Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as None of these. A resistor. an inductor. A capacitor. None of these. A resistor. an inductor. A capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To achieve spark less commutation brushes of DC generator are rocked ahead so as to bring them just ahead of magnetic neutral axis. in magnetic neutral axis. just behind the magnetic neutral axis. None of these just ahead of magnetic neutral axis. in magnetic neutral axis. just behind the magnetic neutral axis. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 1.1. 0.905. 20. 0.05. 1.1. 0.905. 20. 0.05. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Satisfactory commutation of DC machine requires All of these smooth, concentric commutator properly undercut. brushes should smoothly run in the holders. brushes should be of proper grade and size. All of these smooth, concentric commutator properly undercut. brushes should smoothly run in the holders. brushes should be of proper grade and size. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 4.76%. 2.56 %. 3.76%. 2.57 %. 4.76%. 2.56 %. 3.76%. 2.57 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 15 HP. 10 HP. 13 HP. 14 HP. 15 HP. 10 HP. 13 HP. 14 HP. ANSWER DOWNLOAD EXAMIANS APP
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