Power Systems When a neutral point of 3 - Φ system is directly connected to earth then it has what type of grounding? Solid. Resistance. Reactance. Peterson coil. Solid. Resistance. Reactance. Peterson coil. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Under over excitation synchronous phase modifier works as shunt capacitor shunt reactor any of the above series capacitor shunt capacitor shunt reactor any of the above series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops a minimum horse power. unit horse power at unit head. maximum horse power. unit horse power at all heads. a minimum horse power. unit horse power at unit head. maximum horse power. unit horse power at all heads. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on All of these relative permeability conductivity frequency All of these relative permeability conductivity frequency ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 0.4 mm. 0.2 mm. 4 mm. 2 mm. 0.4 mm. 0.2 mm. 4 mm. 2 mm. ANSWER DOWNLOAD EXAMIANS APP
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