Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Oil CB. Air blast CB. Vacuum CB. Any of these. Oil CB. Air blast CB. Vacuum CB. Any of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 6 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 6 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is/are more reliable? Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method All of these Newton Raphson (NR) method Fast Decoupled Load Flow (FDLF) method Gauss-Siedel (GS) method All of these Newton Raphson (NR) method ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines reactive powers. turbine inputs. generator ratings. generated voltages. reactive powers. turbine inputs. generator ratings. generated voltages. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against over voltage. temperature. short circuit. overload. over voltage. temperature. short circuit. overload. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of none of these. long lines. short lines. medium lines. none of these. long lines. short lines. medium lines. ANSWER DOWNLOAD EXAMIANS APP