Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 12. 6. 24. 16. 12. 6. 24. 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 500 MW 750 MW 1250 MW 250 MW 500 MW 750 MW 1250 MW 250 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.05 mH/Km 0.025 mH/Km 0.1 mH/Km 0 mH/Km 0.05 mH/Km 0.025 mH/Km 0.1 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Pelton. Francis. Kaplan. Impeller. Pelton. Francis. Kaplan. Impeller. 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 0.0312 m/s 159.24 m/s 159.24 m/µs 32 m/s 0.0312 m/s 159.24 m/s 159.24 m/µs 32 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator All of these Over voltage Failure of excitation Failure of prime mover of the generator All of these Over voltage Failure of excitation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS