SINGLE PHASE MOTOR-3

A detailed illustration of various single phase motors, including a universal motor, capacitor motor, and shaded pole motor in an educational setting, with labels and descriptions for each type.

Single Phase Motor Quiz

Test your knowledge about single phase motors with our engaging quiz! This quiz covers important aspects of motor specifications, functionalities, and applications. Enhance your understanding of electrical motors while challenging yourself.

Multiple choice format
Focus on single phase motor characteristics
Ideal for students and electrical enthusiasts

10 Questions2 MinutesCreated by TestingGear712

21. The wattage rating for a ceiling fan motor will be in the range ___________

200 to 250 W

250 to 500 W

50 to 150 W

10 to 20 W

22. The wattage of motor for driving domestic sewing machine will be around _________

100 to 150 W

40 to 75 W

10 to 30 W

5 to 10 W

23. Which of the following single-phase motors has relatively poor starting torque?

Universal motor

Repulsion motor

Capacitor motor

All single phase motors have zero starting torque

24. When a D.C. Series motor is connected to A.C. supply, the power factor will be low because of ____________

High inductance of field and armature circuits

Induced current in rotor due to variations of flux

Fine copper wire winding

None of the above

25. The direction of rotation of universal motor can be reversed the by reversing the flow of current through ___________

Armature winding only

Field winding only

Either armature winding or field winding

None of the above

26. The electric motor used in portable drills is ______________

Capacitor run motor

Hysteresis motor

Universal motor

Repulsion motor

27. The speed control of universal motor used for sewing machines is by __________

Friction

Varying resistance

Tapping the field

Centrifugal mechanism

28. In split phase motor main winding is of ___________

Thin wire placed at the top of the slots

Thin wire placed at the bottom of the slots

Thick wire placed at the bottom of the slots

Thick wire placed at the top of the slots

29. If the centrifugal switch does not open at 70 to 80 percent of synchronous speed of motor, it would result in __________

Damage to the starting winding

Damage to the centrifugal switch

Overloading of running winding

None of the above

30. The shaded pole motor is used for ____________

High starting torque

Low starting torque

Medium starting torque

Very high starting torque

SINGLE PHASE MOTOR-3

Single Phase Motor Quiz

More Quizzes