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 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA 16 MJ/MVA 8 MJ/MVA 2 MJ/MVA 4 MJ/MVA 16 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. 61.73 MVAr. 55.56 MVAr. 40.5 MVAr. 45.0 MVAr. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In boiler water reactor (BWR) the feed water acts both coolant and a moderator. there is danger of radioactive contamination of steam. all of above. enriched uranium is used as fuel. the feed water acts both coolant and a moderator. there is danger of radioactive contamination of steam. all of above. enriched uranium is used as fuel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 10 MJ 500 MJ 5 MJ 50 MJ 10 MJ 500 MJ 5 MJ 50 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? either 1 or 2 Nominal T Nominal ∏ nether 1 nor 2 either 1 or 2 Nominal T Nominal ∏ nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
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