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 2.5 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA 15 MJ/MVA 2.5 MJ/MVA 10.5 MJ/MVA 6 MJ/MVA 15 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is maximum mass of fissionable material required to sustain a chain reaction. minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. maximum mass of fissionable material required to sustain a chain reaction. minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. 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 always if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored always if the mutual couplings between transmission lines are absent if both 2 and 3 are satisfied if the shunt admittances at the buses are ignored ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 100 kV 36. 36 kV 18.18 kV 30.6 Kv 100 kV 36. 36 kV 18.18 kV 30.6 Kv ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used in case hill areas to over come the which problem? All of these unequal ice loading increase string efficiency increase power factor All of these unequal ice loading increase string efficiency increase power factor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station plant load factor is defined as the ratio of minimum load to average load minimum load to peak load average load to the peak load the energy generated to that of maximum energy that could have been generated minimum load to average load minimum load to peak load average load to the peak load the energy generated to that of maximum energy that could have been generated ANSWER DOWNLOAD EXAMIANS APP
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