Power Systems Earth fault relay uses the which of the following sequence currents? negative sequence positive sequence any of the above zero sequence negative sequence positive sequence any of the above zero sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 200 MJ 400 MJ 8 MJ 50 MJ 200 MJ 400 MJ 8 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is sum of admittances connected at bus j which is connected between bus i and bus j with positive sign sum of admittances connected at bus i which is connected between bus i and bus j with negative sign sum of admittances connected at bus j which is connected between bus i and bus j with positive sign sum of admittances connected at bus i which is connected between bus i and bus j with negative sign ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems The factor affecting run off are amount of vegetation and weather condition in the catchment area. the topography and nature of soil in the catchment area. all of above. rain fall pattern, shape and size of catchment area. amount of vegetation and weather condition in the catchment area. the topography and nature of soil in the catchment area. all of above. rain fall pattern, shape and size of catchment area. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following circuit breakers produce least arc energy? Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. Air blast CB. Minimum oil CB. Air break CB. Plain oil CB. ANSWER DOWNLOAD EXAMIANS APP
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