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? 4.68 msec 2.63 msec 1.47 msec 9.68 4.68 msec 2.63 msec 1.47 msec 9.68 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The only place where slip ring induction motors used in thermal power plants is conveyors. coal handling plant. none of above. lubrication oil pumps. conveyors. coal handling plant. none of above. lubrication oil pumps. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for reduce losses more surge impedance proper discharging of lighting surges less surge impedance reduce losses more surge impedance proper discharging of lighting surges less surge impedance ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant Kaplan. Francis. Pelton. None of above. Kaplan. Francis. Pelton. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 3 × 106 kWh. 2.044 × 106 kWh. 4.06 × 106 kWh. 5 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. 4.06 × 106 kWh. 5 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
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