Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 24. 12. 6. 16. 24. 12. 6. 16. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no shunt admittance mutual coupling None of these both 1 and 2 shunt admittance mutual coupling None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 90 10 1000 9000 90 10 1000 9000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Blocking factor Gauss constant Acceleration factor Lagrange multiplier Blocking factor Gauss constant Acceleration factor Lagrange multiplier ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change in internal energy between inlet and outlet. change of entropy between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the voltage drop across the line corona loss surge impedance of the line copper loss voltage drop across the line corona loss surge impedance of the line copper loss ANSWER DOWNLOAD EXAMIANS APP