Power Systems Where air circuit breakers are used? Up to 12 kV. Up to 33 kV. Up to 11 kV. Up to 66 kV. Up to 12 kV. Up to 33 kV. Up to 11 kV. Up to 66 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems How much KWh energy is produced by fission of 1 gm of uranium U235 240 kWh. 24000 kWh. 2400 kWh. 24 kWh. 240 kWh. 24000 kWh. 2400 kWh. 24 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 48.36 kV 52.84 kV 20 kV 83.76 kV 48.36 kV 52.84 kV 20 kV 83.76 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 20 sec. 10 sec. 5 sec. none of these. 20 sec. 10 sec. 5 sec. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Blocking factor Lagrange multiplier Acceleration factor Gauss constant Blocking factor Lagrange multiplier Acceleration factor Gauss constant ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.433∠ 80° 0.325∠ -100° 0.371∠ -100° 0.725∠ 80° 0.433∠ 80° 0.325∠ -100° 0.371∠ -100° 0.725∠ 80° ANSWER DOWNLOAD EXAMIANS APP
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