Power Systems Asynchronous tie line is a DC transmission line AC transmission line None of these either 1 or 2 DC transmission line AC transmission line None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, sag increase both 1 and 2 tension decrease neither 1 nor 2 sag increase both 1 and 2 tension decrease neither 1 nor 2 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. Peterson coil. Resistance. Reactance. Solid. Peterson coil. Resistance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 79.33 %. 78.96 %. 74.56 %. 80.25 %. 79.33 %. 78.96 %. 74.56 %. 80.25 %. 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? 11.8% 85% 15% 88.2% 11.8% 85% 15% 88.2% ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% ANSWER DOWNLOAD EXAMIANS APP
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