Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.4 pu 0.2 pu 0.1 pu 0.25 pu 0.4 pu 0.2 pu 0.1 pu 0.25 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false Nuclear power plants are used as peak load plants only. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. In a nuclear reactor, multiplication factor is kept almost equal to one. Nuclear power plants are used as peak load plants only. In nuclear power plants, chain reaction is controlled by cadmium rods. A thermal reactor needs a moderator material. In a nuclear reactor, multiplication factor is kept almost equal to one. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.85 Hz -0.85 Hz -0.76 Hz 0.76 Hz 0.85 Hz -0.85 Hz -0.76 Hz 0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be 1 + j 4 A 5 + j 7 A 1 + j 2 A -2 - j 1 A 1 + j 4 A 5 + j 7 A 1 + j 2 A -2 - j 1 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.8 lag and 0.8 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.8 lead 0.8 lag and 0.6 lead 0.6 lag and 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power planets is the least reliable Solar. Wind. Geothermal. Tidal. Solar. Wind. Geothermal. Tidal. ANSWER DOWNLOAD EXAMIANS APP
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