Electrical Machines The armature of DC machine is made of silicon steel lamination to increase the permeability. reduce eddy current loss only. reduce both eddy current and hysteresis loss. reduce hysteresis loss only. increase the permeability. reduce eddy current loss only. reduce both eddy current and hysteresis loss. reduce hysteresis loss only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of transformer core is made of cast iron. silicon steel. cast steel. wrought iron. cast iron. silicon steel. cast steel. wrought iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate reactance voltage produced due to communication. the use equalizer in lap winding. the use drum winding. the use of compensating winding. reactance voltage produced due to communication. the use equalizer in lap winding. the use drum winding. the use of compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for development of torque. electromechanical energy conversion. generation of voltage. commutation. development of torque. electromechanical energy conversion. generation of voltage. commutation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then the machine with more drooping characteristic will supply more load. the machine will share load equally. the machine with more drooping characteristic will supply less load. None of these the machine with more drooping characteristic will supply more load. the machine will share load equally. the machine with more drooping characteristic will supply less load. None of these ANSWER DOWNLOAD EXAMIANS APP