Power Systems When series reactor is used in generating stations, the fault current magnitude is remains unaffected increased reduced any of the above remains unaffected increased reduced any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the radio interference in communication lines All of these voltage level efficiency radio interference in communication lines All of these voltage level efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / delta. delta / star. ground star / delta. star / grounded star. delta / delta. delta / star. ground star / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, neither 1 nor 2 sag increase tension decrease both 1 and 2 neither 1 nor 2 sag increase tension decrease both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 7.25 pu 4.28 pu 2.5 pu 3.75 pu 7.25 pu 4.28 pu 2.5 pu 3.75 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line skin effect corona effect ferranti effect All of these skin effect corona effect ferranti effect All of these ANSWER DOWNLOAD EXAMIANS APP