The speed control of universal motor used for sewing machines is by____________?

Related Mcqs:

The rotor developed by a single-phase motor at starting is___________?

A. more than i.he rated torque B. rated torque C. less than the rated torque D. zero...

The running winding of a single phase motor on testing with meggar is found to be ground. Most probable location of the ground will be___________?

A. at the end connections B. at the end terminals C. anywhere on the winding inside a slot D. at the slot edge where coil enters or comes out of the slot...

Which of the following single-phase motors is suitable for timing and control purposes ?

A. Reluctance motor B. Series motor C. Repulsion motor D. Universal motor...

In which single-phase motor, the rotor has no teeth or winding ?

A. Split phase motor B. Reluctance motor C. Hysteresis motor D. Universal motor...

Which of the following motors is used in tape-recorders ____________?

A. Hysteresis motor B. Reluctance motor C. Capacitor-run motor D. Universal motor...