Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 3600 A. 104.8 kA. 1200 A. 35 kA. 3600 A. 104.8 kA. 1200 A. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 30° 45° 35° 60° 30° 45° 35° 60° 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 6.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 8.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following plants is/are base load plants both 1 and 2 run off river nuclear pump storage both 1 and 2 run off river nuclear pump storage ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are differential protection. both fault bus and differential protection. fault bus protection. none of these. differential protection. both fault bus and differential protection. fault bus protection. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? pin insulator strain insulator string insulator All of these pin insulator strain insulator string insulator All of these ANSWER DOWNLOAD EXAMIANS APP