Power Systems Lightning arresters are used to protect electrical equipment against over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a thermal power plant, which of its following components needs maximum maintenance attention Super heater. Steam turbine. Boiler. Condenser. Super heater. Steam turbine. Boiler. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bonding is done at the both ends of the cable to reduce the sheath loss None of these copper loss iron loss sheath loss None of these copper loss iron loss 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? 750 Ω 3000 Ω 2000 Ω 1500 Ω 750 Ω 3000 Ω 2000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of same in both cases None of these over head lines power cables same in both cases None of these over head lines power cables ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine axial flow any of the above impulsive inward radial flow axial flow any of the above impulsive inward radial flow ANSWER DOWNLOAD EXAMIANS APP
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