Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 500 ohms 5 ohms 0.5 ohm 50 ohms 500 ohms 5 ohms 0.5 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 555×555 553×553 554×554 540×540 555×555 553×553 554×554 540×540 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor carries more current on surface as compared to core. This is called as corona effect All of these unsymmetrical fault skin effect corona effect All of these unsymmetrical fault skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems One atomic mass unit is equivalent to 180.5 MeV. 931.4 MeV. 251.2 MeV. 120.4 MeV. 180.5 MeV. 931.4 MeV. 251.2 MeV. 120.4 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of medium lines. long lines. short lines. none of these. medium lines. long lines. short lines. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity ANSWER DOWNLOAD EXAMIANS APP
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