Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? None of these both 1 and 2 large number of iterations large requirement of computer memory None of these both 1 and 2 large number of iterations large requirement of computer memory ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is 0 -1 1 -2 0 -1 1 -2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero voltage regulation is possible only for lagging power factor leading power factor All of these unity power factor lagging power factor leading power factor All of these unity power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 6.92% 10% -10% -6.92% 6.92% 10% -10% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 3600 A. 104.8 kA. 1200 A. 35 kA. 3600 A. 104.8 kA. 1200 A. 35 kA. ANSWER DOWNLOAD EXAMIANS APP
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