Power Systems If in a line, resistance and reactance are found to be equal and regulation is zero, then load will have unity power factor 0.707 leading power factor 0.707 lagging power factor zero power factor unity power factor 0.707 leading power factor 0.707 lagging power factor zero power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following are the fertile materials U238 and Th239. U233 and Pu239. U238 and Th232. U238 and Pu239. U238 and Th239. U233 and Pu239. U238 and Th232. U238 and Pu239. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 3 × 106 kWh. 4.06 × 106 kWh. 2.044 × 106 kWh. 5 × 106 kWh. 3 × 106 kWh. 4.06 × 106 kWh. 2.044 × 106 kWh. 5 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Over voltage Failure of prime mover of the generator All of these Failure of excitation Over voltage Failure of prime mover of the generator All of these Failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/s 0.0312 m/s 159.24 m/µs 32 m/s 159.24 m/s 0.0312 m/s 159.24 m/µs 32 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors in EHV transmission lines decrease capacitance increase capacitance increase inductance decrease inducatance decrease capacitance increase capacitance increase inductance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP