Power Systems For some given transmission line the expression for voltage regulation is given by (Vs - Vr)/Vr *100%. Hence, None of these this expression is true for any line this may either be a medium line or short line this must be a short line None of these this expression is true for any line this may either be a medium line or short line this must be a short line 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 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. 4.65 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 2.26 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on relative permeability distance between the conductors All of these frequency relative permeability distance between the conductors All of these frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. power frequency of over voltages. over voltages due to indirect lightning stroke. direct strokes of lightning. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to increase the acting head on the water wheel. None of these reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is used in thermal plants Joule cycle All of these Rankine cycle Otto cycle Joule cycle All of these Rankine cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP
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