Power Systems The fact that current density is higher at the surface when compared to centre is known as skin effect All of these carona proximity effect skin effect All of these carona proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? any of the above Mho relays Admittance relays Impedance relays any of the above Mho relays Admittance relays Impedance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? through faults faults within a generator both 1 and 2 faults within a transformer through faults faults within a generator both 1 and 2 faults within a transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Unreliable convergence A good initial guess for voltages is essential for convergence Slow convergence Choice of slack bus affects the convergence Unreliable convergence A good initial guess for voltages is essential for convergence Slow convergence Choice of slack bus affects the convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona charging current increases interference decreases power loss decreases All of these charging current increases interference decreases power loss decreases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of kJ / S. HP. W. kWh. kJ / S. HP. W. kWh. ANSWER DOWNLOAD EXAMIANS APP