Power Systems If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is 0.5 pu 0.8 pu 0.4 pu 1 pu 0.5 pu 0.8 pu 0.4 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CANDU reactor uses only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. enriched uranium as fuel and ordinary water as moderator and cooler. highly enriched uranium as fuel and water as moderator and coolant. only fertile materials. natural uranium as fuel and heavy water as moderator and coolant. enriched uranium as fuel and ordinary water as moderator and cooler. highly enriched uranium as fuel and water as moderator and coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called stopping time. damping time. settling time. coasting time. stopping time. damping time. settling time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2.67 pu 2 pu 6 pu 5 pu 2.67 pu 2 pu 6 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to improve the power factor of the transmission. none of these. reduce losses in a transmission line. connect instruments on the LT side. improve the power factor of the transmission. none of these. reduce losses in a transmission line. connect instruments on the LT side. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In boiler water reactor (BWR) there is danger of radioactive contamination of steam. enriched uranium is used as fuel. all of above. the feed water acts both coolant and a moderator. there is danger of radioactive contamination of steam. enriched uranium is used as fuel. all of above. the feed water acts both coolant and a moderator. ANSWER DOWNLOAD EXAMIANS APP
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