Power Systems Lightning arresters are made up of which material? copper silicon oxide any of the above silver copper silicon oxide any of the above silver ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j300 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j300 ohm. A resistance of j100/3 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Mho relay. IDMT relay. Impedance relay. Buchholz relay. Mho relay. IDMT relay. Impedance relay. Buchholz relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix? 0.75 0.4 0.5 0.25 0.75 0.4 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against overload. short circuit. over voltage. temperature. overload. short circuit. over voltage. temperature. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When reactance grounding is used in network, the voltage between neutral and ground is both 1 and 3 IR0 × Xn IN × Xn 3×IR0 × Xn both 1 and 3 IR0 × Xn IN × Xn 3×IR0 × Xn ANSWER DOWNLOAD EXAMIANS APP