Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 10% -6.92% -10% 6.92% 10% -6.92% -10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1 0.93 1.13 0.882 1 0.93 1.13 0.882 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by Y bus method either 1 or 2 Z bus method None of these Y bus method either 1 or 2 Z bus method None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 1/3ω²C 3ω²C ω²C/3 3/ω²C 1/3ω²C 3ω²C ω²C/3 3/ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a transmission line the insulators to be used at the dead end or sharp curves are any of the above strain type suspension type pin type insulator any of the above strain type suspension type pin type insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency decrease None of these increase remains unaffected decrease None of these increase remains unaffected ANSWER DOWNLOAD EXAMIANS APP