Electrical Machines In Ward-Leonard system, the lower limit of the speed imposed by Field resistance. Residual magnetism of the generator. None of above. Armature resistance. Field resistance. Residual magnetism of the generator. None of above. Armature resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Shaded pole IM. Synchronous motors. Cage induction motor. Split phase IM. Shaded pole IM. Synchronous motors. Cage induction motor. Split phase IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as magnetostriction. boo. hum. zoom. magnetostriction. boo. hum. zoom. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 8 1 2 4 8 1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 270. 30. 180. 45. 270. 30. 180. 45. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. rheostatic control. any of above method. none of above. Ward Leonard control. rheostatic control. any of above method. none of above. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP