Power Systems The insulator thickness on the conductor, in cables depends upon power factor voltage reactive power current power factor voltage reactive power current ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 17.32 kV/phase 34.64 kV/phase 41.075 kV/phase 82.15 kV/phase 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 String efficiency depends upon all of these. voltage rating of whole string. voltage rating of one SCR. no. of SCR in the string. all of these. voltage rating of whole string. voltage rating of one SCR. no. of SCR in the string. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? any voltage above 33 kV 31.35 to 34.65 kV 25 to 35 kV 33 to 50 kV any voltage above 33 kV 31.35 to 34.65 kV 25 to 35 kV 33 to 50 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.13 1.25 0.89 1 1.13 1.25 0.89 ANSWER DOWNLOAD EXAMIANS APP