Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 90% 75% 86%% 50% 90% 75% 86%% 50% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to absorb neutrons. stop chain reaction. reduce temperature. reduce the speed of neutrons. absorb neutrons. stop chain reaction. reduce temperature. reduce the speed of neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 150 km any of the above 40 km 80 km 150 km any of the above 40 km 80 km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by addition of lumped inductance in parallel both 1 and 3 addition of lumped capacitance in series increasing its voltage level addition of lumped inductance in parallel both 1 and 3 addition of lumped capacitance in series increasing its voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine axial flow any of the above impulsive inward radial flow axial flow any of the above impulsive inward radial flow ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ratio of reset to pick up current for an induction cup relay is approximately 0.99. 1.35. 1.0. 0.75. 0.99. 1.35. 1.0. 0.75. ANSWER DOWNLOAD EXAMIANS APP