Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 105.2 95.5 85.5 102.5 105.2 95.5 85.5 102.5 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 32 m/s 0.0312 m/s 159.24 m/s 159.24 m/µs 32 m/s 0.0312 m/s 159.24 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? squirrel cage rotor salient pole rotor cylindrical rotor either of these squirrel cage rotor salient pole rotor cylindrical rotor either of these ANSWER DOWNLOAD EXAMIANS APP
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% -10% 6.92% -6.92% 10% -10% 6.92% -6.92% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power level of nuclear reactor can be increase by ( K = multiplication factor ) lowering the value of K below and keeping at that lowered value. raising the value of K above 1, but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. lowering the value of K below 1 but later bringing it back to K = 1. lowering the value of K below and keeping at that lowered value. raising the value of K above 1, but later bringing it back to K = 1. raising the value of K above 1 and keeping it at raised value. lowering the value of K below 1 but later bringing it back to K = 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will increase the thermal efficiency reduce the thermal efficiency reduce the heat both 2 and 3 increase the thermal efficiency reduce the thermal efficiency reduce the heat both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS