Power Systems Reflection coefficient of voltage is Rv 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 82% 76% 80% 78% 82% 76% 80% 78% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, both 1 and 2 sag increase neither 1 nor 2 tension decrease both 1 and 2 sag increase neither 1 nor 2 tension decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased no change in inductance and resistance the resistance is increased the inductance is increased the inductance is decreased no change in inductance and resistance the resistance is increased the inductance is increased the inductance is decreased ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency increasing the radius of the conductor increasing the distance between the conductor All of these decreasing the supply frequency increasing the radius of the conductor increasing the distance between the conductor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.75 0.25 1 0.5 0.75 0.25 1 0.5 ANSWER DOWNLOAD EXAMIANS APP