Power Systems Equal area criteria is used for either 1 or 2 nether 1 nor 2 relative stability of the system absolute stability of the system either 1 or 2 nether 1 nor 2 relative stability of the system absolute stability of the system ANSWER DOWNLOAD EXAMIANS APP
Power Systems What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV? 0.75. 0.90. 1.20. 1.05. 0.75. 0.90. 1.20. 1.05. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona All of these interference decreases charging current increases power loss decreases All of these interference decreases charging current increases power loss decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for compensation of arcing grounds increase the voltage level reduce ferranti effect improve power factor compensation of arcing grounds increase the voltage level reduce ferranti effect improve power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 75% 90% 86%% 50% 75% 90% 86%% 50% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS