Electrical Machines In a 3 - Φ IM in order to eliminate cogging the number of stator slots must be equal to number of rotor slots. unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. either (B) or (C). equal to number of rotor slots. unequal to number of rotor slots and skewed in shape. an integral multiple of number of rotor slots. either (B) or (C). ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature of a DC motor is laminated to reduce copper loss. friction and windage loss. eddy current loss. hysteresis loss. copper loss. friction and windage loss. eddy current loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the air gap of IM is increased, ____________ will increase. air gap flux. speed. magnetizing current. power factor. air gap flux. speed. magnetizing current. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to 1/Ia Ia2 Ia I/Ia2 1/Ia Ia2 Ia I/Ia2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Stepper motor is used in computer printers food processing All of these traction computer printers food processing All of these traction ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine yoke offers both A and B flux path completion mechanical protection to the machine produce working flux both A and B flux path completion mechanical protection to the machine produce working flux ANSWER DOWNLOAD EXAMIANS APP
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