Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 1.47 msec 2.63 msec 9.68 msec 4.68 msec 1.47 msec 2.63 msec 9.68 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? d 2d 5d 3d d 2d 5d 3d ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Nuclear power plant. Hydro electric power plant. Thermal power plant. Gas turbine plant. Nuclear power plant. Hydro electric power plant. Thermal power plant. Gas turbine plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Merze price current scheme protection is used in transformer. bus bars. both A and B. alternator. transformer. bus bars. both A and B. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 13 10 21 20 13 10 21 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 200 - 205 mm. 40 mm. 300 mm. 20 - 25 mm. 200 - 205 mm. 40 mm. 300 mm. 20 - 25 mm. ANSWER DOWNLOAD EXAMIANS APP