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 On what factors does the selection of a water turbine depend Nature of load. Working head. Speed. All of above. Nature of load. Working head. Speed. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLG LL LG LLL LLG LL LG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. 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 500 Ω 1000 Ω 25 Ω 250 Ω 500 Ω 1000 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging series capacitor shunt capacitor shunt reactor any of the above series capacitor shunt capacitor shunt reactor any of the above ANSWER DOWNLOAD EXAMIANS APP
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