Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Uses of diesel power stations All of these standby plants. emergency plants. peak load plant. All of these standby plants. emergency plants. peak load plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peterson coil is used in case of transmission line for improve power factor compensation of arcing grounds reduce ferranti effect increase the voltage level improve power factor compensation of arcing grounds reduce ferranti effect increase the voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space 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 the diesel power station of same output. less than that required by hydro-power station of same capacity. 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 the diesel power station of same output. less than that required by hydro-power station of same capacity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Time taken for each iteration is less Number of iterations are less Applicable for large power system network both 1 and 2 Time taken for each iteration is less Number of iterations are less Applicable for large power system network both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase 17.32 kV/phase 34.64 kV/phase 82.15 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP
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