Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 2.73 KW. 0.9103 KW. 5.46 KW. 1.644 KW. 2.73 KW. 0.9103 KW. 5.46 KW. 1.644 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? closed winding open type winding lap winding wave winding closed winding open type winding lap winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determent by Flemings left hand rule. Flemings right hand rule. Lenzs law. Amperes law. Flemings left hand rule. Flemings right hand rule. Lenzs law. Amperes law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by commutator field winding armature winding starters commutator field winding armature winding starters ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC motor operating at rated speed, the speed of the motor will Remain unaltered. Oscillate around the normal speed. Reduce. Increase. Remain unaltered. Oscillate around the normal speed. Reduce. Increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly zig - zag star connected. delta connected. zig - zag delta connected. star connected. zig - zag star connected. delta connected. zig - zag delta connected. star connected. ANSWER DOWNLOAD EXAMIANS APP
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