Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Choice of slack bus affects the convergence Unreliable convergence Slow convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence Unreliable convergence Slow convergence A good initial guess for voltages is essential for convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Any of these. Air blast CB. Oil CB. Vacuum CB. Any of these. Air blast CB. Oil CB. Vacuum CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following produces the radio interference in communication lines? electro static induction both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 23060 J. 25060 J. 20160 J. 20060 J. 23060 J. 25060 J. 20160 J. 20060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, sag increase neither 1 nor 2 both 1 and 2 tension decrease sag increase neither 1 nor 2 both 1 and 2 tension decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase 17.32 kV/phase ANSWER DOWNLOAD EXAMIANS APP
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