Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. 45 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements are true? Bus impedance matrix is a full matrix nether 1 nor 2 Bus admittance matrix is a sparse matrix both 1 and 2 Bus impedance matrix is a full matrix nether 1 nor 2 Bus admittance matrix is a sparse matrix both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is increased remains unaffected reduced any of the above increased remains unaffected reduced any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants needs highly skilled/qualified engineers for its operation Nuclear. Hydro Power Plant Gas-turbine. Thermal. Nuclear. Hydro Power Plant Gas-turbine. Thermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 None of these corona is visible with blue or violet colour corona is just initiated both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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