Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by wooden insulation. paper insulation. rubber insulation. cotton insulation. wooden insulation. paper insulation. rubber insulation. cotton insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the flux of DC motor approaches zero, its speed will approach zero. aprroach infinity. between zero and infinity. remain unchanged. approach zero. aprroach infinity. between zero and infinity. remain unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 0° 70° to 85° 25° to 30° 90° 0° 70° to 85° 25° to 30° 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An IM cannot run at synchronous speed because none of above. air friction will prevent it. rotor torque will not be produced. induction motor will become synchronous motor. none of above. air friction will prevent it. rotor torque will not be produced. induction motor will become synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature voltage control is considered suitable for a DC motor driven at constant speed. current. power. torque. speed. current. power. torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field in reverse. to an AC source. to a DC source. to earth. in reverse. to an AC source. to a DC source. to earth. ANSWER DOWNLOAD EXAMIANS APP
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