Power Systems What type of back up protection is used for alternators? Impedance relay. Mho relay. IDMT relay. Buchholz relay. Impedance relay. Mho relay. IDMT relay. Buchholz relay. 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 j1 pu j9 pu j6 pu j3 pu j1 pu j9 pu j6 pu j3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by hissing sound power loss and interference violet visible light All of these hissing sound power loss and interference violet visible light All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the thermal efficiency both 2 and 3 increase the thermal efficiency reduce the heat reduce the thermal efficiency both 2 and 3 increase the thermal efficiency reduce the heat ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 3000 Ω 750 Ω 1500 Ω 2000 Ω 3000 Ω 750 Ω 1500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Steady state stability of a power system is improved by single pole switching decreasing generator inertia All of these using double circuit line instead of single circuit line single pole switching decreasing generator inertia All of these using double circuit line instead of single circuit line ANSWER DOWNLOAD EXAMIANS APP
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