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 16 MJ/MVA 4 MJ/MVA 2 MJ/MVA 8 MJ/MVA 16 MJ/MVA 4 MJ/MVA 2 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is more less either 1 or 2 None of these more less either 1 or 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 13 10 21 20 13 10 21 20 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A moderator material should have None of these may be any of the above. large atomic mass. small atomic mass. None of these may be any of the above. large atomic mass. small atomic mass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems How much KWh energy is produced by fission of 1 gm of uranium U235 24000 kWh. 2400 kWh. 240 kWh. 24 kWh. 24000 kWh. 2400 kWh. 240 kWh. 24 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 35 kA. 55 kA. 45 kA. 50 kA. 35 kA. 55 kA. 45 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
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