Power Systems Which of following materials can be used as coolant CO2. Any of above. Heavy water. Helium. CO2. Any of above. Heavy water. Helium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 14 %. None of above 56 %. 28 %. 14 %. None of above 56 %. 28 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 2.63 msec 4.68 msec 1.47 msec 9.68 2.63 msec 4.68 msec 1.47 msec 9.68 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 1600 MW 400 MW 200 MW 800 MW 1600 MW 400 MW 200 MW 800 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine impulsive inward radial flow axial flow any of the above impulsive inward radial flow axial flow any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of off diagonal elements is sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j sum of admittances connected at bus i which is connected between bus i and bus j with negative sign which is connected between bus i and bus j with positive sign sum of admittances connected at bus j ANSWER DOWNLOAD EXAMIANS APP