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? 90% 75% 86%% 50% 90% 75% 86%% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is zero larger less any of the above zero larger less any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear power plant are used as none of above. intermediate load plants. base load plants. peak load plants. none of above. intermediate load plants. base load plants. peak load plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? Inter phase faults All of these failure of excitation over current Inter phase faults All of these failure of excitation over current ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 3d 2d d 5d 3d 2d d 5d ANSWER DOWNLOAD EXAMIANS APP