Electrical Machines The compensating winding in a DC machine is located on pole shoes for avoiding the flashover at the commutator. is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located in armature slots for compensation of the armature reaction. is located on pole shoes for avoiding the flashover at the commutator. is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located in armature slots for compensation of the armature reaction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives eddy current loss copper loss both 1and 2 hysteresis loss eddy current loss copper loss both 1and 2 hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce volume of iron. volume of copper. reluctance of core. iron loss. volume of iron. volume of copper. reluctance of core. iron loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions hunting of synchronous motor is likely to occur ? Periodic variation of load. Over-loading for long period. Over-excitation. Small and constant load. Periodic variation of load. Over-loading for long period. Over-excitation. Small and constant load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to 1 / V2. V2. 1 / V. V. 1 / V2. V2. 1 / V. V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of the dc motor is generally of the range 100 ohm. 0.1 ohm. 0.5 ohm. 50 ohm. 100 ohm. 0.1 ohm. 0.5 ohm. 50 ohm. ANSWER DOWNLOAD EXAMIANS APP
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