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Questions and Answers
What is the main function of the yoke in a DC machine?
What is the main function of the yoke in a DC machine?
- Facilitate cooling of the machine
- Generate electrical power
- Control the speed of the machine
- Provide mechanical strength and confine magnetic flux (correct)
What is the purpose of pole shoes in a DC machine?
What is the purpose of pole shoes in a DC machine?
- To reduce magnetic interference
- To concentrate the magnetic flux (correct)
- To increase the speed of the machine
- To regulate the electrical output
Can a DC generator be used as a DC motor without any changes?
Can a DC generator be used as a DC motor without any changes?
- It can only be used as a motor with minor adjustments
- Yes, it can be used as a motor without any constructional changes (correct)
- No, it requires significant constructional changes
- It can be used as a motor, but with reduced efficiency
What are the components of a DC machine's rotating part?
What are the components of a DC machine's rotating part?
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In a DC machine, what is the material typically used for the yoke?
In a DC machine, what is the material typically used for the yoke?
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