Power Systems Which of the following statements is true? Corona loss increases with increase in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency increase in conductor size and decrease in supply frequency increase in conductor size and increase in supply frequency decrease in conductor size and decrease in supply frequency decrease in conductor size and increase in supply frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Y bus matrix Unit matrix null matrix Z bus matrix Y bus matrix Unit matrix null matrix Z bus matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? 18.18 kV 81.82 kV -18.18 kV -81.82 kV 18.18 kV 81.82 kV -18.18 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 89.22 kVA. 49 kVA. 70 kVA. 35 kVA. 89.22 kVA. 49 kVA. 70 kVA. 35 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference skin effect lighting voltage switching over voltage radio interference skin effect lighting voltage switching over voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earth fault relay uses the which of the following sequence currents? negative sequence zero sequence any of the above positive sequence negative sequence zero sequence any of the above positive sequence ANSWER DOWNLOAD EXAMIANS APP
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