Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 250 450 900 500 250 450 900 500 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased no change in inductance and resistance the inductance is decreased the inductance is increased the resistance is increased no change in inductance and resistance the inductance is decreased the inductance is increased the resistance is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems String chart is drawn between temperature (T) on X- axis, sag(S) and tension (T) on Y-axis nether 1 nor 2 T on Y-axis and S and T on on X-axis both 1 and 2 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis nether 1 nor 2 T on Y-axis and S and T on on X-axis both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Dynamic breaking Fast acting governing system Fast acting excitation control All of these Dynamic breaking Fast acting governing system Fast acting excitation control All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP