Power Systems The internal flux linkage due to internal flux of a conductor is I/4*10-7 wb-T/m I/2*10-7 wb-T/m All of these I/6*10-7 wb-T/m I/4*10-7 wb-T/m I/2*10-7 wb-T/m All of these I/6*10-7 wb-T/m ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is 1. less than 1. greater than 1. may be any of the above. 1. less than 1. greater than 1. may be any of the above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by reducing reactance either 1 or 2 None of these increasing voltage level reducing reactance either 1 or 2 None of these increasing voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² 12.5 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 125 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
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 16. 24. 12. 6. 16. 24. 12. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the thermal efficiency both 2 and 3 reduce the heat increase the thermal efficiency reduce the thermal efficiency both 2 and 3 reduce the heat increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP