Power Systems For a lossy transmission line, the characteristic impedance does not depend on The conductivity of conductors. The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. The conductivity of conductors. The operating frequency of the line. The load terminating the line. The permittivity of the dielectric separating the conductor. ANSWER DOWNLOAD EXAMIANS APP
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 13 20 10 21 13 20 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by hydro-power station of same capacity. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. less than that required by a gas turbine power plant of same output. less than that required by hydro-power station of same capacity. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. less than that required by a gas turbine power plant of same output. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.025 mH/Km 0 mH/Km 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km 0.1 mH/Km 0.05 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency increasing the distance between the conductor increasing the radius of the conductor All of these decreasing the supply frequency increasing the distance between the conductor increasing the radius of the conductor All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For accurate load flow calculations on large power systems, the best method is All of these G-S method N-R method Decoupled method All of these G-S method N-R method Decoupled method ANSWER DOWNLOAD EXAMIANS APP
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