Power Systems An impulse turbine makes use of a draft tube. operates by initial complete conversion to kinetic energy. always operates submerged. is most suited for low head and high discharge power plants. makes use of a draft tube. operates by initial complete conversion to kinetic energy. always operates submerged. is most suited for low head and high discharge power plants. 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? 32 kV 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV 40 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt resistance at receiving end shunt reactor at receiving end All of these shunt capacitor at receiving end shunt resistance at receiving end shunt reactor at receiving end All of these shunt capacitor at receiving end ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of short lines. medium lines. long lines. none of these. short lines. medium lines. long lines. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The equation of area control error(ACE) is ACE = ΔPtie - b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie + b.Δf ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are operating time is minimum All of these used as load frequency control most economical as a peak load supply plant operating time is minimum All of these used as load frequency control most economical as a peak load supply plant ANSWER DOWNLOAD EXAMIANS APP