Power Systems Which of the following statements are true? nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix nether 1 nor 2 both 1 and 2 Bus admittance matrix is a sparse matrix Bus impedance matrix is a full matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. settling time. coasting time. stopping time. damping time. settling time. coasting time. stopping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? None of these large requirement of computer memory large number of iterations both 1 and 2 None of these large requirement of computer memory large number of iterations both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 5 MW 18 MW 9 MW 10 MW 5 MW 18 MW 9 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Generation of of one watt needs about ______________ fission per second 3.1 × 106. 3.1. 3.1 × 1010. 3.1 × 107. 3.1 × 106. 3.1. 3.1 × 1010. 3.1 × 107. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 2.4 pu 1.375 pu 0.2 pu 3.975 pu 2.4 pu 1.375 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
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