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 All of these To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean To collect the dust particles from the flue gases All of these To remove dust particles setting on the bus bar conductors in the station switch yard ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, charging current increases power loss increases interference increases All of these charging current increases power loss increases interference increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Gauss constant Acceleration factor Lagrange multiplier Blocking factor Gauss constant Acceleration factor Lagrange multiplier Blocking factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under excited Synchronous phase modifier works as any of the above shunt reactor series capacitor shunt capacitor any of the above shunt reactor series capacitor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding reactance grounding isolated grounding All of these resistance grounding reactance grounding isolated grounding All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 5 pu 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu ANSWER DOWNLOAD EXAMIANS APP
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