Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 10 13 20 21 10 13 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for leading power factor lagging power factor All of these unity power factor leading power factor lagging power factor All of these unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of a surge tank is to none of above. produce surge in the pipeline. supply water at constant pressure. relieve water hammer pressure in the penstock. none of above. produce surge in the pipeline. supply water at constant pressure. relieve water hammer pressure in the penstock. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
Power Systems Among the following which is not non conventional energy Wind. Geothermal. Nuclear. Tidal. Wind. Geothermal. Nuclear. Tidal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? Nominal T either 1 or 2 Nominal ∏ nether 1 nor 2 Nominal T either 1 or 2 Nominal ∏ nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
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