Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.2 pu 1 pu 5 pu 0.25 pu 0.2 pu 1 pu 5 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 30-40% 45-55% 60-70% 20-25% 30-40% 45-55% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The incremental fuel costs for two generating units G1 and G2 are given by Ic1 = 25 + 0.2 PG1 and Ic2 = 32 + 0.2 PG2, where PG1 and PG2 are real powers generated by the units. The economic allocation for a total load of 250 MW, neglecting transmission loss, is given by PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 142.5 MW and PG2 = 107.5 MW PG1 = 109.75 MW and PG2 = 140.25 MW PG1 = 100 MW and PG2 = 150 MW PG1 = 125 MW and PG2 = 125 MW PG1 = 142.5 MW and PG2 = 107.5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems With reference to hydrometer station, the graphical representation of the discharge as function of time is known as Load duration curve. Monograph. Hydro-graph. Hectograph. Load duration curve. Monograph. Hydro-graph. Hectograph. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U235, U233 and Pu239. U238 and Th232. None of these. U235 and Th239. U235, U233 and Pu239. U238 and Th232. None of these. U235 and Th239. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? both 1 and 2 faults within a generator through faults faults within a transformer both 1 and 2 faults within a generator through faults faults within a transformer ANSWER DOWNLOAD EXAMIANS APP