Power Systems Condition for maximum voltage regulation tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X tanφ = X/R cosφ = R/X cosφ = X/R tanφ = R/X 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 LL LG LLG LLL LL LG LLG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands in a ACSR conductor are 7, then find the layer number? 2 5 7 3 2 5 7 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to reduce the effect of water hammer. None of these increase the acting head on the water wheel. raise the water surface of the stream to create an artificial head. reduce the effect of water hammer. None of these increase the acting head on the water wheel. raise the water surface of the stream to create an artificial head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is a reaction turbines Kaplan and Pelton turbine. None of these. Francis turbine and Kaplan turbine. Pelton turbine and Francis turbine. Kaplan and Pelton turbine. None of these. Francis turbine and Kaplan turbine. Pelton turbine and Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP