A repulsion motor is equipped with__________?

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The power factor of a single-phase induction motor is usually?

A. lagging B. always leading C. unity D. unity to 0.8 leading...

Which of the following motors has highest starting torque ?

A. Repulsion motor B. Shaped pole motor C. Capacitor-start motor D. Split-phase motor...

Speed control of a universal motor is achieved by__________?

A. varying field flux with tapped field windings B. connecting rheostat in series C. applying variable voltage by means of silicon controlled rectifier D. applying variable voltage by means of variable auto-transformer E. all of the above methods...

In repulsion motor, zero torque is developed when___________?

A. brush axis is 45° electrical to field axis B. brush axis coincides with the field axis C. brush axis is 90° electrical to field axis D. both B. and (c)...

A shaded pole motor does not possess___________?

A. centrifugal switch B. capacitor C. commutator D. all of the above...