Power Systems If skin depth is more, then skin effect is less either 1 or 2 None of these more less either 1 or 2 None of these more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? None of these electro static induction both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1250 MW 1500 MW 1000 MW 750 MW 1250 MW 1500 MW 1000 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 160 Ω 400 Ω 800 Ω 200 Ω 160 Ω 400 Ω 800 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against power frequency of over voltages. direct strokes of lightning. over voltages due to indirect lightning stroke. over currents due to lightning stroke. power frequency of over voltages. direct strokes of lightning. over voltages due to indirect lightning stroke. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? any of the above zero sequence negative sequence positive sequence any of the above zero sequence negative sequence positive sequence ANSWER DOWNLOAD EXAMIANS APP