Power Systems Which of the following faults is/are treated as external faults? Failure of prime mover of the generator Failure of excitation Over voltage All of these Failure of prime mover of the generator Failure of excitation Over voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear fission means breaking up of nuclear of heavy atoms into nearly equal parts. moderator. combination of two light nuclei. graphite. breaking up of nuclear of heavy atoms into nearly equal parts. moderator. combination of two light nuclei. graphite. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 2 × 106 kV / sec. 3 × 106 kV / sec. 1 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control All of these Dynamic breaking Fast acting governing system Fast acting excitation control All of these Dynamic breaking Fast acting governing system ANSWER DOWNLOAD EXAMIANS APP
Power Systems Communications lines are treated as long transmission lines any of the above short transmission lines medium transmission lines long transmission lines any of the above short transmission lines medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? All of these To collect the dust particles from the flue gases To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard All of these To collect the dust particles from the flue gases To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard ANSWER DOWNLOAD EXAMIANS APP
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