Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 20 21 13 10 20 21 13 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on frequency All of these conductivity relative permeability frequency All of these conductivity relative permeability ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds? 855.26 Ω 625.35 Ω 0.844 Ω 265.25 Ω 855.26 Ω 625.35 Ω 0.844 Ω 265.25 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5000 MVA. 5200 MVA. 5500 MVA. 5100 MVA. 5000 MVA. 5200 MVA. 5500 MVA. 5100 MVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. none of above. the dam and the turbine in a hydro station. the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Demand factor of a plant is 1 greater than 1 less than 1 0 1 greater than 1 less than 1 0 ANSWER DOWNLOAD EXAMIANS APP
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