In case of high speed universal motor which of the following needs more attention?

Related Mcqs:

The direction of rotation of an hysteresis motor is determined by____________?

A. interchanging the supply leads B. position of shaded pole with respect to main pole C. retentivity of the rotor material D. none of these...

Which of the following motors is preferred for tape-recorders ?

A. Shaded pole motor B. Hysteresis motor C. Two value capacitor motor D. Universal motor...

The repulsion-start induction-run motor is used because of___________?

A. good power factor B. high efficiency C. minimum cost D. high starting torque...

The speed of a universal motor is usually reduced by using____________?

A. gearing B. belts C. brakes D. chains...

Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because_____________?

A. it is comparatively cheaper B. it has almost non-destructible capacitor C. it has low starting as well as running currents at relatively high power factor D. it is quiet in operation...