Power Systems A sodium graphite reactors use sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U235 and Th239. None of these. U238 and Th232. U235, U233 and Pu239. U235 and Th239. None of these. U238 and Th232. U235, U233 and Pu239. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine operates by initial complete conversion to kinetic energy. makes use of a draft tube. always operates submerged. is most suited for low head and high discharge power plants. operates by initial complete conversion to kinetic energy. makes use of a draft tube. always operates submerged. is most suited for low head and high discharge power plants. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 400 MJ 50 MJ 8 MJ 200 MJ 400 MJ 50 MJ 8 MJ 200 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? All of these Initial cost of synchronous phase modifier is higher It consumes both active and reactive power It requires more maintenance because of running equipment All of these Initial cost of synchronous phase modifier is higher It consumes both active and reactive power It requires more maintenance because of running equipment ANSWER DOWNLOAD EXAMIANS APP
Power Systems In coal fired thermal power stations, what are the electrostatic precipitators used for? All of these To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean All of these To collect the dust particles from the flue gases To remove dust particles setting on the bus bar conductors in the station switch yard To keep the air heaters clean ANSWER DOWNLOAD EXAMIANS APP
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