Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 2 4 and 2 2 and 1 4 ang 1 2 and 2 4 and 2 2 and 1 4 ang 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of aluminium. stainless steel. silicon steel. closed grained cast iron. aluminium. stainless steel. silicon steel. closed grained cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly star connected. delta connected. zig - zag delta connected. zig - zag star connected. star connected. delta connected. zig - zag delta connected. zig - zag star connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is lagging power factor. leading power factor. unity power factor. None of these lagging power factor. leading power factor. unity power factor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of cast iron. cast steel. wrought iron. silicon steel. cast iron. cast steel. wrought iron. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable tan - delta (tanδ) of dielectric dispassion factor of power transformer insulating oil is generally taken as 0.5 at 90°C. 3 at 90°C. 1 at 90°C. 2 at 90°C. 0.5 at 90°C. 3 at 90°C. 1 at 90°C. 2 at 90°C. ANSWER DOWNLOAD EXAMIANS APP
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