Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 45 kV 32 kV 36 kV 40 kV 45 kV 32 kV 36 kV 40 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is less than 1. may be any of the above. greater than 1. 1. less than 1. may be any of the above. greater than 1. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.02 0.05 0.25 0.025 0.02 0.05 0.25 0.025 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. binary vapor cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. regenerative cycle. binary vapor cycle. the Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? isolated grounding resistance grounding All of these reactance grounding isolated grounding resistance grounding All of these reactance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 45° 90° 42° 36° 45° 90° 42° ANSWER DOWNLOAD EXAMIANS APP
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