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 Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Vacuum CB. Any of these. Oil CB. Air blast CB. Vacuum CB. Any of these. Oil CB. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in boilers high energy loss in condenser low steam turbine mechanical efficiency low alternator efficiency high energy loss in boilers high energy loss in condenser low steam turbine mechanical efficiency low alternator efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Temperature Short circuit any of the above Over load Temperature Short circuit any of the above Over load ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for discharging residual energies measuring of safety voltage protection of equipment from ground faults All of these discharging residual energies measuring of safety voltage protection of equipment from ground faults All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by None of these either 1 or 2 increasing voltage level reducing reactance None of these either 1 or 2 increasing voltage level reducing reactance ANSWER DOWNLOAD EXAMIANS APP
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