Power Systems Which of the following quantities are to be calculated for generator bus? Q and δ δ and V P and V P and Q Q and δ δ and V P and V P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of medium transmission lines only All of these long transmission lines only short transmission lines only medium transmission lines only All of these long transmission lines only short transmission lines only 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? 88.2% 11.8% 15% 85% 88.2% 11.8% 15% 85% ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Working head. All of above. Nature of load. Speed. Working head. All of above. Nature of load. Speed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called settling time. stopping time. damping time. coasting time. settling time. stopping time. damping time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 35 kA. 3600 A. 1200 A. 104.8 kA. 35 kA. 3600 A. 1200 A. 104.8 kA. ANSWER DOWNLOAD EXAMIANS APP
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