Single Phase Motors A vaccum cleaner employs _______motor. Single phase series motor Resistance split phase Capacitor start Shaded pole motor Single phase series motor Resistance split phase Capacitor start Shaded pole motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is high commutator mica shorted field winding? all of these open armature winding high commutator mica shorted field winding? all of these open armature winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors At starting, the line current of a capacitor start induction motor is ______ the normal full load current. 7 to 8 times 4 to 5 times Equal to 8 to 10 times 7 to 8 times 4 to 5 times Equal to 8 to 10 times ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors has highest starting torque ? Repulsion motor Capacitor-start motor Shaped pole motor Split-phase motor Repulsion motor Capacitor-start motor Shaped pole motor Split-phase motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor. Shaded pole Hysteresis motor Single phase series motor Capacitor run motor Shaded pole Hysteresis motor Single phase series motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 30 to 40 100 80 to 90 70 to 80 30 to 40 100 80 to 90 70 to 80 ANSWER DOWNLOAD EXAMIANS APP
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