Electrical Machines In DC machines, the interpoles are provided to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to make commutation spark less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under leading pole tip. under the interpole. pole core. under trailing pole tip. under leading pole tip. under the interpole. pole core. under trailing pole tip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly delta connected. star connected. zig - zag delta connected. zig - zag star connected. delta connected. star connected. zig - zag delta connected. zig - zag star connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Draw more current without producing sufficient torque. Run at dangerously high speed. Fail to start without load. Not develop starting torque. Draw more current without producing sufficient torque. Run at dangerously high speed. Fail to start without load. Not develop starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 4 ang 1 2 and 1 2 and 2 4 and 2 4 ang 1 2 and 1 2 and 2 4 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Belt conveyors offer _______________ starting torque. high. medium. zero. low. high. medium. zero. low. ANSWER DOWNLOAD EXAMIANS APP
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