Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. coasting time. settling time. stopping time. damping time. coasting time. settling time. stopping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7268.45 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7000 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as carona proximity effect skin effect All of these carona proximity effect skin effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Corona is accompanied by All of these hissing sound power loss and interference violet visible light All of these hissing sound power loss and interference violet visible light ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for compensation of arcing grounds improve power factor reduce ferranti effect increase the voltage level compensation of arcing grounds improve power factor reduce ferranti effect increase the voltage level ANSWER DOWNLOAD EXAMIANS APP
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