Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? either 1 or 2 False True None of these either 1 or 2 False True None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. unity. lagging. zero. leading. unity. lagging. zero. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Pulversing unit. Ash handling unit. Cooling tower. Condenser. Pulversing unit. Ash handling unit. Cooling tower. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -2 0 -1 1 -2 0 -1 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona interference decreases charging current increases All of these power loss decreases interference decreases charging current increases All of these power loss decreases 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 540×540 553×553 554×554 555×555 540×540 553×553 554×554 555×555 ANSWER DOWNLOAD EXAMIANS APP
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