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 sinωt? 9.68 msec 4.68 msec 1.47 msec 2.63 msec 9.68 msec 4.68 msec 1.47 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is lubrication oil pumps. none of above. coal handling plant. conveyors. lubrication oil pumps. none of above. coal handling plant. conveyors. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is 2 16 10 6 2 16 10 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems One fission of U235 releases energy of 525 MeV. 335 MeV. 435 MeV. 200 MeV. 525 MeV. 335 MeV. 435 MeV. 200 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce interference with neighbouring communication lines proximity effect ferranti effect skin effect interference with neighbouring communication lines proximity effect ferranti effect skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? skin effect lighting voltage radio interference switching over voltage skin effect lighting voltage radio interference switching over voltage ANSWER DOWNLOAD EXAMIANS APP