A. damage to the starting winding
B. damage to the centrifugal switch
C. overloading of running winding
D. none of the above
A. shunt motor
B. series motor
C. compound motor
D. separately excited motor
A. thin wire placed at the top of the slots
B. thin wire placed at the bottom of the slots
C. thick wire placed at the bottom of the slots
D. thick wire placed at the top of the” slots
A. brush axis is at 45° electrical to the field axis
B. brush axis coincides with the field axis
C. brush axis is at 90° electrical to the field axis
D. none of the above
A. aluminium
B. cast iron
C. chrome steel
D. copper
A. Vacuum cleaners
B. Fan motors
C. Pistol drills
D. All of the above
A. pulsating
B. uniform
C. none of the above
D. nil
A. friction
B. varying the resistance
C. tapg the field
D. centrifugal mechanism
A. capacitor run motor
B. hysteresis motor
C. universal motor
D. repulsion motor
A. retentivity
B. resistivity
C. susceptibility
D. none of the above