Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 500 MJ 5 MJ 10 MJ 50 MJ 500 MJ 5 MJ 10 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 300 kW 500 kW 250 kW 750 kW 300 kW 500 kW 250 kW 750 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Sparse matrix is matrix which contain less number of memory elements more number of zeros more number of non zeros more number of memory elements less number of memory elements more number of zeros more number of non zeros more number of memory elements ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? To remove dust particles setting on the bus bar conductors in the station switch yard All of these To collect the dust particles from the flue gases To keep the air heaters clean To remove dust particles setting on the bus bar conductors in the station switch yard All of these To collect the dust particles from the flue gases To keep the air heaters clean ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Gauss Seidel load flow method has following disadvantages. Which of the following statement is wrong? Choice of slack bus affects the convergence Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence Choice of slack bus affects the convergence Slow convergence Unreliable convergence A good initial guess for voltages is essential for convergence ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" > X' >X X" > X' < X X" < X' > X X" < X' < X X" > X' >X X" > X' < X X" < X' > X X" < X' < X ANSWER DOWNLOAD EXAMIANS APP