Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is zero. lagging. unity. leading. zero. lagging. unity. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, interference increases power loss increases charging current increases All of these interference increases power loss increases charging current increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 25.8 mH. 23.8 mH. 21.2 mH. 23.33 mH. 25.8 mH. 23.8 mH. 21.2 mH. 23.33 mH. 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? 15% 88.2% 85% 11.8% 15% 88.2% 85% 11.8% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the fault is very nearer to the generator, the fault current is less any of the above zero larger less any of the above zero larger ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of short length lines. no length criterion. long transmission lines. medium length lines. short length lines. no length criterion. long transmission lines. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
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