Electrical Machines The current drawn by a DC motor at the time of starting is Very high. Very low. Zero. Normal. Very high. Very low. Zero. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? Same as full load. Equal to 1. High. Low. Same as full load. Equal to 1. High. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand any unbalanced magnetic pull on the armature core. All of these twisting strains due to transmission of torque. bending moment due to weight of the armature. any unbalanced magnetic pull on the armature core. All of these twisting strains due to transmission of torque. bending moment due to weight of the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The breakdown torque of a synchronous motor varies as applied voltage V 1/V V² 1/V² applied voltage V 1/V V² 1/V² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at heavy loads only low at rated load only both A and B low at light loads only low at heavy loads only low at rated load only both A and B low at light loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high voltage and low current applications. where constant speed is required. high current and low voltage applications. where greater load is connected. high voltage and low current applications. where constant speed is required. high current and low voltage applications. where greater load is connected. ANSWER DOWNLOAD EXAMIANS APP