Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 49 kVA. 70 kVA. 89.22 kVA. 35 kVA. 49 kVA. 70 kVA. 89.22 kVA. 35 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string type insulator has three units with self capacitance C and ground capacitance of 0.2 C having a string efficiency of 76% 82% 80% 78% 76% 82% 80% 78% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.7 mA. 14.76 A. 1.476 A. 1 A. 14.7 mA. 14.76 A. 1.476 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance increase. remains constant. decrease. none of above. increase. remains constant. decrease. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. ANSWER DOWNLOAD EXAMIANS APP
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