Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 16 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA 16 MJ/MVA 2 MJ/MVA 8 MJ/MVA 4 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To keep the air heaters clean To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard All of these To keep the air heaters clean To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 200 MJ 50 MJ 8 MJ 400 MJ 200 MJ 50 MJ 8 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The thermal efficiency of BWR is less than that of PWR. greater than that of PWR. equal to that of PWR. None of these less than that of PWR. greater than that of PWR. equal to that of PWR. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? both 1 and 2 None of these large number of iterations large requirement of computer memory both 1 and 2 None of these large number of iterations large requirement of computer memory ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? All of these Inter phase faults over current failure of excitation All of these Inter phase faults over current failure of excitation ANSWER DOWNLOAD EXAMIANS APP
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