Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the weight of the stator. both of the above. eddy current loss. hysteresis loss. weight of the stator. both of the above. eddy current loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as boo. zoom. magnetostriction. hum. boo. zoom. magnetostriction. hum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of less than 90° 90° 0° Greater than 90° less than 90° 90° 0° Greater than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to both 1 and 2. suppress the hunting. increase the load current. decrease the load current. both 1 and 2. suppress the hunting. increase the load current. decrease the load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means increasing flux density by providing extra ampere-turns in field. creation of residual magnetism by a DC source. None of these neutralization of residual magnetism. increasing flux density by providing extra ampere-turns in field. creation of residual magnetism by a DC source. None of these neutralization of residual magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors provided with open slots have higher efficiency. leading power factor. more breakdown torque. less breakdown torque. higher efficiency. leading power factor. more breakdown torque. less breakdown torque. ANSWER DOWNLOAD EXAMIANS APP