Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 9.68 2.63 msec 1.47 msec 4.68 msec 9.68 2.63 msec 1.47 msec 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems One atomic mass unit is equivalent to 251.2 MeV. 180.5 MeV. 931.4 MeV. 120.4 MeV. 251.2 MeV. 180.5 MeV. 931.4 MeV. 120.4 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In boiler water reactor (BWR) enriched uranium is used as fuel. there is danger of radioactive contamination of steam. the feed water acts both coolant and a moderator. all of above. enriched uranium is used as fuel. there is danger of radioactive contamination of steam. the feed water acts both coolant and a moderator. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are thermal. both A and B. hydro. gas turbine. thermal. both A and B. hydro. gas turbine. ANSWER DOWNLOAD EXAMIANS APP