Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lag 0.8 lead 0.6 lead 0.8 lag 0.6 lag 0.8 lead 0.6 lead 0.8 lag ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pumped storage plant is a peak load plant None of these both 1 and 2 base load plant peak load plant None of these both 1 and 2 base load plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 32 kV 45 kV 36 kV 40 kV 32 kV 45 kV 36 kV 40 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 25.8 mH. 23.33 mH. 23.8 mH. 21.2 mH. 25.8 mH. 23.33 mH. 23.8 mH. 21.2 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 1.476 A. 1 A. 14.7 mA. 14.76 A. 1.476 A. 1 A. 14.7 mA. 14.76 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, this expression is true for any line None of these this may either be a medium line or short line this must be a short line this expression is true for any line None of these this may either be a medium line or short line this must be a short line ANSWER DOWNLOAD EXAMIANS APP