Power Systems Per unit of any quantity is defined as actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units actual value of quantity /base value of quantity in same units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in different units ANSWER DOWNLOAD EXAMIANS APP
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% 6.92% 10% -10% -6.92% 6.92% 10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 meters, which type of turbine is used in hydro power station? Pelton Kaplan Francis None of these Pelton Kaplan Francis None of these 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? 34.64 kV/phase 17.32 kV/phase 41.075 kV/phase 82.15 kV/phase 34.64 kV/phase 17.32 kV/phase 41.075 kV/phase 82.15 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Kaplan wheel. propeller turbine. Pelton wheel. Francis turbine. Kaplan wheel. propeller turbine. Pelton wheel. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 40 %. 60 %. 80 %. 30 %. 40 %. 60 %. 80 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP