Power Systems The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be 500 900 250 450 500 900 250 450 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 159.24 m/µs 0.0312 m/s 159.24 m/s 32 m/s 159.24 m/µs 0.0312 m/s 159.24 m/s 32 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems If sag in an overhead line increase, tension in the line decrease None of these increase remains same decrease None of these increase remains same 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 When is the ferranti effect on long overhead lines experienced? The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded The power factor is unity The line is lightly loaded The line is fully loaded The line is heavily loaded ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? All of these graphite beryllium liquid sodium All of these graphite beryllium liquid sodium ANSWER DOWNLOAD EXAMIANS APP