Power Systems Which of the following faults is/are treated as external faults? Failure of excitation All of these Over voltage Failure of prime mover of the generator Failure of excitation All of these Over voltage Failure of prime mover of the generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on All of these relative permeability frequency distance between the conductors All of these relative permeability frequency distance between the conductors ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of the cable is doubled, its capacitance C will be unchanged. doubled. one-fourth. one-half. unchanged. doubled. one-fourth. one-half. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 0.075 pu. 0.200 pu. 0.125 pu. 3.000 pu. 0.075 pu. 0.200 pu. 0.125 pu. 3.000 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona All of these charging current increases interference decreases power loss decreases All of these charging current increases interference decreases power loss decreases ANSWER DOWNLOAD EXAMIANS APP
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