Power Systems If skin depth is more, then skin effect is less None of these either 1 or 2 more less None of these either 1 or 2 more ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is unity. zero. leading. lagging. unity. zero. leading. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively increases and increases decreases and decreases increases and decreases decreases and increases increases and increases decreases and decreases increases and decreases decreases and increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 17.32 kV/phase 82.15 kV/phase 41.075 kV/phase 34.64 kV/phase 17.32 kV/phase 82.15 kV/phase 41.075 kV/phase 34.64 kV/phase 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 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/2T S = wl²/8T S = wl²/16T S = wl²/4T S = wl²/2T S = wl²/8T S = wl²/16T S = wl²/4T ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS