Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as V² V f² f V² V f² f 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 motor. synchronous generator. asynchronous generator. synchronous motor. asynchronous motor. synchronous generator. asynchronous generator. synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve power level. Improve voltage level. Improve power factor. Improve current level. Improve power level. Improve voltage level. Improve power factor. Improve current level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? 4 point starter 2 point starter 3 point starter All of these 4 point starter 2 point starter 3 point starter All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Ampere's law. Fleming's left hand rule. Fleming's right hand rule. Lenz's law. Ampere's law. Fleming's left hand rule. Fleming's right hand rule. Lenz's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? None of these 3-phase induction motor both 1 and 2 1-phase induction motor None of these 3-phase induction motor both 1 and 2 1-phase induction motor ANSWER DOWNLOAD EXAMIANS APP