Power Systems In nuclear power plants which material is/are used as coolant? liquid sodium beryllium graphite All of these liquid sodium beryllium graphite All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peak load power plants is/are both 1 and 2 diesel plant pumped storage plant nuclear plants both 1 and 2 diesel plant pumped storage plant nuclear plants ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 3.535 pu 5 pu 7 pu 5.353 pu 3.535 pu 5 pu 7 pu 5.353 pu 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? LG LL LLL LLG LG LL LLL LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? delta-delta delta-star star-star star-delta delta-delta delta-star star-star star-delta ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.02 0.025 0.25 0.05 0.02 0.025 0.25 0.05 ANSWER DOWNLOAD EXAMIANS APP
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