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. 55 kA. 35 kA. 50 kA. 45 kA. 55 kA. 35 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 162 × 162 165 × 165 164 × 164 163 × 163 162 × 162 165 × 165 164 × 164 163 × 163 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector of a nuclear reactor are made up of beryllium. cast iron. steel. boron. beryllium. cast iron. steel. boron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. Both A and C. Breaking speed. None of these. Critical length of breaking. Both A and C. Breaking speed. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Generation of of one watt needs about ______________ fission per second 3.1 × 107. 3.1 × 1010. 3.1 × 106. 3.1. 3.1 × 107. 3.1 × 1010. 3.1 × 106. 3.1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generated voltages. turbine inputs. reactive powers. generator ratings. generated voltages. turbine inputs. reactive powers. generator ratings. ANSWER DOWNLOAD EXAMIANS APP
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