Power Systems Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? Instantaneous and RMS value RMS and RMS value any of the above RMS and Instantaneous value Instantaneous and RMS value RMS and RMS value any of the above RMS and Instantaneous value ANSWER DOWNLOAD EXAMIANS APP
Power Systems Aluminium is now most commonly employed conductor material in transmission lines than copper because costlier it is cheaper and lighter its tensile strength is more it is more conductive costlier it is cheaper and lighter its tensile strength is more it is more conductive 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% 11.8% 85% 88.2% 15% 11.8% 85% 88.2% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults both 1 and 2 protection of a transformer against all internal faults nether 1 nor 2 protection of a transformer against all external faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems Radio interference occur in telecommunication line due to nether 1 nor 2 electro magnetic induction electro static induction both 1 and 2 nether 1 nor 2 electro magnetic induction electro static induction both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Kaplan turbine. propeller turbine. Francis turbine. Pelton wheel. Kaplan turbine. propeller turbine. Francis turbine. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP