Power Systems Capacitance voltage transformer ( CVT ) is used to reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Hydro electric power plant. Nuclear power plant. Thermal power plant. Gas turbine plant. Hydro electric power plant. Nuclear power plant. Thermal power plant. Gas turbine plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. zero. unity. leading. lagging. zero. unity. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as medium transmission line long transmission line shunt capacitor any of the above medium transmission line long transmission line shunt capacitor any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 0.2 pu 3.975 pu 2.4 pu 1.375 pu 0.2 pu 3.975 pu 2.4 pu 1.375 pu 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 Pelton. Francis. Kaplan. None of above. Pelton. Francis. Kaplan. None of above. ANSWER DOWNLOAD EXAMIANS APP
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