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 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator None of these. Oxygen cooling. Hydrogen cooling. Nitrogen cooling. None of these. Oxygen cooling. Hydrogen cooling. Nitrogen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The thermal efficiency of BWR is greater than that of PWR. equal to that of PWR. None of these less than that of PWR. greater than that of PWR. equal to that of PWR. None of these less than that of PWR. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In triangular configuration, inductance and capacitance values are ------ and ------ respectively less, less higher, higher less, higher higher, less less, less higher, higher less, higher higher, less ANSWER DOWNLOAD EXAMIANS APP
Power Systems When is the ferranti effect on long overhead lines experienced? The line is lightly loaded The power factor is unity The line is fully loaded The line is heavily loaded The line is lightly loaded The power factor is unity The line is fully loaded The line is heavily loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
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