Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 85.5 95.5 105.2 102.5 85.5 95.5 105.2 102.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are one six three two one six three two ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only short transmission lines only long transmission lines only None of these medium transmission lines only short transmission lines only long transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Reactance. Resistance. Peterson coil. Solid. Reactance. Resistance. Peterson coil. Solid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect depends on relative permeability distance between the conductors frequency All of these relative permeability distance between the conductors frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. ANSWER DOWNLOAD EXAMIANS APP