Power Systems Surge impedance loading (SIL) is represented by Vl²*√(C/L) Vl²/Zs Vph²/Zs both 1 and 2 Vl²*√(C/L) Vl²/Zs Vph²/Zs both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 400 MVA 500 MVA 125 MVA 100 MVA 400 MVA 500 MVA 125 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLG. LL. LLLG. LG. LLG. LL. LLLG. LG. 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 7166.67 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. 7562 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect shows that the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is lower at the surface of the condutor current density is more at the surface of the condutor the distribution of AC current is uniform through the cross section of the conductor current density is more at the centre of the condutor current density is lower at the surface of the condutor current density is more at the surface of the condutor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver silicon oxide copper any of the above silver silicon oxide copper any of the above ANSWER DOWNLOAD EXAMIANS APP
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