Power Systems Which of the following faults is/are treated as external faults? Failure of excitation Over voltage All of these Failure of prime mover of the generator Failure of excitation Over voltage All of these Failure of prime mover of the generator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Alternate formation and breakage of bubbles are called surgfication. cavitations. water hamming. All of these surgfication. cavitations. water hamming. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant Any of above. CO2. Helium. Heavy water. Any of above. CO2. Helium. Heavy water. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to reduce the vibrations at the point of support All of these reduce the tension increase the sag reduce the vibrations at the point of support All of these reduce the tension increase the sag ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over fluxing relay Differential relay Buchholz relay Over current relay Over fluxing relay Differential relay Buchholz relay Over current relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Pelton wheel. Francis turbine. propeller turbine. Kaplan turbine. Pelton wheel. Francis turbine. propeller turbine. Kaplan turbine. ANSWER DOWNLOAD EXAMIANS APP
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