Power Systems The most commonly used material for insulators of overhead lines is porcelain PVC mica glass porcelain PVC mica glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems In kaplan runner, the number of blades is generally of the order of 16 - 24. 12 - 16. 3 - 6. 1 - 2. 16 - 24. 12 - 16. 3 - 6. 1 - 2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Unreliable convergence Choice of slack bus affects the convergence A good initial guess for voltages is essential for convergence Slow convergence Unreliable convergence Choice of slack bus affects the convergence A good initial guess for voltages is essential for convergence Slow convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? over current relays both 1 and 2 Buccholz relays Differential relays over current relays both 1 and 2 Buccholz relays Differential relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power and the transmission line is compensated with a series capacitance of 0.5 Pu. Find the load angle with series capacitance compensation ? 29° 35.5° 10.5° 14.5° 29° 35.5° 10.5° 14.5° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 855.26 Ω 625.35 Ω 265.25 Ω 0.844 Ω 855.26 Ω 625.35 Ω 265.25 Ω 0.844 Ω ANSWER DOWNLOAD EXAMIANS APP
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