A. repulsion induction motor
B. repulsion motor
C. repulsion start induction run motor
D. none of the above
Related Mcqs:
- If the capacitor of a single-phase motor is short-circuited_________?
A. the motor will not start
B. the motor will run
C. the motor will run in reverse direction
D. the motor will run in the same direction at reduced r.p.m - In a single phase motor the centrifugal switch____________?
A. disconnects auxiliary winding of the motor
B. disconnects main winding of the motor
C. reconnects the main winding the motor
D. reconnects the auxiliary winding of the motor - A hysteresis motor works on the principle of__________?
A. hysteresis loss
B. magnetisation of rotor
C. eddy current loss
D. electromagnetic induction - A schrage motor can run on___________?
A. zero slip
B. negative slip
C. positive slip
D. all of the above - The wattage of motor for driving domestic sewing machine will be around__________?
A. 100 to 150 W
B. 40 to 75 W
C. 10 to 30 W
D. 5 to 10 W - The starting winding of a single-phase motor is placed in_________?
A. armature
B. field
C. rotor
D. stator - After the starting winding of a single phase induction motor is disconnected from supply, it continues to run only on ______________?
A. running winding
B. rotor winding
C. field winding
D. compensating winding - The electric motor used in portable drills is__________?
A. capacitor run motor
B. hysteresis motor
C. universal motor
D. repulsion motor - If a single phase induction motor runs slower than normal, the most likely defect is_____________?
A. worn bearings
B. short-circuit in the winding
C. open-circuit in the winding
D. none of the above - Most of the fractional horsepower motors have either___________?
A. hard and annealed bearings
B. ball or roller bearings
C. soft and porous bearings
D. plain or sleeve bearings
