Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 20 kV 83.76 kV 48.36 kV 52.84 kV 20 kV 83.76 kV 48.36 kV 52.84 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, All of these power loss increases interference increases charging current increases All of these power loss increases interference increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is none of these. a mass of fissionable material required to stop a chain reaction. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. none of these. a mass of fissionable material required to stop a chain reaction. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis both 1 and 2 nether 1 nor 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis T on Y-axis and S and T on on X-axis both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase, 5 kV, 5 MVA system, what is the base impedance? 50 ohms 0.5 ohm 5 ohms 500 ohms 50 ohms 0.5 ohm 5 ohms 500 ohms ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is both 1 and 3 3×IR0 × Xn IN × Xn IR0 × Xn both 1 and 3 3×IR0 × Xn IN × Xn IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP
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