Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead 10% 6.92% -10% -6.92% 10% 6.92% -10% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20160 J. 20060 J. 25060 J. 23060 J. 20160 J. 20060 J. 25060 J. 23060 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power plant is being supplied with coal having much more ash content than that for which it was designed. Which of its following units needs major modifications Condenser. Pulversing unit. Cooling tower. Ash handling unit. Condenser. Pulversing unit. Cooling tower. Ash handling unit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Based on the discharge, Kaplan turbine will discharge 1000 lpm >10000 lpm 1000 lpm >10000 lpm 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 - b.Δf ACE = ΔPtie - 1/b.Δf ACE = ΔPtie + b.Δf ACE = ΔPtie +1/ b.Δf ACE = ΔPtie - b.Δf ACE = ΔPtie - 1/b.Δf ANSWER DOWNLOAD EXAMIANS APP
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