Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1.13 1 1.25 0.89 1.13 1 1.25 0.89 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. lagging. unity. zero. leading. lagging. unity. zero. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is 0.5 unity 0 leading 0.707 leading 0.5 unity 0 leading 0.707 leading ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? 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 To keep the air heaters clean To collect the dust particles from the flue gases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? Mho relays Impedance relays Admittance relays any of the above Mho relays Impedance relays Admittance relays any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plat work Bell - Coleman cycle. Rankine cycle. Carnot cycle. Otto cycle. Bell - Coleman cycle. Rankine cycle. Carnot cycle. Otto cycle. ANSWER DOWNLOAD EXAMIANS APP
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