Power Systems As the frequency of the system is increased, the charging MVAR remains unaffected increases None of these decreases remains unaffected increases None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 3ω²C 1/3ω²C ω²C/3 3/ω²C 3ω²C 1/3ω²C ω²C/3 3/ω²C ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for protection of equipment from ground faults discharging residual energies All of these measuring of safety voltage protection of equipment from ground faults discharging residual energies All of these measuring of safety voltage ANSWER DOWNLOAD EXAMIANS APP
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 The function of a surge tank is to supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. none of above. supply water at constant pressure. relieve water hammer pressure in the penstock. produce surge in the pipeline. none of above. 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? 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV 36 kV 32 kV ANSWER DOWNLOAD EXAMIANS APP
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