Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In load flow studies PV bus is treated as PQ bus when voltage at the bus become high reactive power goes beyond limit phase angle become high any of the above voltage at the bus become high reactive power goes beyond limit phase angle become high any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by reducing reactance None of these increasing voltage level either 1 or 2 reducing reactance None of these increasing voltage level either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt reactor at receiving end All of these shunt resistance at receiving end shunt capacitor at receiving end shunt reactor at receiving end All of these shunt resistance at receiving end shunt capacitor at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems Cheapest plant in operation and maintenance is diesel power. steam power. nuclear. hydroelectric. diesel power. steam power. nuclear. hydroelectric. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLLG. LL. LLG. LG. LLLG. LL. LLG. LG. ANSWER DOWNLOAD EXAMIANS APP
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