Power Systems Cheapest plant in operation and maintenance is nuclear. steam power. hydroelectric. diesel power. nuclear. steam power. hydroelectric. diesel power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U235, U233 and Pu239. None of these. U235 and Th239. U238 and Th232. U235, U233 and Pu239. None of these. U235 and Th239. U238 and Th232. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Δ connection Δ-Y connection Y-Δ connection Y-Y connection Δ-Δ connection Δ-Y connection Y-Δ connection Y-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation All of these generation excitation control shunt capacitor series capacitor All of these generation excitation control shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 45 kV 32 kV 36 kV 40 kV 45 kV 32 kV 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.92 -0.92 -0.56 0.56 0.92 -0.92 -0.56 0.56 ANSWER DOWNLOAD EXAMIANS APP
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