Power Systems Skin effect depends on relative permeability All of these conductivity frequency relative permeability All of these conductivity frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by increasing the distance between the conductor decreasing the supply frequency All of these increasing the radius of the conductor increasing the distance between the conductor decreasing the supply frequency All of these increasing the radius of the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where is the draft tube of a hydroelectric plant that is an airtight pipe located Near the surge tank. In between the penstock and runner. In between the runner exhaust and the tail race. At the beginning of the penstock. Near the surge tank. In between the penstock and runner. In between the runner exhaust and the tail race. At the beginning of the penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 24. 12. 6. 16. 24. 12. 6. 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLG LG LL LLL LLG LG LL LLL ANSWER DOWNLOAD EXAMIANS APP
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