The range of efficiency for shaded pole motors is______________?

Related Mcqs:

1. In a shaded pole motor, the shading coil usually consist of___________?

   A. a single turn of heavy wire which is in parallel with running winding B. a single turn of heavy copper wire which is short-circuited and carries only induced current C. a multilayer fine gauge copper wire in parallel with running winding D. none of the above...

2. In a shaded pole single-phase motor, the revolving field is produced by the use of_________?

   A. inductor B. capacitor C. resistor D. shading coils...

3. A shaded pole motor can be used for_____________?

   A. toys B. hair dryers C. circulators D. any of the above...

4. In case of a shaded pole motor the direction of rotation of the motor is__________?

   A. from main pole to shaded pole B. from shaded pole to main pole C. either of the above depending on voltage D. either of the above depending on power factor...

5. Locked rotor current of a shaded pole motor is____________?

   A. equal to full load current B. less than full load current C. slightly more than full load current D. several times the full load current...

6. The shaded pole motor is used for__________?

   A. high starting torque B. low starting torque C. medium starting torque D. very high starting torque...

7. A shaded pole motor does not possess___________?

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

8. Which of the following motors is used in mixies ?

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

9. 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...

10. Which of the following motors can be run on AC. as well as D.C. supply ?

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