Power Systems Which of the following is used in thermal plants Rankine cycle Otto cycle Joule cycle All of these Rankine cycle Otto cycle Joule cycle All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.02 0.25 0.05 0.025 0.02 0.25 0.05 0.025 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by addition of lumped capacitance in series both 1 and 3 addition of lumped inductance in parallel increasing its voltage level addition of lumped capacitance in series both 1 and 3 addition of lumped inductance in parallel increasing its voltage level 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. Find the load angle? 35° 45° 30° 60° 35° 45° 30° 60° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.30 0.0030 0.60 0.0060 0.30 0.0030 0.60 0.0060 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Slow convergence 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 ANSWER DOWNLOAD EXAMIANS APP
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