Single Phase Motors The speed control of universal motor used for sewing machines is by Varying the resistance Tapping the field Friction Centrifugal mechanism Varying the resistance Tapping the field Friction Centrifugal mechanism ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a shaded pole motor, the direction of rotation is from Main poles to shaded pole None of the listed here Depends on supply line polarity Shaded pole to main pole Main poles to shaded pole None of the listed here Depends on supply line polarity Shaded pole to main pole ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole retentivity of the rotor material interchanging the supply leads none of these position of shaded pole with respect to main pole retentivity of the rotor material interchanging the supply leads none of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Torque developed by a single phase induction motor at starting is Nil Pulsating Uniform None of the listed here Nil Pulsating Uniform None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors At starting, the line current of a capacitor start induction motor is ______ the normal full load current. 8 to 10 times 4 to 5 times Equal to 7 to 8 times 8 to 10 times 4 to 5 times Equal to 7 to 8 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is open armature winding shorted field winding? high commutator mica all of these open armature winding shorted field winding? high commutator mica all of these ANSWER DOWNLOAD EXAMIANS APP
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