Power Systems If the diameter of the conductor is increased the inductance is increased no change in inductance and resistance the resistance is increased the inductance is decreased the inductance is increased no change in inductance and resistance the resistance is increased the inductance is decreased ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydroelectric power plants operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. operating cost is low and initial cost is high. operating cost is high and initial cost is low. both operating and initial cost are low. both operating and initial cost are high. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 60° 45° 30° 35° 60° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. Inversely proportional to its length. Directly proportional to square root of its length. Directly proportional to its length. Independent of its length. Inversely proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 0.25 pu 0.2 pu 5 pu 1 pu 0.25 pu 0.2 pu 5 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used to protect electrical equipment against over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. over voltages due to indirect lightning stroke. power frequency of over voltages. direct strokes of lightning. over currents due to lightning stroke. ANSWER DOWNLOAD EXAMIANS APP
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