Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 2.9 kHz 290 kHz 29 MHz 29 kHz 2.9 kHz 290 kHz 29 MHz 29 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to any of the above 150 km 80 km 40 km any of the above 150 km 80 km 40 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Calorific value of solid fuel is expressed as Cal / lt. Cal / gm. KCal / gm. KCal / lt. Cal / lt. Cal / gm. KCal / gm. KCal / lt. 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? 1.13 0.882 1 0.93 1.13 0.882 1 0.93 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants needs highly skilled/qualified engineers for its operation Hydro Power Plant Thermal. Nuclear. Gas-turbine. Hydro Power Plant Thermal. Nuclear. Gas-turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20060 J. 25060 J. 23060 J. 20160 J. 20060 J. 25060 J. 23060 J. 20160 J. ANSWER DOWNLOAD EXAMIANS APP