Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j1 pu j9 pu j6 pu j3 pu j1 pu j9 pu j6 pu j3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce proximity effect skin effect ferranti effect interference with neighbouring communication lines proximity effect skin effect ferranti effect interference with neighbouring communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 25 Ω 250 Ω 1000 Ω 500 Ω 25 Ω 250 Ω 1000 Ω 500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading can be increased by both 1 and 2 increasing of inductance value increasing of capacitance value increasing of voltage level both 1 and 2 increasing of inductance value increasing of capacitance value increasing of voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems Rankine cycle efficiency of a steam power plant is of 60 - 80 %. 45 - 80 %. 30 - 45 %. 20 - 30 %. 60 - 80 %. 45 - 80 %. 30 - 45 %. 20 - 30 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 60 Hz, 320 Km loss less line has sending end voltage 1.0 pu. The receiving end voltage on no-load is none of these. 1.088 pu. 1.1 pu. 1.116 pu. none of these. 1.088 pu. 1.1 pu. 1.116 pu. ANSWER DOWNLOAD EXAMIANS APP
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