Power Systems The presence of earth in case of overhead lines increase capacitance decrease inducatance increase inductance decrease capacitance increase capacitance decrease inducatance increase inductance decrease capacitance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? None of these either 1 or 2 True False None of these either 1 or 2 True False ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 120 MWhr 130.2 MWhr 140 MWhr 135.3 MWhr 120 MWhr 130.2 MWhr 140 MWhr 135.3 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -1 -2 0 1 -1 -2 0 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. A resistance of 100/3 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a transmission line can be increased by 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 addition of lumped inductance in parallel ANSWER DOWNLOAD EXAMIANS APP