Power Systems Critical mass is none of these. maximum mass of fissionable material required to sustain a chain reaction. a mass of fissionable material required to stop a chain reaction. minimum mass of fissionable material required to sustain chain reaction. none of these. maximum mass of fissionable material required to sustain a chain reaction. a mass of fissionable material required to stop a chain reaction. minimum mass of fissionable material required to sustain chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by both 1 and 3 addition of lumped inductance in parallel increasing its voltage level addition of lumped capacitance in series both 1 and 3 addition of lumped inductance in parallel increasing its voltage level addition of lumped capacitance in series ANSWER DOWNLOAD EXAMIANS APP
Power Systems More efficient plants are used as peak load plant both 1 and 2 None of these base load plant peak load plant both 1 and 2 None of these base load plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 15% 11.8% 88.2% 85% 15% 11.8% 88.2% 85% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against 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. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of no length criterion. medium length lines. short length lines. long transmission lines. no length criterion. medium length lines. short length lines. long transmission lines. ANSWER DOWNLOAD EXAMIANS APP
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