Power Systems Lightning arresters are made up of which material? silicon oxide silver any of the above copper silicon oxide silver any of the above copper ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 386 MW 400 MW 456 MW 478 MW 386 MW 400 MW 456 MW 478 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which power plant cannot have single unit of 100 MW capacity Diesel engine plant. Nuclear power plant. Hydro electric power plant. Steam power plant. Diesel engine plant. Nuclear power plant. Hydro electric power plant. Steam power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 66 kV. Up to 12 kV. Up to 11 kV. Up to 33 kV. Up to 66 kV. Up to 12 kV. Up to 11 kV. Up to 33 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 200 MVA 500 MVA 400 MVA 100 MVA 200 MVA 500 MVA 400 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS