Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 15 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA 2.5 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 45° 90° 42° 36° 45° 90° 42° 36° ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LL. LLG. LLLG. LG. LL. LLG. LLLG. LG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.01 + j 0.02 per Km. 0.018 per Km. 0.09 + j 0.018 per Km. None of them. 0.01 + j 0.02 per Km. 0.018 per Km. 0.09 + j 0.018 per Km. None of them. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is I/2*10-7 wb-T/m I/6*10-7 wb-T/m I/4*10-7 wb-T/m All of these I/2*10-7 wb-T/m I/6*10-7 wb-T/m I/4*10-7 wb-T/m All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Suspension type insulators are used for voltage beyond 33 kV 230 V 11 kV 440 V 33 kV 230 V 11 kV 440 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS