Power Systems The annual depreciation of hydro power plant is about 15 - 20 %. 10 - 15 %. 20 - 25 %. 0.5 - 1.5 %. 15 - 20 %. 10 - 15 %. 20 - 25 %. 0.5 - 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase breaker is rated at 2000 MVA, 33 kV, its making current will be 89.22 kVA. 70 kVA. 49 kVA. 35 kVA. 89.22 kVA. 70 kVA. 49 kVA. 35 kVA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. superheater. air preheater. ash handling point. economizer. superheater. air preheater. ash handling point. economizer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 3.000 pu. 0.125 pu. 0.200 pu. 0.075 pu. 3.000 pu. 0.125 pu. 0.200 pu. 0.075 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 2.4 pu 1.375 pu 3.975 pu 0.2 pu 2.4 pu 1.375 pu 3.975 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of the modern EHV lines is designed based on corona. R × I. the switch voltage. the lighting voltage. corona. R × I. the switch voltage. the lighting voltage. ANSWER DOWNLOAD EXAMIANS APP
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