Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Commutator. Brush. Yoke. Armature. Commutator. Brush. Yoke. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tappings of a transformer are provided at the neutral side end of hv side at the phase end of hv side at the middle of hv side at the phase end of lv side at the neutral side end of hv side at the phase end of hv side at the middle of hv side at the phase end of lv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by All of these reversing the terminals of starting winding. reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of starting winding. reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto-transformer, power is transferred through both A and B. None of these conduction process only. induction process only. both A and B. None of these conduction process only. induction process only. 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. just behind the magnetic neutral axis. None of these in magnetic neutral axis. just ahead of magnetic neutral axis. just behind the magnetic neutral axis. None of these in magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of the rotor bars of dc motors are laminated to provide better flux linkage. to reduce eddy current loss. to reduce mechanical losses. to reduce hysteresis loss. to provide better flux linkage. to reduce eddy current loss. to reduce mechanical losses. to reduce hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP