Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of power system is/are Flexible power has to be available. All of these Reliable power has to be available Cost of electrical energy per KWh is to be minimum Flexible power has to be available. All of these Reliable power has to be available Cost of electrical energy per KWh is to be minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is none of these. SF6 breaker. air blast circuit breaker. oil circuit breaker. none of these. SF6 breaker. air blast circuit breaker. oil circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 11 kV 440 V 230 V 33 kV 11 kV 440 V 230 V 33 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? lighting voltage radio interference switching over voltage skin effect lighting voltage radio interference switching over voltage skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Vacuum CB. SF6 CB. Air blast CB. Oil CB. Vacuum CB. SF6 CB. Air blast CB. Oil CB. ANSWER DOWNLOAD EXAMIANS APP
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