Power Systems Critical visual voltage is the voltage at which both 1 and 2 corona is just initiated corona is visible with blue or violet colour None of these both 1 and 2 corona is just initiated corona is visible with blue or violet colour None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The factor affecting run off are rain fall pattern, shape and size of catchment area. all of above. amount of vegetation and weather condition in the catchment area. the topography and nature of soil in the catchment area. rain fall pattern, shape and size of catchment area. all of above. amount of vegetation and weather condition in the catchment area. the topography and nature of soil in the catchment area. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 555×555 540×540 554×554 553×553 555×555 540×540 554×554 553×553 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in All of these underground cable communication lines overhead transmission lines All of these underground cable communication lines overhead transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 210 Ω 840 Ω 420 Ω 400 Ω 210 Ω 840 Ω 420 Ω 400 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB ANSWER DOWNLOAD EXAMIANS APP
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