Electrical Machines In normal dc machines operating at full-load conditions, the most powerful electromagnet is interpole winding interpole and compensating windings together field winding armature winding interpole winding interpole and compensating windings together field winding armature winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by wooden insulation. cotton insulation. rubber insulation. paper insulation. wooden insulation. cotton insulation. rubber insulation. paper insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by all dark lamp method. all bright lamp method. all of these. one dark two bright. all dark lamp method. all bright lamp method. all of these. one dark two bright. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? both A and B (1-K) × input power K × input power None of these both A and B (1-K) × input power K × input power None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direction of rotation of DC motor is reversed by Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. Adding resistance to field circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer has specifications as 250 KVA, 11000 V/415 V, 50 Hz. What are the values of primary and secondary currents? primary = 301 A, secondary = 22.7 A primary = 11.4 A, secondary = 301 A primary = 22.7 A, secondary = 602.4 A primary = 602 A, secondary = 22.7 A primary = 301 A, secondary = 22.7 A primary = 11.4 A, secondary = 301 A primary = 22.7 A, secondary = 602.4 A primary = 602 A, secondary = 22.7 A ANSWER DOWNLOAD EXAMIANS APP
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