Power Systems If the load is short circuited, then reflection coefficient of voltage is 1 -2 0 -1 1 -2 0 -1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Over fluxing relay Differential relay Over current relay Buchholz relay Over fluxing relay Differential relay Over current relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? A good initial guess for voltages is essential for convergence Unreliable convergence Choice of slack bus affects the convergence Slow convergence A good initial guess for voltages is essential for convergence Unreliable convergence Choice of slack bus affects the convergence Slow convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 8 4 10 20 8 4 10 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines A = D = 1 Is = Ir All of these B = C = Z A = D = 1 Is = Ir All of these B = C = Z ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona power loss decreases All of these charging current increases interference decreases power loss decreases All of these charging current increases interference decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS