Power Systems Which of the following relays is/are unit protection relays? Differential relays Buccholz relays both 1 and 2 over current relays Differential relays Buccholz relays both 1 and 2 over current relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Δ connection Y-Δ connection Δ-Y connection Y-Y connection Δ-Δ connection Y-Δ connection Δ-Y connection Y-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively? 0.55 and 0.733 0.733 and 0.55 0.65 and 0.55 0.733 and 0.65 0.55 and 0.733 0.733 and 0.55 0.65 and 0.55 0.733 and 0.65 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. less than that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? long transmission lines only medium transmission lines only short transmission lines only None of these long transmission lines only medium transmission lines only short 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. Solid. Resistance. Peterson coil. Reactance. Solid. Resistance. Peterson coil. ANSWER DOWNLOAD EXAMIANS APP
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