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? 0.882 0.93 1.13 1 0.882 0.93 1.13 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To keep the air heaters clean To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard All of these To keep the air heaters clean To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by violet visible light power loss and interference hissing sound All of these violet visible light power loss and interference hissing sound All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line decrease None of these increase remains same decrease None of these increase remains same ANSWER DOWNLOAD EXAMIANS APP
Power Systems If all the sequence voltages at the fault point in a power system are equal, then the fault point is a LL LLG LLL LG LL LLG LLL LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Isolator in sub station is open under ------------- condition? no load short circuit any of the above full load no load short circuit any of the above full load ANSWER DOWNLOAD EXAMIANS APP
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