Power Systems Rankine cycle efficiency of a steam power plant is of 30 - 45 %. 45 - 80 %. 20 - 30 %. 60 - 80 %. 30 - 45 %. 45 - 80 %. 20 - 30 %. 60 - 80 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 478 MW 400 MW 386 MW 456 MW 478 MW 400 MW 386 MW 456 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 1500 Ω 3000 Ω 2000 Ω 500 Ω 1500 Ω 3000 Ω 2000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as skin effect carona All of these proximity effect skin effect carona All of these proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called stopping time. settling time. damping time. coasting time. stopping time. settling time. damping time. coasting 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. 7166.67 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
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