Power Systems Lightning arresters are used to protect electrical equipment against 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. over voltages due to indirect lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H1.25. none of these. N√( P ) / H2/3. P√( N ) / H3/2. N√( P ) / H1.25. none of these. N√( P ) / H2/3. P√( N ) / H3/2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an interconnected power system, the most suitable power plant to meet the peak load condition is thermal plant hydro power plant pumped storage plant nuclear plant thermal plant hydro power plant pumped storage plant nuclear plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following frequency control method tie line may be overloaded? parallel frequency flat frequency control All of these flat tie line control parallel frequency flat frequency control All of these flat tie line control ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is less more None of these either 1 or 2 less more None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is Decoupled method N-R method All of these G-S method Decoupled method N-R method All of these G-S method ANSWER DOWNLOAD EXAMIANS APP
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