Power Systems Which of the following is/are the stator faults? All of these over current failure of excitation Inter phase faults All of these over current failure of excitation Inter phase faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in bituminous coal. anthracite coal. lignite coal. coal gas. bituminous coal. anthracite coal. lignite coal. coal gas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (2 + j4 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (2 + j4 ) pu (1 + j2 ) pu (0.5 + j1 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? positive sequence any of the above negative sequence zero sequence positive sequence any of the above negative sequence zero sequence ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.1 mH/Km 0.025 mH/Km 0.05 mH/Km 0 mH/Km 0.1 mH/Km 0.025 mH/Km 0.05 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as product of efficiencies of all stages. turbine efficiency. generator efficiency. efficiency of thermal cycle. product of efficiencies of all stages. turbine efficiency. generator efficiency. efficiency of thermal cycle. ANSWER DOWNLOAD EXAMIANS APP
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