Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB Sulphur hexafluoride CB Bulk oil type CB Vacuum CB Air blast CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems The unit protection scheme provides primary protection. remote protection. back up protection. simultaneous protection. primary protection. remote protection. back up protection. simultaneous protection. 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? 29 MHz 2.9 kHz 29 kHz 290 kHz 29 MHz 2.9 kHz 29 kHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
Power Systems India 1st nuclear plant was set up at Rana pratap sagar. Tarapur. Bhaba. Kalpakkam. Rana pratap sagar. Tarapur. Bhaba. Kalpakkam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 300 Amp. 350 Amp. 250 Amp. 200 Amp. 300 Amp. 350 Amp. 250 Amp. 200 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? negative sequence any of the above positive sequence zero sequence negative sequence any of the above positive sequence zero sequence ANSWER DOWNLOAD EXAMIANS APP
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