Power Systems Which of the following decides the insulation level of 400 kV, EHV line? switching over voltage lighting voltage radio interference skin effect switching over voltage lighting voltage radio interference skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as carona All of these skin effect proximity effect carona All of these skin effect proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. propeller turbine. Pelton wheel. Kaplan wheel. Francis turbine. propeller turbine. Pelton wheel. Kaplan wheel. 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 negative sign sum of admittances connected at bus i which is connected between bus i and bus j with positive sign sum of admittances connected at bus j which is connected between bus i and bus j with negative sign sum of admittances connected at bus i which is connected between bus i and bus j with positive sign ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by power loss and interference violet visible light hissing sound All of these power loss and interference violet visible light hissing sound All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 2 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
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