Power Systems The most commonly used material for insulators of overhead lines is PVC porcelain glass mica PVC porcelain glass mica ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants can generate power at unpredictable or uncontrollable time Wind turbine. Condenser. Cooling tower. Pulverising unit. Wind turbine. Condenser. Cooling tower. Pulverising unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 1 F 4 F 2 F 0.5 F 1 F 4 F 2 F 0.5 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is used in thermal plants Otto cycle Rankine cycle All of these Joule cycle Otto cycle Rankine cycle All of these Joule cycle ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, charging current increases interference increases All of these power loss increases charging current increases interference increases All of these power loss increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j6 pu j9 pu j1 pu j3 pu j6 pu j9 pu j1 pu j3 pu ANSWER DOWNLOAD EXAMIANS APP