ELECTRICIAN 2nd YEAR MODULE – AC Single Phase Motor ONLINE TEST

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Question 1 of 41

1. 3. What is the working principle of split phase motor?

Question 1 of 41

Question 2 of 41

2. 19. What is the angular displacement between starting and running winding of a single phase induction motor?

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Question 3 of 41

3. 32. Which type of single-phase motor has very high starting torque?

Question 3 of 41

Question 4 of 41

4. 29. What is the application of a shaded pole motor?

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Question 5 of 41

5. 12. Which is the application of universal motor?

Question 5 of 41

Question 6 of 41

6. 15. What is the function of the part marked as 'x' in shaded pole motor?

Question 6 of 41

Question 7 of 41

7. 16. How the direction of rotation of a capacitor start induction run motor is reversed?

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Question 8 of 41

8. 14. What is the relation between running winding and starting winding of a single phase induction motor with respect to resistance?

Question 8 of 41

Question 9 of 41

9. 37. What is the effect if the centrifugal switch is not disconnected after the motor starts?

Question 9 of 41

Question 10 of 41

10. 39. Why a capacitor is connected across centrifugal switch in the centrifugal switch speed control method?

Question 10 of 41

Question 11 of 41

11. 36. What is the effect in a repulsion motor, if the magnetic axis shifted to another side?

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Question 12 of 41

12. 9. Which type of winding wire is used for rewinding submersible pumps?

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Question 13 of 41

13. 1. What is the working principle of single phase induction motor?

Question 13 of 41

Question 14 of 41

14. 8. What is the purpose of the capacitor (C) in centrifugal switch speed control method of universal motor?

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Question 15 of 41

15. 11. What is the function of centrifugal switch in single phase motors?

Question 15 of 41

Question 16 of 41

16. 21. Which motor is preferred for domestic water pumps?

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Question 17 of 41

17. 20. Why the hysteresis motor is suitable for sound recording instruments?

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Question 18 of 41

18. 38. How the direction of rotation of repulsion motors is to be reversed?

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Question 19 of 41

19. 10. Which type of AC single phase motor having low starting torque?

Question 19 of 41

Question 20 of 41

20. 26. Which motor is having half-coil winding?

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Question 21 of 41

21. 23. What is the function of a centrifugal switch in a split-phase motor?

Question 21 of 41

Question 22 of 41

22. 17. Which single phase motor tapped field speed control method is employed?

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Question 23 of 41

23. 30. Which type of single-phase motor is used for hard disk drives?

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Question 24 of 41

24. 22. Which type of motor has relatively small starting torque?

Question 24 of 41

Question 25 of 41

25. 5. Which type of A.C single phase motor is classified under commutator motor type?

Question 25 of 41

Question 26 of 41

26. 4. Which type of single phase motor is illustrated?

Question 26 of 41

Question 27 of 41

27. 2. What is the name of single phase motor?

Question 27 of 41

Question 28 of 41

28. 34. Which motor is used in a table fan?

Question 28 of 41

Question 29 of 41

29. Here's the Aiken format for questions 35-41 with explanations:

Question 29 of 41

Question 30 of 41

30. 18. Which type of single phase induction motor is used in food mixer?

Question 30 of 41

Question 31 of 41

31. 28. Calculate the slot distance for a ceiling fan with 28 slots, 14 poles, and 14 coils in half-coil connection?

Question 31 of 41

Question 32 of 41

32. 33. Where is the capacitor connected in a single-phase permanent capacitor motor?

Question 32 of 41

Question 33 of 41

33. 25. What is the reason to use a permanent capacitor in a fan motor circuit?

Question 33 of 41

Question 34 of 41

34. 27. Why is the running winding placed at the bottom of the core?

Question 34 of 41

Question 35 of 41

35. 24. How to produce starting torque in a shaded pole fan motor?

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Question 36 of 41

36. 41. How the radio interference can be suppressed in centrifugal switch method of speed control of universal motor?

Question 36 of 41

Question 37 of 41

37. 31. What is the function of a centrifugal switch in a capacitor start, capacitor run induction motor?

Question 37 of 41

Question 38 of 41

38. 6. Which method is adopted to start the single phase induction motor?

Question 38 of 41

Question 39 of 41

39. 40. What is the effect, if some slots in a split phase motor left out without winding after completion of concentric winding?

Question 39 of 41

Question 40 of 41

40. 13. Which single phase motor is fitted with wound rotor?

Question 40 of 41

Question 41 of 41

41. 7. What is the type of A.C single phase motor?

Question 41 of 41


 

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