Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 12 5 3 6 12 5 3 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the efficiency voltage level radio interference in communication lines All of these efficiency voltage level radio interference in communication lines All of these 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 if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line any of the above long transmission line medium transmission line short transmission line any of the above long transmission line medium transmission line short transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 125 MVA 400 MVA 500 MVA 100 MVA 125 MVA 400 MVA 500 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 56 %. 14 %. None of above 28 %. 56 %. 14 %. None of above 28 %. ANSWER DOWNLOAD EXAMIANS APP
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