Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 200 Ω 0 Ω 400 Ω 800 Ω 200 Ω 0 Ω 400 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called coasting time. stopping time. damping time. settling time. coasting time. stopping time. damping time. settling time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of short transmission lines only All of these medium transmission lines only long transmission lines only short transmission lines only All of these medium transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -2 -1 0 1 -2 -1 0 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand? 1.5 cm 1 cm 15 cm 5 cm 1.5 cm 1 cm 15 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Power Systems On which one of the following cycles does a modern steam power plant work? Bell-Coleman cycle Rankine cycle Otto cycle Carnot cycle Bell-Coleman cycle Rankine cycle Otto cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
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