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Electrical DC Motor Quiz #2
- 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 speed is …..
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Question 2 of 25
2. Question
The torque developed by DC motor is directly proportional to the …..
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Question 3 of 25
3. Question
In DC motor, armature reaction is increased …..
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Question 4 of 25
4. Question
The speed of a ….. motor is practically constant.
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Question 5 of 25
5. Question
….. is variable speed motor.
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Question 6 of 25
6. Question
Speed control of DC motor method is by varying …..
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Question 7 of 25
7. Question
In the DC motor, the air gap between yoke and armature is kept small …..
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Question 8 of 25
8. Question
In DC motor, the laminated yoke can reduce …..
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Question 9 of 25
9. Question
In DC motor, the function of pole shoes is/are …..
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Question 10 of 25
10. Question
The armature of the DC motor is made of …..
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Question 11 of 25
11. Question
The ventilating dust in most of the DC motor is/are …..
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Question 12 of 25
12. Question
In DC motor, slot wedge made of …..
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Question 13 of 25
13. Question
The commutator of the DC motor serves the purpose of …..
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Question 14 of 25
14. Question
In a lap winding, the number of brushes is always ….. the number of poles.
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Question 15 of 25
15. Question
In DC motor, the dummy coil are useful to …..
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Question 16 of 25
16. Question
The commutator pitch for simple lap winding is …..
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Question 17 of 25
17. Question
The commutator pitch for simple wave winding is equal to …..
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Question 18 of 25
18. Question
The armature MMF waveform of the DC motor is …..
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Question 19 of 25
19. Question
The induced EMF in the armature conductor of the DC motor is …..
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Question 20 of 25
20. Question
In DC motor, the actual flux distribution depends upon …..
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Question 21 of 25
21. Question
The sparking at the brushes, in DC motor, is due to …..
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Question 22 of 25
22. Question
The series field winding of DC motor consists of …..
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Question 23 of 25
23. Question
A DC series motor is best suited for driving the …..
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Question 24 of 25
24. Question
A DC shunt motor is best suited for driving the …..
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Question 25 of 25
25. Question
….. motor is used for a centrifugal pump.