Electrical Machines Direction of rotation of DC motor is reversed by Reversing supply connection. Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. Reversing supply connection. Adding resistance to field circuit. Reversing armature connection or field connection. Interchanging armature and field connection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which DC motor will have least percentage increase of input current, for the same percentage increase in the torque Separately Excited DC Motor DC Series Motor Compound Wound DC Motor DC Shunt Motor Separately Excited DC Motor DC Series Motor Compound Wound DC Motor DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines CRGO steel is used in the core of transformer to reduce both eddy current and hysteresis loss. ohmic loss. eddy current loss. hysteresis loss. both eddy current and hysteresis loss. ohmic loss. eddy current loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then it will run in same direction by slowly. motor will not run. it will run in opposite direction. it will run in same direction. it will run in same direction by slowly. motor will not run. it will run in opposite direction. it will run in same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of any electrical motor is taken from the Coupling mounted on the shaft. Motor frame. Field. Armature. Coupling mounted on the shaft. Motor frame. Field. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if the field flux axis is ahead of the armature field axis in the direction of rotation, the machine operating is asynchronous generator. synchronous generator. synchronous motor. asynchronous motor. asynchronous generator. synchronous generator. synchronous motor. asynchronous motor. ANSWER DOWNLOAD EXAMIANS APP
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