Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. get damaged. run in a direction opposite to previous one. continue running in the same direction as before. not run. get damaged. run in a direction opposite to previous one. continue running in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on either of these. stationary magnetic field. None of these rotating magnetic field. either of these. stationary magnetic field. None of these rotating magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces both 1 and 2. eddy current torque. no torque. damping torqe. both 1 and 2. eddy current torque. no torque. damping torqe. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. wound. none of these. linear. cage. wound. none of these. linear. cage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on stray losses. copper losses. core losses. dielectric losses. stray losses. copper losses. core losses. dielectric losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly cast iron. copper. carbon. mica. cast iron. copper. carbon. mica. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS