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? 45° 60° 35° 30° 45° 60° 35° 30° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 60 %. 80 %. 40 %. 30 %. 60 %. 80 %. 40 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems How to find the total number of strands (N) when number of layers (x) are given Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² + 3x - 1 Total number of strands N = 3x² - 3x - 1 Total number of strands N = 3x² - 3x + 1 Total number of strands N = 3x² + 3x + 1 Total number of strands N = 3x² + 3x - 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against short circuit. overload. temperature. over voltage. short circuit. overload. temperature. over voltage. 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 500 Ω 1000 Ω 25 Ω 250 Ω 500 Ω 1000 Ω 25 Ω 250 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. ANSWER DOWNLOAD EXAMIANS APP
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