Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. zero. unity. leading. lagging. zero. unity. leading. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? strain insulator string insulator All of these pin insulator strain insulator string insulator All of these pin insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant the operating cost of the steam plant become optimum load factor of the steam plant is increased All of these chances of the tripping of the system decrease the operating cost of the steam plant become optimum load factor of the steam plant is increased All of these chances of the tripping of the system decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? resistance grounding isolated grounding reactance grounding All of these resistance grounding isolated grounding reactance grounding All of these 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. settling time. damping time. coasting time. stopping time. settling time. damping time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
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