Power Systems Which of the following grounding is not practically preferred for protection of equipments? All of these isolated grounding resistance grounding reactance grounding All of these isolated grounding resistance grounding reactance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLL LLG LL LG LLL LLG LL LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems ACSR means Aluminium conductor steel reinforced Aluminium copper steel reinforced all conductor steel reinforced Aluminium core steel reinforced Aluminium conductor steel reinforced Aluminium copper steel reinforced all conductor steel reinforced Aluminium core steel reinforced ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Hydro electric power plant. Steam power plant. Nuclear power plant. Diesel engine plant. Hydro electric power plant. Steam power plant. Nuclear power plant. Diesel engine plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Ash handling unit. Pulversing unit. Cooling tower. Condenser. Ash handling unit. Pulversing unit. Cooling tower. Condenser. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents nether 1 nor 2 both 1 and 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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