Electrical Machines In DC generators brushes are used for collecting of voltage reduce eddy current loss collecting of current without any sparkings convert ac armature current in to dc collecting of voltage reduce eddy current loss collecting of current without any sparkings convert ac armature current in to dc ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called tertiary winding. common winding. compensating winding. damping winding. tertiary winding. common winding. compensating winding. damping winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principle of operation of a 3 - Φ induction motor is almost similar to that of synchronous motor. capacitor start induction motor. repulsion start induction motor. transformer with secondary short circuited. synchronous motor. capacitor start induction motor. repulsion start induction motor. transformer with secondary short circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as boo. zoom. hum. magnetostriction. boo. zoom. hum. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator, the armature reaction results in demagnetization of leading & magnetization of trailing pole tip. magnetization of leading and demagnetization of trailing pole tip. demagnetization of centers of poles. magnetization of inter poles. demagnetization of leading & magnetization of trailing pole tip. magnetization of leading and demagnetization of trailing pole tip. demagnetization of centers of poles. magnetization of inter poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For same HP rating and full load speed which of following motor has poor starting torque? Shunt. Differently compounded. Cummulative compound. Series. Shunt. Differently compounded. Cummulative compound. Series. ANSWER DOWNLOAD EXAMIANS APP
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