Single Phase Motors If a DC series motor is operated on AC supply, it will All of the listed here Have poor power factor Spark excessively Have poor efficiency All of the listed here Have poor power factor Spark excessively Have poor efficiency ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The capacitor start, capacitor run motor is used in thode applications where _____ Silence is important None of the listed here Noisy operation is not important High starting torque is required Silence is important None of the listed here Noisy operation is not important High starting torque is required ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The speed control of universal motor used for sewing machines is by Centrifugal mechanism Tapping the field Friction Varying the resistance Centrifugal mechanism Tapping the field Friction Varying the resistance ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The motor used on small lathes is usually Single phase capacitor run motor 3-phase synchronous motor Dc shunt motor Universal motor Single phase capacitor run motor 3-phase synchronous motor Dc shunt motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is open armature winding all of these shorted field winding? high commutator mica open armature winding all of these shorted field winding? high commutator mica ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In repulsion motor, maximum torque is developed when None of these brush axis is at 45° electrical to the field axis brush axis coincides with the field axis brush axis is at 90° electrical to the field axis None of these brush axis is at 45° electrical to the field axis brush axis coincides with the field axis brush axis is at 90° electrical to the field axis ANSWER DOWNLOAD EXAMIANS APP