Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zl - Zs)/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.043 mH 1.182 mH 1.093 mH 1.232 mH 1.043 mH 1.182 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 45 kV 32 kV 36 kV 40 kV 45 kV 32 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following plants is/are base load plants run off river both 1 and 2 pump storage nuclear run off river both 1 and 2 pump storage nuclear ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are base load plants? nuclear plants All of these thermal plants hydro plants nuclear plants All of these thermal plants hydro plants ANSWER DOWNLOAD EXAMIANS APP
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