Power Systems High capacity generators and motors are of star connected with grounding network any of the above delta connected network star connected network star connected with grounding network any of the above delta connected network star connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of None of these power lines same in both cases communication lines None of these power lines same in both cases communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 85% 11.8% 15% 88.2% 85% 11.8% 15% 88.2% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as All of these carona skin effect proximity effect All of these carona skin effect proximity effect 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. Peterson coil. Resistance. Solid. Reactance. Peterson coil. Resistance. Solid. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference switching over voltage lighting voltage skin effect radio interference switching over voltage lighting voltage skin effect ANSWER DOWNLOAD EXAMIANS APP
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