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? 0.025 0.25 0.05 0.02 0.025 0.25 0.05 0.02 ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency None of these increase remains unaffected decrease None of these increase remains unaffected decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 4.06 × 106 kWh. 2.044 × 106 kWh. 3 × 106 kWh. 5 × 106 kWh. 4.06 × 106 kWh. 2.044 × 106 kWh. 3 × 106 kWh. 5 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line any of the above short transmission line long transmission line medium transmission line any of the above short transmission line long transmission line medium transmission line ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the ratio of the C.T. on the H.V side of a 3 - φ star / delta 33 / 11 kV transformer if the protecting CT on the LV side has a ratio of 300 : 5 ? 200 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. 100 : 5 / √3. 200 : 5 / √3. 150 : 4 / √3. 120 : 6 / √3. 100 : 5 / √3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has internal inductance 0.05 mH/Km for µr = 1. If this ACSR is replaced with another having µr = 2, then find the internal inductance? 0.05 mH/Km 0 mH/Km 0.025 mH/Km 0.1 mH/Km 0.05 mH/Km 0 mH/Km 0.025 mH/Km 0.1 mH/Km ANSWER DOWNLOAD EXAMIANS APP
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