Power Systems If the fault current is 2000 A, the relay setting is 50% and CT ratio is 400 : 5, then plug setting multiplier will be 50. 25. 15. 10. 50. 25. 15. 10. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 100 MVA 125 MVA 500 MVA 400 MVA 100 MVA 125 MVA 500 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation? single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 smooth voltage regulation is possible by controlling excitation initial cost is low single unit can be used as both capacitance and inductor by adjusting the excitation both 1 and 2 smooth voltage regulation is possible by controlling excitation initial cost is low ANSWER DOWNLOAD EXAMIANS APP
Power Systems A penstock is used as a condition between the dam and the turbine in a hydro station. none of above. the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. the dam and the turbine in a hydro station. none of above. the heat ex-changer and the turbine in nuclear power plant. the turbine and discharge drain. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. superheater. economizer. ash handling point. air preheater. superheater. economizer. ash handling point. air preheater. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The generating station suitable to operate as peak load plant is Nuclear power station. Pumped storage. Thermal power station. Power station. Nuclear power station. Pumped storage. Thermal power station. Power station. ANSWER DOWNLOAD EXAMIANS APP