magnetic path. adjustable back up stop. no. of ampere-turns. none of these. air gap of magnetic path. adjustable back up stop. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are thermal. hydro. both A and B. gas turbine. thermal. hydro. both A and B. gas turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 85% 88.2% 11.8% 15% 85% 88.2% 11.8% 15% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. is the same as that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Pelton None of these Kaplan Francis Pelton None of these Kaplan Francis ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method G-S method N-R method All of these Decoupled method G-S method N-R method All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS