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

Related Mcqs:

In a capacitor start motor, the phase displacement between starting and running winding can be nearly__________?

A. 10° B. 30° C. 60° D. 90°...

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...

A hysteresis motor works on the principle of__________?

A. hysteresis loss B. magnetisation of rotor C. eddy current loss D. electromagnetic induction...

Which type of load is offered by cranes and hoists ?

A. Gradually varying load B. Non-reversing, no-load start C. Reversing, light start D. Reversing, heavy start...

The rotor slots, in an induction motor, are usually not quite parallel to the shaft because it_____________?

A. improves the efficiency B. helps the rotor teeth to remain under the stator teeth C. helps in reducing the tendency of the rotor teeth to remain under the stator teeth D. improves the power factor...