Single Phase Induction Motors MCQ Questions & Answers | Electrical Engineering

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36.
As hysteresis motors are free from mechanical and magnetic vibrations therefore these are considered as suitable for

A. fans

B. blowers

C. sound equipment

D. mixer grinders

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37.
The speed control of universal motor used for sewing machines is by

A. friction

B. varying the resistance

C. tapping the field

D. centrifugal mechanism

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38.
The running winding of a single phase motor on testing with Meggar is found to be ground. Most probable location of the ground will be

A. At the end connections

B. At the end terminals

C. Anywhere on the winding inside a slot

D. At the slot edge where coil enters or comes out of the slot

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39.
Which of the following motor will give relatively high starting torque ?

A. Capacitor start motor

B. Capacitor run motor

C. Split phase motor

D. Shaded pole motor

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40.
The range of efficiency for shaded pole motors is

A. 95% to 99%

B. 80% to 90%

C. 50% to 75%

D. 5% to 35%

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Single Phase Induction Motors MCQ Questions & Answers | Electrical Engineering

36. As hysteresis motors are free from mechanical and magnetic vibrations therefore these are considered as suitable for

Answer & Solution

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

Answer & Solution

38. The running winding of a single phase motor on testing with Meggar is found to be ground. Most probable location of the ground will be

Answer & Solution

39. Which of the following motor will give relatively high starting torque ?

Answer & Solution

40. The range of efficiency for shaded pole motors is

Answer & Solution

Read More Section(Single Phase Induction Motors)

36.
As hysteresis motors are free from mechanical and magnetic vibrations therefore these are considered as suitable for

37.
The speed control of universal motor used for sewing machines is by

38.
The running winding of a single phase motor on testing with Meggar is found to be ground. Most probable location of the ground will be

39.
Which of the following motor will give relatively high starting torque ?

40.
The range of efficiency for shaded pole motors is