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? 2000 Ω 3000 Ω 1500 Ω 750 Ω 2000 Ω 3000 Ω 1500 Ω 750 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over voltages due to indirect lightning stroke. direct strokes of lightning. power frequency of over voltages. over currents due to lightning stroke. over voltages due to indirect lightning stroke. direct strokes of lightning. power frequency of over voltages. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Francis Kaplan None of these Pelton Francis Kaplan None of these Pelton ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. less than that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 10 20 4 8 10 20 4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on the lighting voltage. corona. the switch voltage. R × I. the lighting voltage. corona. the switch voltage. R × I. ANSWER DOWNLOAD EXAMIANS APP
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