Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. lagging. zero. unity. leading. lagging. zero. unity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line medium transmission line any of the above short transmission line long transmission line medium transmission line any of the above short transmission line long transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? RMS and Instantaneous value any of the above RMS and RMS value Instantaneous and RMS value RMS and Instantaneous value any of the above RMS and RMS value Instantaneous and RMS value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/8T S = wl²/4T S = wl²/2T S = wl²/16T S = wl²/8T S = wl²/4T S = wl²/2T S = wl²/16T ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 440 V 33 kV 11 kV 230 V 440 V 33 kV 11 kV 230 V ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu Zs = 0.6 pu, Zm =0.5 pu Zs = 0.2 pu, Zm =0.7 pu Zs = 0.5 pu, Zm =0.6 pu Zs = 0.7 pu, Zm =0.2 pu ANSWER DOWNLOAD EXAMIANS APP