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. 35 kA. 55 kA. 50 kA. 45 kA. 35 kA. 55 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? either 1 or 2 True False None of these either 1 or 2 True False None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? √(1 + Kcsh)/Zs All of these Zs*√(1 + Kcsh) Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs All of these Zs*√(1 + Kcsh) Zs/√(1 + Kcsh) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to improve condenser performance. utilize heat of flue gases. reduce loss of heat. increase thermal efficiency. improve condenser performance. utilize heat of flue gases. reduce loss of heat. increase thermal efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of strands of ACSR conductor for 4 layer transmission line? 7 1 29 37 7 1 29 37 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are both A and B. gas turbine. hydro. thermal. both A and B. gas turbine. hydro. thermal. ANSWER DOWNLOAD EXAMIANS APP