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Electrical DC Motor Quiz #1
- 25 Questions (Selected Randomly)
- 25 Marks (1 Mark/Question)
- 25 Minutes of Time
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- Answered
- Review
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Question 1 of 25
1. Question
The DC motor is used to …..
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Question 2 of 25
2. Question
Why DC motor is used in industrial applications?
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Question 3 of 25
3. Question
In DC motor, back EMF …..
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Question 4 of 25
4. Question
In DC motor, back EMF value is maximum at …..
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Question 5 of 25
5. Question
The equation of the motor is given by …..
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Question 6 of 25
6. Question
In DC motor, the starter is used for …..
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Question 7 of 25
7. Question
In DC motor, the armature is laminated to reduce …..
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Question 8 of 25
8. Question
The rotating part of DC motor is called as …..
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Question 9 of 25
9. Question
If the flux of DC motor attains zero, its speed will become …..
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Question 10 of 25
10. Question
The direction of rotation of DC series motor can be reversed by interchanging ….. terminals.
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Question 11 of 25
11. Question
The current flowing through the armature of the DC motor is …..
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Question 12 of 25
12. Question
Which type of part is given in DC motor, not in an AC motor?
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Question 13 of 25
13. Question
In DC motor, ….. can sustain the maximum temperature rise.
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Question 14 of 25
14. Question
The direction of rotation of the DC motor is determined by …..
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Question 15 of 25
15. Question
…… power is mentioned on a nameplate of DC motor.
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Question 16 of 25
16. Question
If the supply voltage is increased, ….. will increase.
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Question 17 of 25
17. Question
The armature voltage control of the DC motor will provide …..
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Question 18 of 25
18. Question
Torque developed by a DC motor depends upon …..
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Question 19 of 25
19. Question
….. function is performed by the counter EMF of a DC motor.
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Question 20 of 25
20. Question
If the back EMF of DC motor vanishes suddenly, …..
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Question 21 of 25
21. Question
If DC motor is used without a starter, …..
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Question 22 of 25
22. Question
DC ….. motor is generally preferred for cranes and hoists.
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Question 23 of 25
23. Question
The starter is used with DC motor because, …..
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Question 24 of 25
24. Question
….. motor is variable speed motor.
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Question 25 of 25
25. Question
When the speed of DC motor increases, armature current will …..