Power Systems The area under a flow duration curve represents maximum rate of run-off during the period. total of units of energy available. total quantity of run-off during that period. total power available. maximum rate of run-off during the period. total of units of energy available. total quantity of run-off during that period. total power available. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is 10. 20. 5. 55.1. 10. 20. 5. 55.1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence negative sequence zero sequence any of the above positive sequence negative sequence zero sequence any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency increasing the radius of the conductor increasing the distance between the conductor All of these decreasing the supply frequency increasing the radius of the conductor increasing the distance between the conductor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. economizer. ash handling point. air preheater. superheater. economizer. ash handling point. air preheater. superheater. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation (Z1 = Z2) < Z0 Z1 = Z2 = Z0 any of the above (Z1 = Z2) > Z0 (Z1 = Z2) < Z0 Z1 = Z2 = Z0 any of the above (Z1 = Z2) > Z0 ANSWER DOWNLOAD EXAMIANS APP