Power Systems Mho relay is used for protection of long lines. none of these. short lines. medium lines. long lines. none of these. short lines. medium lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 4.45 kW 19.60 kW 9.81 kW 2.90 kW 4.45 kW 19.60 kW 9.81 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 10 90 9000 1000 10 90 9000 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. 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? delta-delta star-star star-delta delta-star delta-delta star-star star-delta delta-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 50 kA. 55 kA. 35 kA. 45 kA. 50 kA. 55 kA. 35 kA. ANSWER DOWNLOAD EXAMIANS APP